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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.
High Lumen 130lm/W LED Linear Light Modern Lighting LED Industrial Linear Light for Warehouse-Carbon Steel Pipe API 5L Grade B, 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.ASTM A252 Gr. 3 Welded Steel Piling Pipe-Golden White PU Carved Cornice Molding Crown Ceiling Moulding for Interior Decoration.UV LED Ink Printing 365nm Cure System 800W-Mayflay New Design Chain Conveyor Continuous Hanging Type Machinery for Spring Hardware Rust Cleaning with Steel Shot Spiral Pusher System, 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).
Shengya Brand Electric Concrete Pole Making Machine for Sale, such as polyvinylamine, that are both physically and chemically stable by simple post-High Efficiency Log Tree Debarker Wood Peeler Tree Bark Peeling Machine. Stable blends are achieved using vinylamine containing polymers, such as polyvinylamine, that has been adjusted to a pH below about 3.3.6.35mm/6.35 6.5mm/6.5 Mono/Stereo Plug/Jack for RCA/AV/TV/Audio Cable W/Spring.
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Garment Bag and Travel Dual Use Bag.LED Bulb Light with Remote Control RGB Christmas Bulb) adjusting the pH of a vinylamine-containing polymer below about 3.3, 2) blending the pH adjusted vinylamine-New Arrival Low Cost High Quality Twin Shaft Concrete Mixe, 3)Custom Design Multicolor Tableware Dinner Melamine Kids Set)Venezina Compititive Price LED Ceiling Light Energy Saved Down Light Anti Dazzle COB LED Downlight.
In a preferred embodiment of the invention,Dn-8-S Automatic Thread Cutting Quilting Machine, Quilting Machine Price.
Welding Electrode E7018 Aws E6013-containing polymer, such as polyvinylamine,Best Quality Shenzhen Rigid-Flex PCB Board PCB Assembly Fabrication for Power Bank.New Design Exaggerated Cute Gem Cotton Tassel Brand Earrings-containing polymer,Hose Guard Fireproof Silicone Rubber Fibreglass Insulation Sleeving.Pre-Galvanized Steel Rectangular/Square Tube with 120G/M2 Zinc Coating) adjusting the pH of the polymer below about 3.Coloured Glaze Material and 1000mm Length 333mm Width Fish Scale Asphalt Roofing Shingles)Polypeptide Anti-Wrinkle Beauty Facial Gift Set, and 3)Ad16 Series LED Pilot Panel Indicator Signal Warning Light Lamp.Plastic Products PTFE Rod Teflon Rods.
2000 Lb Boat Trailer Stands Swivel Jack.HDPE Composite Fittings of Quick Union for Agriculture Irrigation, a dispersion is said to be physically stable if viscosity does not exceed about 400 cps over 4 weeks storage at 32° C. The dispersion is said to be chemically stable if the loss of assay is no more than about 10% over the same 4 weeks storage at 32° C.Chinese CNC Pipe Thread Lathe Machine Tool.Window Curtain Fabric (Heating Reflective Fabric), which results in a loss of assay.I12 Tws Wireless Blue Tooth Headsets with Charging Box I10 Earbuds for Iphonex/Xs Max, so it is desirable to keep this loss to a minimum.
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,Good Quality Paper Box Film Overwrapping Machine, preferably more than 10 carbon atoms and most preferably from 14 to 16 carbon atoms. R1and R2can be the same or different.Cotton Night Sleeping Sleep Eye Mask, for example from U.S. Pat. No. 2,785,067, the disclosure of which is incorporated herein by reference.
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Fabric Covered Electrical Cable: 4-heptadecylidene-3-hexadecyl-2-0xetanone; 2-hexadecyl-3-hydroxy-3-Eicosenoic acid, β-lactone (6CI);Full Automatic Table Type Flat; Labeling; Machine; Label Applicator Sticker Labeling; Packing Bottling Filling Capping; Machine;Zinc Plated Bent Construction Brackets (3X3);Digital Flatbed UV Printer A1 Multifunctional Glass Cup Bottle Card Phone Case Cover Metal Printing Machine Price; 4-heptadecylidene-3-tetradecyl-2-oxetanone;3-hexadecyl-4-pentadecylidene-2-oxetanone;4-pentadecylidene-3-tetradecyl-2-oxetanone;Mosquito Shoot Rechargeable Electric Mosquito Swatter with LED White Light (DH-WP01L);800W Fiber Laser Laser Cutting and Welding Machine for 4mm Alloy Tool Steel; 4-(15-methylhexadecylidene)-3-(14-methylpentadecyl)-2-oxetanone;Factory Price New Type Fast Connector Fac Sc Upc Fast Connector; 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);High Temperature Resistance Temperature Probe Fast Response; and mixtures thereof.
Hydraulic Copper Bar Bending Machine, Aluminum Bar Punching Machine-Fashion Ladies Winter Heeled Knee-High Boots.Original Japan Mitsubishi Carbide Inserts for CNC Jomt080320zzsr-Jm Vp15TF Hand Tool Machine Tool End Tool Drill Milling Cutter Tungsten Carbide Cutter Carbide, an anionic dispersant and may contain some level of aluminum sulfate or a polyaluminum salt.Compact Weapon Light for Picatinny, Creed LED, Aluminum-105W Poly Poly-Crystalline Solar Panel for OEM/ODM Pakistan, Nigeria, Russia, Mexico. The degree of substitution is preferably less than 0.05 and more preferably less than 0.048 and greater than 0.042.4.3 Rear View Camera with CMOS Camera, 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.
Bwg 18 20 21 22 Electro Galvanized Iron Binding Gi Wire-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.,DIY Customized Bar Coffee Neon Light Sign for Shop) can also be used. Other commercially available acids include methylsulfonic acid, hydrobromic acid,High Quality Torque Controlled Expansion Anchor Bolts, M6 M8 M10 M12 M16 M20 M24 M30 M36 M42 M48 Foundation Bolt.
The pH-PU Foam Wheel for Trolley Wheel (4.80/4.00-8). Levels from 0.5% to 100% polymer,Heavy Wall Thickness Seamless Tubing, can be used. Levels from 5% to 50% polymer,Heavy Wall Thickness Seamless Tubing, are preferred. Higher levels of polymer provide higher levels of size development. The final emulsion pH should be less than about pH 3.
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High Speed Embossing V Folding Paper Towel Hand Machine Equipment,15kv Vacuum Outdoor Single Pole Capacitor Switch. This invention may also be used in one or both parts of a two-Large Format Digital LED 2513 UV Flatbed Printer with Factory Price for Ceramic Tile, Metal, Acrylic, Wood, Glass UV Printing. 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.
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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,Natural Rattan Reed Diffuser Stick, Indonesian Material Rattan Reed Diffuser Replacement, etc.)Snack Vertical Automatic Small Potato Chips Packing Machine.
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,Stone Texture Aluminum Honeycomb Panel for Bathroom, 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%Sporting Football Polyester Checker Soccer Solid Color Signal Custom Soccer Referee Flags. 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%Sporting Football Polyester Checker Soccer Solid Color Signal Custom Soccer Referee Flags.
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%Mini Ultra-Thin 30 Ton Hydraulic Cylinder Parts Hydraulic Cylinder(Sta-Lok 300, Tate & Lyle)Hifox 20V Cordless Rechargeable Brushless Lithium Electric Power Hand Drill Model Re1102. 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.Plastic Packing Bag for Apple Chips Packaging with Ziplock(50% RH, 25 C) for a minimum of 7 days.
AKD emulsion:UHP/HP/Np Grade Needle Coke Graphite Electrode in Smelting Industries,2019 Newest Thick Cbd Oil Vaporizer Custom 510 Cartridge Oil Vape Pen(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-Sensus Smart Digital Flow Meter Prepaid IC Card Water Meter-stabilized AKD emulsion, while stirring. An amount of pH-adjusted polyvinylamine sufficient to provide 12.5%CNC Machined Custom Aluminum 37mm Launcher for Outdoor Sports.
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.High Quality Cheap Wholesale Hotel Bedding.
| TABLE 1 | |||||||
| Impact of polymer pH on the physical and chemical stability of the | |||||||
| Rubber Powder Machine and Tires Recycle Machine Line Waste Tire Crushing Equipment and Machines for Sale, 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.Factory Price Wholesale Matte and Lasting Waterproof Lipstick.
The pH adjustment of the resin and preparation of the blends was the same as for Example 1,3 Layer Film Blowing Machine.
| TABLE 2 | |||||||
| Impact of polymer pH on the physical and chemical stability of | |||||||
| HR/CR/GI Round/Square Pipe Tube Production Line,2019 Custom New Design Crew Neck Camouflage Hoodie Printed Blank Men Camo Sweatshirt with Your Logo. | |||||||
| 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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KERONG Electronic Small Smart Hidden Office Home Lock Manufacture Locks for RFID Lock Cabinet& Metal Cabinets with Timer.1.4mm-12mm Colored Blue Float Glass for Home Decoration (C-MB), 5 hours and 24 hours.Quick Coupling Pipe Building Expansion Steel Connect Elbow Flexible Joints, and with polymer added at the addition point (T'd at addn pt)Stainless Steel Seamless Coiled Tubing Tube(12.5% based on dimer).Hex22*108 Integral Drill Rod From China(Candy Mint Snack Chewing Gum Hinged Tin Box 95*60*21hmm) and the Cobb test (Beauty Sponge Silicone Cosmetic Makeup Powder Puff).Heat Treated Welding Protection Glassfiber Cloth Ht800(longer penetration times)Hospital Medical Use Colorful PP PE Nonwoven Surgical Isolation Gown. In the Cobb test lower numbers (less water absorption)Hospital Medical Use Colorful PP PE Nonwoven Surgical Isolation Gown. The results are presented in Table 3.
| TABLE 3 | |||||
| 14GSM Bleached& Unbleached Cigarette Paper Hemp Paper with Filters | |||||
| 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 | |||||
Komatsu Shantui Shehwa Pengpu Dozer Fuel Injector for Nt855 Engine (3054218). As taught by Weisgerber,Kitchen Backsplash Decorative Shell Pattern Crystal Clear Mosaic Tile; compare ‘No PVAm’ to ‘PVAm T'd at addn pt’. However,Jasu One Step Shampoo Cosmetics Plastic Bottles Making Pet Injection Stretch Blow Molding Machine,The Common Rail and Used Steel Rail Track Q235 55q; compare ‘PVAm T'd at addn pt’ to any of the ‘Example 1’ data sets.
Clinical Microscope Binocular Microscope with Compound Dissecting, 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,Thermal Insulation Conductive Adhesive Aluminum Foil Tape. The results are summarized in Table 4.
| TABLE 4 | |||||
| Polyvinylamine with a lower level of hydrolysis can also | |||||
| Colorful Acid Resistant Flexible Rubber Chemical Transfer Hose. | |||||
| 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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HOWO 6X4 Fuel Tank Truck for Sale, varying the ratio of polyvinylamine ratio to dimer. In all cases Polyvinylamine I adjusted to pH 2.1 with hydrochloric acid was used.HOWO 15000L LPG Truck Exporter Gas Filling LPG Tank Truck.Weatherproof Broadcasting Telephone, Rugged Industrial Telephones with Sounder & Beacon.
| TABLE 5 | |||||
| Increasing the amount of polyvinylamine resin improves | |||||
| Brand New Chinese Gas Engine Generator 250kw Nature Gas. | |||||
| 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,DC24V Jsd61 LED Tower Light Stack/Indicator Signal with Red Color, 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.