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High-efficiency rubber antifoaming composition

A technology of defoaming agent and composition, applied in the field of high-efficiency rubber defoaming agent composition, can solve the problems of low safety performance, poor defoaming effect, poor diffusivity, etc. Good time and stability

Inactive Publication Date: 2019-01-22
ANHUI JINHUA ZINC OXIDE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many types of existing defoamers, some will affect the basic properties of the foaming system, some have poor defoaming effect, poor suppression performance, some are not good enough in diffusivity, and some are chemically unstable and safe poor performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A high-efficiency rubber defoamer composition, which consists of the following raw materials in parts by weight: 50 parts of siloxane, 3.6 parts of glycerol triacetate, 1.6 parts of ethylene bisstearamide, 23 parts of hydrophobic silicon dioxide, methylcyclo 2.6 parts of hexane, 1.4 parts of magnesium stearate, 1.2 parts of dioctyltin oxide, 10 parts of higher alcohol, 2.4 parts of ethyl acrylate, 3.5 parts of benzyltriphenylphosphine bromide, 5 parts of aluminate coupling agent, 10 parts of cement clinker, 8 parts of polyvinyl acetal resin, 20 parts of water glass, 2.7 parts of tert-pentane chloride and 3 parts of polyvalent metal salt.

Embodiment 2

[0014] The above-mentioned high-efficiency rubber defoamer composition has the following raw materials in parts by weight: 60 parts of siloxane, 7.5 parts of glycerol triacetate, 2.5 parts of ethylene bisstearamide, 35 parts of hydrophobic silicon dioxide, 3.2 parts of cyclohexane, 2.2 parts of magnesium stearate, 2.3 parts of dioctyltin oxide, 15 parts of higher carbon alcohol, 3.4 parts of ethyl acrylate, 6.5 parts of benzyltriphenylphosphine bromide, 9 parts of aluminate coupling agent 20 parts of cement clinker, 12 parts of polyvinyl acetal resin, 30 parts of water glass, 3.2 parts of tert-pentane chloride and 7 parts of polyvalent metal salt.

Embodiment 3

[0016] The above-mentioned high-efficiency rubber defoamer composition has the following raw materials in parts by weight: 55 parts of siloxane, 5.55 parts of glycerol triacetate, 2.05 parts of ethylene bisstearamide, 29 parts of hydrophobic silicon dioxide, 2.9 parts of cyclohexane, 1.8 parts of magnesium stearate, 1.75 parts of dioctyltin oxide, 12.5 parts of higher carbon alcohol, 2.9 parts of ethyl acrylate, 5 parts of benzyltriphenylphosphine bromide, 7 parts of aluminate coupling agent 15 parts of cement clinker, 10 parts of polyvinyl acetal resin, 25 parts of water glass, 2.95 parts of tert-pentane chloride and 5 parts of polyvalent metal salt.

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PUM

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Abstract

The invention discloses a high-efficiency rubber antifoaming composition, which is composed of the following raw materials (by weight): 50-60 parts of siloxane, 3.6-7.5 parts of triacetin, 1.6-2.5 parts of ethylene bis stearamide, 23-35 parts of hydrophobic silica, 2.6-3.2 parts of methylcyclohexane, 1.4-2.2 parts of magnesium stearate, 1.2-2.3 parts of Di-n-octyltin oxide, 10-15 parts of high carbon alcohol, 2.4-3.4 parts of ethyl acrylate, 3.5-6.5 parts of benzyltriphenylphosphonium bromide, 5-9 parts of an aluminate coupling agent, 10-20 parts of cement clinker, 8-12 parts of polyvinyl acetal resin, 20-30 parts of water glass, 2.7-3.2 parts of t-pentane chloride, and 3-7 parts of multivalent metal salt. The rubber antifoaming composition of the invention has the advantages of low cost,great improvement of calcium oxide storage time, good stability, difficulty in moisture absorption and deterioration, easy weighing, high moisture absorption efficiency, stable product quality and thelike.

Description

technical field [0001] The invention relates to the technical field related to rubber, in particular to a high-efficiency rubber defoamer composition. Background technique [0002] Antifoaming agent, also known as antifoaming agent, is a food additive that reduces surface tension during food processing, inhibits foam generation or eliminates foam that has already occurred. There are many types of existing defoamers, some will affect the basic properties of the foaming system, some have poor defoaming effect, poor suppression performance, some are not good enough in diffusivity, and some are chemically unstable and safe The performance is not high. Contents of the invention [0003] The purpose of the present invention is in order to solve the shortcoming that exists in the prior art, and propose a kind of high-efficiency rubber defoamer composition. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: [0005] A ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D19/04
CPCB01D19/0404B01D19/0409B01D19/0413B01D19/0427B01D19/045B01D19/0468
Inventor 张训龙刘艺
Owner ANHUI JINHUA ZINC OXIDE CO LTD
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