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cationic polymer thickener

一种阳离子聚合物、增稠剂的技术，应用在洗涤剂组合物、洗涤剂配合剂、有机洗涤组合物等方向，能够解决不足以令人满意等问题，达到好抗老化稳定性、好增粘性能的效果

Inactive Publication Date: 2016-04-20
S P C M SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Despite a strong need, the existing technology is not satisfactory in addressing the problem of redeposition, i.e. the recontamination of material that has been washed away in the form of dirt particles and fat during the washing process

Method used

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  • cationic polymer thickener

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A) Synthesis of Cationic Polymers This example describes the preparation of suitable cationic polymers.

[0039] The aqueous phase of the water soluble polymer is prepared by mixing together the following components:

[0040] — 47.0 parts of dimethylaminoethyl methacrylate chloride quaternary ammonium salt,

[0041] - 6.0 parts of acrylamide,

[0042] - 0.03 parts of pentasodium diethylenetriamine pentaacetate,

[0043] — 14 parts water,

[0044] — 0.03 parts of methylenebisacrylamide,

[0045] - 0.4 parts of sodium formate,

[0046] - Use citric acid to adjust the pH value to between 4.0-6.0.

[0047] The oil phase is prepared by mixing together the following components:

[0048] — 2.0 parts of sorbitan monooleate,

[0049] - 5.5 parts polymer stabilizer,

[0050] — 19.0 parts white mineral oil,

[0051] - 6.0 parts dearomatized hydrocarbon solvent,

[0052] The two phases are mixed together in a high-shear rate reactor at a ratio of 1 part of oil to 1 part...

Embodiment 2-5

[0079] Change the amount of cross-linking agent and chain transfer agent, repeat the method of embodiment 1, all results are listed in table 1.

[0080]

[0081] Table 1

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Abstract

Cationic polymer thickeners comprising crosslinked water-swellable cationic polymers containing at least one cationic monomer and optionally nonionic and or anionic monomers, said polymers containing less 25% water-soluble polymer chains based on the total weight of the polymer, and a cross-linking agent at a concentration of 500 ppm to 5000 ppm in the polymer.

Description

technical field [0001] The invention relates to the technical field of cationic cross-linked polymer and its application as a thickener. Background technique [0002] Traditionally, most domestic fabric softener compositions contain thickeners to provide rheological improvements. [0003] Standard cationic polymeric thickeners are crosslinked water swellable polymers such as those disclosed in WO90 / 12862 (BP Chemistry) which discloses the use of lightly crosslinked (5-45ppm) cationic thickeners , or US2002 / 0132749 (Colgate-Palmolive) and the application of the heavily cross-linked cationic thickener disclosed in Research Disclosure 429116. [0004] One disadvantage of softener treatments is the gradual over-accumulation of softener components on the surface of the garment, especially after repeated use. This excess build-up on clothing creates a positive charge and tends to interact more strongly with dirt and oil, which usually have a negative charge. This makes dirt and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D3/37C11D17/00D06M15/267D06M15/263C08F220/34C08F220/60
CPCC08F220/34C11D3/0015C11D3/0036C11D3/3773D06M15/263D06M15/267D06M15/285D06M15/29D06M15/333D06M15/3562
Inventor 弗雷德里克·布隆德尔
Owner S P C M SA
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