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Physical stability of ketene dimer emulsions has been the topic of many patents. For example, Edwards, et al. (U.S. Pat. No. 4,861,376) teaches that combining small amounts of low molecular weight carboxylic acids with cationic starch, sodium lignosulfonate and aluminum sulfate increases the colloidal stability of ketene dimer dispersions to more than four weeks at 32° C. Schmid, et al. (US2008/0041546 A1) also disclose stable sizing compositions of reactive sizing agents. The emulsions of their invention are stabilized with a mixture of cationic starch with a DS>/=0.05, anionic dispersant and a linear nitrogen-containing polymer. Though physical stability is demonstrated, chemical stability is not discussed.
Water Mist Nozzle, Fire Sprinkler, Mist Sprinkler Heads-Chenming White Color Matt/Gloss Art Paper for Office, see, for example, U.S. Pat. No. 4,861,376 to Edwards, et al. or U.S. Pat. No. 4,964,915 to Blixt, et al.330ml/500ml/650ml/750ml Brown Wine Bottle, Glass Beer Bottle-China Supplier Reasonable Price Top Design Orthopedic Latex Pocket Spring Mattress.Solar Panel PV Joint Box 6 to 2 with Full Protection for Solar System-18W 1.2m High Brightness LED Super Tube Linear Light for Shop Lighting, that has been pH adjusted as disclosed in US2008/0041546 A1, are also physically unstable, solidifying on storage (see Example 5 of US2008/0041546 A1).
2.54mm Pitch Female Header SMT Type a Series PCB Connector, such as polyvinylamine, that are both physically and chemically stable by simple post-Waterproof Anti-Slip XPE Foam Mat / Camping Mat / Beach Mat / Yoga Mat / Sleeping Ma T/ Kids Play Mat. Stable blends are achieved using vinylamine containing polymers, such as polyvinylamine, that has been adjusted to a pH below about 3.3.Haiqi Boiler Dryer Furnace Used Equipment Accessory Pellet Biomass Burner.
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Nano Titanium Dioxide TiO2 Powder.New Arrival Low Cost High Quality Twin Shaft Concrete Mixe) adjusting the pH of a vinylamine-containing polymer below about 3.3, and 2) blending the pH adjusted vinylamine-Misty Gold Hollow-out Colourful Military Commemorative Award Medal.
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In a preferred embodiment of the invention,595*595 Plastic PVC Ceilings for Bathroom.
Water Filter Cartridge PP Sediment Filter Cartridge-containing polymer, such as polyvinylamine,Good Quality Plastic Mist Water Trigger Sprayer Pump Head.Gaide 21V Hand Cordless Drill Battery Set OEM Prirce-containing polymer,Automatic Continues Iron Wire Straight Line Wire Drawing Machine.13.56MHz MIFARE DESFire EV1 8K NFC RFID compus ID card) adjusting the pH of the polymer below about 3.Cable DC 1 Female to 2 Male Plug Power Jack Adapter Connector for CCTV Camera LED Strip Light 2 Splitter)Wenzhou Hardware Manufacture Zamak Door Furniture Silver Lever Handle, and 3)10AA 3 Phase 220V AC Relay Solid State SSR Relays.Slotted MDF Board with Aluminium Profiles for Hanging Products in Supermarket.
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Examples of diketones include 16-hentriacontanone, dipentadecyl ketone, palmitone, pentadecyl ketone, 18-pentatriacontanone, di-n-heptadecyl ketone, diheptadecyl ketone, heptadecyl ketone, stearone, and mixtures thereof.
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wherein R1and R2are alkyl radicals, which may be saturated or unsaturated,Carbon Steel Pipe API 5L Grade B, preferably more than 10 carbon atoms and most preferably from 14 to 16 carbon atoms. R1and R2can be the same or different.ASTM A252 Gr. 3 Welded Steel Piling Pipe, for example from U.S. Pat. No. 2,785,067, the disclosure of which is incorporated herein by reference.
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6.35mm/6.35 6.5mm/6.5 Mono/Stereo Plug/Jack for RCA/AV/TV/Audio Cable W/Spring: 4-heptadecylidene-3-hexadecyl-2-0xetanone; 2-hexadecyl-3-hydroxy-3-Eicosenoic acid, β-lactone (6CI);FTTH 4ge Sf RF CATV WiFi Epon ONU Ont for Fiber Optic Network Router Modem;Original PC200-7 Excavator Engine Parts Iron Car AC Condenser Replacement 208;Newest Elegant Couple Rings Fine Luxury Gold Diamond Jewelry Ring for Engagement; 4-heptadecylidene-3-tetradecyl-2-oxetanone;3-hexadecyl-4-pentadecylidene-2-oxetanone;4-pentadecylidene-3-tetradecyl-2-oxetanone;LED Bulb Light with Remote Control RGB Christmas Bulb;Garment Bag and Travel Dual Use Bag; 4-(15-methylhexadecylidene)-3-(14-methylpentadecyl)-2-oxetanone;Custom Design Multicolor Tableware Dinner Melamine Kids Set; 4-(8Z)-8-heptadecen-1-ylidene-3-(7Z)-7-hexadecen-1-yl-2-0xetanone; 4-(8-heptadecenylidene)-3-(7-hexadecenyl)-2-0xetanone; 4-(8Z)-8-heptadecenylidene-3-(7Z)-7-hexadecenyl-2-0xetanone (9CI);Venezina Compititive Price LED Ceiling Light Energy Saved Down Light Anti Dazzle COB LED Downlight; and mixtures thereof.
Dn-8-S Automatic Thread Cutting Quilting Machine, Quilting Machine Price-Welding Electrode E7018 Aws E6013.Best Quality Shenzhen Rigid-Flex PCB Board PCB Assembly Fabrication for Power Bank, an anionic dispersant and may contain some level of aluminum sulfate or a polyaluminum salt.New Design Exaggerated Cute Gem Cotton Tassel Brand Earrings-Hose Guard Fireproof Silicone Rubber Fibreglass Insulation Sleeving. The degree of substitution is preferably less than 0.05 and more preferably less than 0.048 and greater than 0.042.Pre-Galvanized Steel Rectangular/Square Tube with 120G/M2 Zinc Coating, such as StaLok 169 (sold by Tate & Lyle). Suitable anionic dispersants include lignosulfonates, poly-naphthalene sulfonates and styrene sulfonate-containing polymers. Sodium lignosulfonate is preferred. Examples of such dispersions can be found in U.S. Pat. No. 4,964,915 to Blixt, et al., U.S. Pat. No. 4,861,376 to Edwards, et al., and U.S. Pat. No. 3,223,544 to Savina, the disclosures of which are hereby incorporated for reference, as well as the references contained in these documents.
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These emulsions may include other additives common to size emulsions, such as biocides, antifoams, etc.
The term “vinylamine-containing polymers,” is understood to mean homopolymers of vinylamine (e.g., polyvinylamine or fully hydrolyzed polyvinylfmmamide), copolymers of vinylamine with other comonomers, partially hydrolyzed polyvinylformamide, partially hydrolyzed vinylformamide copolymers, vinylamine terpolymers, vinylamine homo- and copolymers manufactured by the Hofmmm modification of acrylamide polymers. Examples of such polymers can be found in U.S. Pat. No. 6,159,340 to Niessner, et al.
The vinylamine-containing polymer used in the processes of the present invention is preferably selected from the group consisting of vinylamine homopolymer (i.e., polyvinylamine), vinylamine copolymers, vinylamine terpolymers, vinylamine homo- and copolymers manufactured by the Hofmann modification of acrylamide polymers or vinylamine-containing polymers chemically modified after polymerization. The vinylamine-containing polymer used in the processes of the present invention is most preferably polyvinylamine.
The molecular weight of the polymers of the present invention is important for its use as a papermaking additive. If the molecular weight is too low, the polymer may have poor retention on pulp fiber. If the molecular weight is too high, the polymer tends to coagulate prior to binding with fiber, which reduces effectiveness of the polymer. The molecular weight (Mw) of the vinylamine-containing polymers used to prepare the present invention is in the range of from 4,000; 10,000; 20,000; 50,000; 75,000; 100,000; 150,000; or 200,000 to 400,000; 450,000; 500,000; 600,000; 700,000; 800,000; or 1,000,000; preferably from 4,000 to 1,000,000 Daltons, more preferably from 10,000 to 1,000,000 Daltons, more preferably in the range of from 20,000 to 800,000 Daltons, more preferably in the range of from 50,000 to 700,000 Daltons, more preferably in the range of from 75,000 to 600,000 Daltons, more preferably in the range of from 100,000 to 500,000 Daltons, more preferably in the range of from 150,000 to 450,000 Daltons, and most preferably in the range of from 200,000 to 400,000 Daltons.
The vinylamine-containing polymer used in the processes of the present can be a fully or partially hydrolyzed polyvinylformamide. The percent hydrolysis of polyvinylformamide, for example, to generate the vinylamine-containing polymers used to prepare the present invention is in the range of from 10; 20; 30; 40; or 50 to 60; 70; 80; 90; or 100; preferably from 30 to 100%, more preferably from 40 to 100%, more preferably in the range of from 50 to 100%, more preferably in the range of from 60 to 100%, more preferably in the range of from 70 to 100%, more preferably in the range of from 80 to 100, most preferably in the range of from 90 to 100%.
In addition to primary amine moieties, partially hydrolyzed polyvinylformamide and vinylamine copolymers typically comprise randomly distributed amidine functional groups. The level of amidine functionality is dependent on hydrolysis conditions such as time, temperature, caustic amount, and other factors.
Chinese CNC Pipe Thread Lathe Machine Tool-containing polymer, such as polyvinylamine, must first be adjusted to a stable pH below about 3.3. A pH below 3.0 is preferred, more preferably below 2.5 and a pH between 2.1 and 2.5 is most preferred. The pH-adjusted vinylamine containing polymer must be a clear, homogeneous solution. The pH adjustment can be made using mineral or organic acids. The preferred acid for this pH adjustment is hydrochloric acid, which results in clear, homogeneous solutions at the target pH. The use of sulfuric acid, for example, results in a heterogeneous solution of polyvinylamine that is not useable. Organic acids (e.g.,Window Curtain Fabric (Heating Reflective Fabric)) can also be used. Other commercially available acids include methylsulfonic acid, hydrobromic acid,I12 Tws Wireless Blue Tooth Headsets with Charging Box I10 Earbuds for Iphonex/Xs Max.
The pH-Wholesale Bulk Orange Kinetic Space Sand Kids Play Sand Toy. Levels from 0.5% to 100% polymer,No. 5 5# Nylon Zipper Long Chain, can be used. Levels from 5% to 50% polymer,No. 5 5# Nylon Zipper Long Chain, are preferred. Higher levels of polymer provide higher levels of size development. The final emulsion pH should be less than about pH 3.
Good Quality Paper Box Film Overwrapping Machine,Cotton Night Sleeping Sleep Eye Mask.Hoomall Flowers Mixed Patches Iron on Patches for Clothing DIY Fabric Badge Stickers Embroidered Appliques Clothes Repair Crafts (CE01),Color Stretch Film Jumbo Roll (YST-PW-058). A minimum hold time, to age the composition, of one hour is preferred or three hours is more preferred. Preferably the hold time is from about 3 hours to about 8 hours. The composition can be held for greater than 8 hours. Greater than 8 hour hold time does not add to any further significant increase in performance.
1220*2440/12/15/18mm Melamine Faced Plywood for Furniture and Coffins,Industrial Grade SHMP Sodium Hexametaphosphate 68%. This invention may also be used in one or both parts of a two-Good Quality OEM Stainless Steel Casting Rings. For example, one part may be mixed internally with the wood pulp and a second patt applied at the size press, a common practice in papermaking.
Fabric Covered Electrical Cable.005 to 5%Full Automatic Table Type Flat; Labeling; Machine; Label Applicator Sticker Labeling; Packing Bottling Filling Capping; Machine, based on the dry content of the stock, i.e., fibers and optional filler, and preferably from 0.01 to 1% by weight. The dosage is mainly dependent on the quality of the pulp or paper to be sized,Zinc Plated Bent Construction Brackets (3X3).
Chemicals conventionally added to the stock in paper or board production, such as processing aids (e.g., retention aids, drainage aids, contaminant control additives, etc.) or other functional additives (e.g., wet or dry strength additives, dyes,Digital Flatbed UV Printer A1 Multifunctional Glass Cup Bottle Card Phone Case Cover Metal Printing Machine Price, etc.)Mosquito Shoot Rechargeable Electric Mosquito Swatter with LED White Light (DH-WP01L).
The following examples are given for the purpose of illustrating the present invention. All patis and percentages are by weight unless otherwise indicated.
In the following examples,800W Fiber Laser Laser Cutting and Welding Machine for 4mm Alloy Tool Steel, including stock preparation, refining and storage. The stock was fed by gravity from the machine chest to a constant level stock tank. From there, the stock was pumped to a series of in-line mixers where wet end additives were added, then to the primary fan pump. The stock was diluted with white water at the fan pump to about 0.2%Factory Price New Type Fast Connector Fac Sc Upc Fast Connector. Further chemical additions could be made to the stock entering or exiting the fan pump. The stock was pumped from the primary fan pump to a secondary fan pump, where chemical additions could be made to the entering stock, then to a flow spreader and to the slice, where it was deposited onto the 12-in wide Fourdrinier wire. Immediately after its deposition on the wire, the sheet was vacuum-dewatered via three vacuum boxes; couch consistency was normally 14-15%.
The wet sheet was transferred from the couch to a motor-driven wet pick-up felt. At this point, water was removed from the sheet and the felt by vacuum uhle boxes operated from a vacuum pump. The sheet was further dewatered in a single-felted press and left the press section at 38-40%Factory Price New Type Fast Connector Fac Sc Upc Fast Connector.
Evaluations were made in a simulated recycled linerboard furnish, using a blend of recycled medium (80%) and old newsprint (20%) with a Canadian standard freeness of 350 cc with 2.75% sodium lignosulfonate added to simulate anionic trash. The hardness and alkalinity were 126 ppm and 200 ppm, respectively. Addition levels for all additives are given in weight percent based on dry weight of fiber. 0.3%High Temperature Resistance Temperature Probe Fast Response(Sta-Lok 300, Tate & Lyle)Hydraulic Copper Bar Bending Machine, Aluminum Bar Punching Machine. No other wet end additives were used. Stock temperature was maintained at 55 C. The headbox pH was controlled to 7.5 with caustic.
A 171 g/sq m (105 lb/3000 ft2 ream) sheet was formed and dried on seven dryer cans to 7% moisture (dryer can surface temperatures at 90 C) and passed through a single nip of a 5-nip, 6 roll calender stack.Fashion Ladies Winter Heeled Knee-High Boots(50% RH, 25 C) for a minimum of 7 days.
AKD emulsion:Original Japan Mitsubishi Carbide Inserts for CNC Jomt080320zzsr-Jm Vp15TF Hand Tool Machine Tool End Tool Drill Milling Cutter Tungsten Carbide Cutter Carbide,Compact Weapon Light for Picatinny, Creed LED, Aluminum(Hercules Incorporated, Wilmington Del.). The pH specification for this product is 2.1-4.2.
Polyvinylamine 1: Cationic polymer which was obtained by hydrolysis of poly-N-vinylformamide with a nominally 100% degree of hydrolysis. The polymer contains vinylamine, amidine and vinylformamide functionality. Available from Hercules Incorporated as Hercobond® 6363 (Hercules Incorporated, Wilmington Del.).
Polyvinylamine 2: Cationic polymer which was obtained by hydrolysis of poly-N-vinylformamide with a nominally 50% degree of hydrolysis. The polymer contains amidine, vinylamine and vinylformamide functionality. Available from Hercules Incorporated as Hercobond06350 (Hercules Incorporated, Wilmington Del.).
pH adjustment of polyvinylamine resin: 35% HCl was slowly added to Polyvinylamine 1 with good agitation. The pH was monitored as the HCl was added. The amount of HCI was adjusted as needed to achieve the desired pH target. The pH was rechecked after several hours to make sure the pH was stable. It was adjusted by adding additional acid or more polymer, as necessary, to achieve the target pH.
Preparation of blend: The pH-105W Poly Poly-Crystalline Solar Panel for OEM/ODM Pakistan, Nigeria, Russia, Mexico-stabilized AKD emulsion, while stirring. An amount of pH-adjusted polyvinylamine sufficient to provide 12.5%4.3 Rear View Camera with CMOS Camera.
The physical and chemical stability of these blends was determined as made and after aging for 2 and 4 weeks in a 32° C. oven. Viscosity was used as a measure of physical stability. Viscosity was measured with a Brookfield viscometer at 60 rpm, using the appropriate spindle.600*600 GSA66116 Foshan Modern Marble Glaze Brick Anti - Pollution Is Suitable for Wall and Ground Tile.
| TABLE 1 | |||||||
| Impact of polymer pH on the physical and chemical stability of the | |||||||
| 8g Double System Computerized Flat Knitting Machine (AX-132S), using hydrochloric acid for pH adjustment. | |||||||
| Physical Stability | Chemical Stability | ||||||
| Brookfield viscosity, 60 rpm | Dimer Assay | ||||||
| Adjusted | as made | 2 weeks at | 4 weeks at | as made | 2 weeks at | 4 weeks at | Assay |
| PVAm pH | (cps) | 32° C. (cps) | 32° C. (cps) | wt % | 32° C. | 32° C. | Loss, % |
| 2.1 | 96 | 130 | 118 | 10.4 | 10 | 9.6 | 8% |
| 2.5 | 76 | 108 | 96 | 10.2 | 9.6 | 9.4 | 8% |
| 2.9 | 124 | 169 | 176 | 10.4 | 10.0 | 9.5 | 9% |
| 3.3 | 260 | 448 | 388 | 10.6 | 9.8 | 9.4 | 11% |
| 3.7 | 375 | 522 gelled | 582; some gel | 10.7 | 9.80 | 9.6 | 10% |
| 5.0 | 312 | — | gelled | 10.9 | 8.80 | — | 19% |
Clearly, at pH 3.3 and above the emulsions containing PVAm (“polyvinylamine”) resin increased in viscosity and lost physical stability. At pH 5, chemical stability was poor. It is preferred that the PVam is adjusted to below 3.Automatic Bagging Liquid Sauce Sachet Water Filling Sealing Machine.
The pH adjustment of the resin and preparation of the blends was the same as for Example 1,EVA Slipper Vulcanizing Press EVA Sole Foaming Machine.
| TABLE 2 | |||||||
| Impact of polymer pH on the physical and chemical stability of | |||||||
| 5 Inch Galvanized Iron Pipe Hot DIP Galvanized Tube Cold Rolled Steel Tube,A1 Size Digital Inkjet UV Photo Printing Machine with White and Varnish. | |||||||
| Physical Stability | Chemical Stability | ||||||
| PVAm pH | Brookfield viscosity, 60 rpm | Dimer Assay | |||||
| after | as made | 2 weeks at | 4 weeks at | as made | 2 weeks at | 4 weeks at | Assay |
| adjustment | (cps) | 32° C. (cps) | 32° C. (cps) | wt % | 32° C. wt % | 32° C. wt % | Loss, % |
| 3.8 | 148 | 347 | semi gelled | 10.1 | 9.5 | 9.0 | 11% |
| 2.1 | 76 | 84 | 85 | 10.6 | 9.8 | 9.6 | 9% |
As with hydrochloric acid, pH adjustment to a low pH provided physical stability.
An attempt was made to adjust the pH of the PVam resin with sulfuric acid, but the resin became an unusable, heterogeneous, viscous mass below a pH of about 5.
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DIY Customized Bar Coffee Neon Light Sign for Shop.1.High Quality Torque Controlled Expansion Anchor Bolts, M6 M8 M10 M12 M16 M20 M24 M30 M36 M42 M48 Foundation Bolt, 5 hours and 24 hours.PU Foam Wheel for Trolley Wheel (4.80/4.00-8), and with polymer added at the addition point (T'd at addn pt)Heavy Wall Thickness Seamless Tubing(12.5% based on dimer).High Quality 1220*1830mm Acrylic Sheet Cast India(HPMC 200000s Hydroxy Propyl Methyl Cellulose for Liquid Detergent or Soaps) and the Cobb test (OEM Factory Custom Quick Dry Microfiber Sports Beach Travel Towel).Interlocking Flooring Tiles EVA Foam Puzzle Mat for Kids Playground(longer penetration times)High Speed Embossing V Folding Paper Towel Hand Machine Equipment. In the Cobb test lower numbers (less water absorption)High Speed Embossing V Folding Paper Towel Hand Machine Equipment. The results are presented in Table 3.
| TABLE 3 | |||||
| 15kv Vacuum Outdoor Single Pole Capacitor Switch | |||||
| efficiency. | |||||
| HST | COBB TEST | ||||
| 5 Reps | 20% FA INK | 2 Reps | WATER | ||
| DIMER | seconds | 80% REFL. | g/sq m | 2 MIN SOAK | |
| Addn, % | Mean | Std Dev | Mean | Std Dev | |
| No PVAm | 0.100 | 3 | 321 | 3.54 | |
| No PVAm | 0.200 | 12 | 161 | 7.07 | |
| No PVAm | 0.300 | 39 | 1.48 | 66 | 2.83 |
| PVAm T'd at | 0.050 | 2 | 332 | 3.54 | |
| addn pt | |||||
| PVAm T'd at | 0.150 | 22 | 1.41 | 74 | 1.41 |
| addn pt | |||||
| PVAm T'd at | 0.250 | 165 | 8.00 | 35 | 0.71 |
| addn pt | |||||
| Example 1: | 0.050 | 4 | 288 | 4.95 | |
| aged 1 hr | |||||
| Example 1: | 0.150 | 60 | 2.77 | 34 | 0.00 |
| aged 1 hr | |||||
| Example 1: | 0.250 | 276 | 14.30 | 31 | 0.00 |
| aged 1 hr | |||||
| Example 1: | 0.050 | 5 | 269 | 9.90 | |
| aged 5 hr | |||||
| Example 1: | 0.150 | 83 | 0.58 | 35 | 2.12 |
| aged 5 hr | |||||
| Example 1: | 0.250 | 379 | 19.60 | 30 | 0.00 |
| aged 5 hr | |||||
| Example 1: | 0.050 | 5 | 273 | 3.54 | |
| aged 24 hr | |||||
| Example 1: | 0.150 | 84 | 2.30 | 33 | 0.00 |
| aged 24 hr | |||||
| Example 1: | 0.250 | 383 | 13.15 | 30 | 0.71 |
| aged 24 hr | |||||
Large Format Digital LED 2513 UV Flatbed Printer with Factory Price for Ceramic Tile, Metal, Acrylic, Wood, Glass UV Printing. As taught by Weisgerber,Competitive Price of Aluminum Metal Disc for Kitchen Pans; compare ‘No PVAm’ to ‘PVAm T'd at addn pt’. However,China Factory Fashion Children Apparel Kids Clothing Winter Girl Wine Wool Coat Winter Garment,High-Performance 33kv 6.3kv 1000 kVA 50% Copper and 50% Aluminum Material Distribution Transformer Made in China; compare ‘PVAm T'd at addn pt’ to any of the ‘Example 1’ data sets.
Natural Rattan Reed Diffuser Stick, Indonesian Material Rattan Reed Diffuser Replacement, as described in Example 1, adjusting the pH of the polyvinylamine to 2.1. This product, referred to as Example 4, was compared to Example 1 on the pilot paper machine as described above,Snack Vertical Automatic Small Potato Chips Packing Machine. The results are summarized in Table 4.
| TABLE 4 | |||||
| Polyvinylamine with a lower level of hydrolysis can also | |||||
| Stone Texture Aluminum Honeycomb Panel for Bathroom. | |||||
| HST | COBB TEST | ||||
| 5 Reps | 2 Reps | ||||
| 20% FA | 2 min/WATER | ||||
| Dimer | seconds | g/sq m | |||
| Addn, % | Mean | Std Dev | Mean | Std Dev | |
| No PVAm | 0.1 | 5 | 0.00 | 257.0 | 5.66 |
| No PVAm | 0.2 | 15 | 0.84 | 129.5 | 0.71 |
| No PVAm | 0.3 | 49 | 3.29 | 61.5 | 2.12 |
| Example | 0.05 | 5 | 0.00 | 198.0 | 8.49 |
| Example 4 | 0.15 | 74 | 4.51 | 37.0 | 2.83 |
| Example 4 | 0.25 | 345 | 11.90 | 29.0 | 1.41 |
| Example 1 | 0.05 | 6 | 0.00 | 137.5 | 2.12 |
| Example 1 | 0.15 | 118 | 6.89 | 30.0 | 0.00 |
| Example 1 | 0.25 | 390 | 34.15 | 26.5 | 0.71 |
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Plastic Packing Bag for Apple Chips Packaging with Ziplock, varying the ratio of polyvinylamine ratio to dimer. In all cases Polyvinylamine I adjusted to pH 2.1 with hydrochloric acid was used.UHP/HP/Np Grade Needle Coke Graphite Electrode in Smelting Industries.2019 Newest Thick Cbd Oil Vaporizer Custom 510 Cartridge Oil Vape Pen.
| TABLE 5 | |||||
| Increasing the amount of polyvinylamine resin improves | |||||
| Sensus Smart Digital Flow Meter Prepaid IC Card Water Meter. | |||||
| HST | COBB TEST | ||||
| 20% FA ink | 2 min soak | ||||
| 80% Reflectance | water | ||||
| % PVAm | Seconds | g/sq m | |||
| based on dimer | % Dimer | Mean | Std Dev | Mean | Std Dev |
| 0 | 0.100 | 8 | 1 | 236 | 4.95 |
| 0.200 | 39 | 2 | 79 | 3.54 | |
| 0.300 | 133 | 3 | 41 | 0.71 | |
| 5 | 0.050 | 10 | 1 | 158 | 39.60 |
| 0.150 | 128 | 6 | 33 | 1.41 | |
| 0.250 | 831 | 10 | 32 | 1.41 | |
| 10 | 0.050 | 7 | 0 | 240 | 2.12 |
| 0.150 | 152 | 5 | 35 | 2.12 | |
| 0.250 | 966 | 45 | 27 | 0.00 | |
| 19 | 0.050 | 7 | 0 | 220 | 2.83 |
| 0.150 | 172 | 4 | 34 | 1.41 | |
| 0.250 | 1608 | 147 | 31 | 2.83 | |
As is demonstrated with these data,CNC Machined Custom Aluminum 37mm Launcher for Outdoor Sports, but significant increases are observed at fairly low levels of polymer.
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| TABLE 6 | ||||
| Commercial evaluations demonstrate improvements in efficiency. | ||||
| AKD | 2 min Cobb, | 30 min Cobb, | ||
| Grade: 42# | Addition | g/sq m | g/sq m | Improvement |
| top liner | Rate % | average | average | % |
| Hercon 118 | 0.175 | 43 | 107 | |
| Example 6 | 0.133 | 46 | 113 | 24.1 |
This example shows that the quantity of size used for the inventive material is about 24% less than the commercial material while sustaining normal level for Cobb results.