stabilizer for low ammonia natural rubber latex compounds
US4455265A - Stabilizer for low ammonia natural rubber
In the test compounds, i.e., Examples 1 and 2, Hartex®103 low ammonia natural rubber latex was utilized and the original Triton®QS-44 surfactant at a 20% solids aqueous solution was neutralized with KOH and ammonium hydroxide respectively. For comparative purposes, two controls were included in the evaluation.
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Stabilizer for low ammonia natural rubber latex compounds
The resultant low ammonia natural rubber latex or latex compound exhibits excellent chemical stability and is particularly suitable for use in the preparation of prevulcanized dipping compounds. In addition, suitable foam and molding compounds can be prepared utilizing the low ammonia natural rubber latex and surfactant.
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Stabilizer for low ammonia natural rubber latex compounds
Stabilizer for low ammonia natural rubber latex compounds 1. A method of improving the chemical stability of a low ammonia natural rubber latex which... 2. The method of claim 1 wherein said low ammonia natural rubber latex has a solids content... 3. The method of claim 1 wherein the low ammonia ...
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Technical Note: NR-Latex & Latex Products
Lipids comprise of sterols and sterol esters (approx.0.4%), wax and phospholipids adsorbed on rubber particles through which the proteins are anchored on rubber particles and are dissolved in the rubber hydrocarbon. The ‘gel’ content (solvent insoluble rubber) steadily increases, as latex is stored.
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Low ammonia PV NRL medium modulus (PVML) - Partners
Low ammonia prevulcanised natural rubber latex having a medium modulus with high purity/low toxicity rating making it an ideal latex for the production of medical goods. Low ammonia PV NRL medium modulus is used in a variety of dipping processes whereby medium modulus is required.
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Lecture No. (3) Rubber Latex
2-High ammonia latex (HA latex): Added 0.6 - 0.8 % of ammonia, this process called secondary preservatives are added to low ammonia latex for long term preservation (storage). Latex Properties Natural rubber latex concentrates are highly specified materials and characterize by many properties that are includes: 1- Dry Rubber Content (DRC).
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FR2522665A1 - Process for improving the chemical stability
the invention concerns the chemical stability of a natural rubber latex with low ammonia content the chemical stability of latex and low-ammonia natural rubber latex formulations is improved by the addition of 0.1 to 0.5% by weight on a solid base of 100% by weight of solid based natural rubber of a surfactant which is a neutralized or partially neutralized anionic phosphate having a ph of 4 to 10% the form of an aqueous solution at 20. the resulting stabilized natural rubber ...
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Stabilizer for low ammonia natural rubber latex compounds
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Natural Latex Rubber for mold making and mask making
HX-80LA Low Ammonia Mold Making Liquid Latex Rubber $65.00 WARNING - Prop. 65 PRODUCT MAY FREEZE IN TRANSIT – order may be delayed due to freezing temperatures. HX-80LA is a brush-able vulcanize-able Natural Latex compounded from specially processed Latex with a high solids...
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Products - Partners in Chemicals
Ammonia preserved NRL (PS9003) is an ammonia preserved natural rubber latex prepared by special processing and chemical treatment. The latex has low water extractable protein level. Ammonia preserved NRL (PS9003) has been specially developed with the objective for latex compounding to produce dipped goods such as gloves with low water extractable protein.
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Stabilizer for low ammonia natural rubber latex compounds
The chemical stability of low ammonia natural rubber latices and latex compounds is improved by the addition of from 0.1 to 0.5 parts by weight solids, per 100 parts by weight of natural rubber solids, of a neutralized or partially neutralized anionic phosphate surfactant having a pH in a 20 percent
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Stabilizer for low ammonia natural rubber latex compounds - The
The resultant stabilized natural rubber latices or latex compounds are particularly suitable for use in preparing prevulcanized dipping compounds.The invention relates to a stabilizer for low ammonia natural rubber latices and latex compounds.
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Latex Compounding | Natural Rubber | Zinc Oxide
LATEX COMPOUNDING Natural latex is a unique natural substance which finds numerous uses inAnother consideration in compound design is the viscosity. Viscosity of raw latex depends on itsPrevulcanized latex (PVL) finds application in many products which require low temperature curing.
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natural rubber latex low ammonia, natural rubber latex low
··· NATURAL LIQUID RUBBER LATEX 60% drc low ammonia odor ULACOL is natural rubber latex with an ultra low ammonia content developed by our company, which has only a very slight ammonia odor. Conventional commercial products of natural rubber latex include “HANR latex” and “LANR
Send InquiryNatural Latex, Rubber Coatings, Latex Concentrate: Chemionics
Natural Latex is produced from the Hevea Brasiliensis rubber tree. These trees are grown on largeThe latex is placed into a centrifuge, stabilizers are added, and theChemionics offers formulations using both high & low ammonia natural latex, as well as offering pre-vulcanized compounds.
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Products - Partners in Chemicals
Ammonia preserved natural rubber latex prepared by special processing and chemical treatment.Ammonia preserved NRL (PS9003) has been specially developed with the objective for latex compounding to produce dipped goods such as gloves with low water extractable protein.
Send InquirySensitization of PVME Blended Natural Rubber Latex Compound
high ammonia natural rubber latex compound and the effects of pH, level of non-ionic stabilizer, zinc oxide and PVME upon.In natural rubber latex, any added surface active agent has to compete for the available. surface with the naturally occurring surface active agent such as soaps and proteins
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Ammonia in Liquid Latex - why?? | Forum - why??- Mtbr.com
The low-ammonia concentrate requires the addition of a secondary preservative to the latex to avoid coagulation and contamination. Secondary preservatives include sodium pentachlorophenate, tetramethylthiuram disulphide, sodium
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Vytex ® Revolutionizing Natural Rubber Latex, Plant Based
Vytex the cleanest Natural Rubber Latex available.This makes Vytex the cleanest rubber product on the market. Vytex can easily be used as a source material for end product applications wherever Natural Rubber Latex, synthetic latex blends, nitrile, and petroleum-based products are used.
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Vytex Natural Rubber Latex
Vytex Natural Rubber Latex (NRL) is a brand of natural rubber latex produced and marketed by Vystar Corporation. Vytex NRL is an alternative material to petroleum-based synthetics and traditional
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