Higher aliphatic alcohol emulsion antifoaming agent

A high-grade fatty alcohol and defoamer technology, applied in defoamer, non-polymer organic compound addition, textile and papermaking, etc., can solve the problem of insufficient carbon chain length of natural fatty alcohol, high price of synthetic fatty alcohol, defoaming inhibition problems such as poor foaming ability, to achieve the effect of increasing added value, improving performance and stability, and enriching sources

Active Publication Date: 2017-08-18
济宁南天农科化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a high-grade fatty alcohol emulsion using rice bran wax as an active ingredient in view of the high price of synthetic fatty alcohols and the insufficient carbon chain length of natural fatty alcohols resulting in poor defoaming and foam-suppressing capabilities Defoamer

Method used

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  • Higher aliphatic alcohol emulsion antifoaming agent
  • Higher aliphatic alcohol emulsion antifoaming agent
  • Higher aliphatic alcohol emulsion antifoaming agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] High-grade fatty alcohol emulsion defoamer 1, each component by mass percentage is: refined rice bran wax 20%, 52# paraffin wax 4%, 32# mineral oil 4%, sodium dodecyl diphenyl ether disulfonate 1.2%, Acrylic acid thickener 1.6%, glutaraldehyde 0.2%, water 69% are prepared, and the emulsion viscosity of the newly prepared product is 522mPa.s.

Embodiment 2

[0087] Higher fatty alcohol emulsion defoamer 2, each component by mass percentage is: refined rice bran wax 18%, 52# paraffin wax 5%, palm oil 5%, isomerized tridecyl alcohol polyoxyethylene ether (12EO) 1.2%, acrylic acid Thickener 1.6%, isothiazolinone 0.2%, water 69%, the emulsion viscosity of the newly prepared product is 482mPa.s.

Embodiment 3

[0089] Higher fatty alcohol emulsion defoamer 3, each component by mass percentage is: refined rice bran wax 20%, 70# microcrystalline wax 4%, palm oil 4%, sodium dodecyl diphenyl ether disulfonate 1.2%, Acrylic acid thickener 1.6%, glutaraldehyde 0.2%, water 69% are prepared, and the emulsion viscosity of the newly prepared product is 620mPa.s.

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Abstract

The invention provides a higher aliphatic alcohol emulsion antifoaming agent. The antifoaming agent is prepared from rice bran wax, ax, alkane or vegetable fat, a surfactant, a thickening gent, a bactericide and water, and the rice bran wax is the active component of the emulsion antifoaming agent. The rice bran wax takes higher aliphatic acid, higher aliphatic alcohol and higher aliphatic alcohol ester as main components and contains abundant hexacosanol, octacosanol, triacosanol and corresponding alcohol ester. The higher aliphatic alcohol emulsion prepared from the rice bran wax is applicable to foam control in each section of pulping and papermaking, particularly a papermaking system and foam control of papermaking wet-ends.

Description

technical field [0001] The invention belongs to the technical field of pulping and papermaking, in particular to a high-grade fatty alcohol emulsion defoamer. Background technique [0002] The pulp and paper system is a complex multiphase system. The fiber raw material itself contains a lot of resinous substances. At the same time, in order to improve the running performance of the paper machine and the performance of the paper, various additives are added during the production process, such as sizing agent, retention and drainage aid, resin control agent, strengthening agent, desorbing agent, etc. These substances have certain surface activity. In the process of pulp and paper making, especially in the wet end of paper making, it is very easy to generate foam. The generation of foam will not only cause the foam to overflow in the tank and reduce the water filtration capacity of the paper material, but also increase the power consumption in the process of paper material fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H21/12D21H17/60D21H17/04D21H17/14D21H17/06D21H17/12D21H17/02
CPCD21H17/02D21H17/04D21H17/06D21H17/12D21H17/14D21H17/60D21H21/12
Inventor 马朴黄军张宗举李陶伟
Owner 济宁南天农科化工有限公司
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