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Composition containing acrylic acid (ester)/sodium acryloyl nitrogen copolymer as well as preparation and preparation method thereof

A technology of sodium acryloyl nitrogen copolymer and composition, which is applied in the field of surface chemistry to achieve the effects of good user experience, novel appearance and good spreadability

Inactive Publication Date: 2015-03-25
顾葵 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned emulsifier-free preparations have improved skin irritation, but their absorption speed, surface dispersion and comfort on the skin still need to be further improved

Method used

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  • Composition containing acrylic acid (ester)/sodium acryloyl nitrogen copolymer as well as preparation and preparation method thereof
  • Composition containing acrylic acid (ester)/sodium acryloyl nitrogen copolymer as well as preparation and preparation method thereof
  • Composition containing acrylic acid (ester)/sodium acryloyl nitrogen copolymer as well as preparation and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0075] Embodiment 1 Preparation of emulsifier-free composition

[0076]

[0077] 1. Pour raw material A into a dry water phase pot, stir evenly, add water, heat up to 80 degrees, and set aside;

[0078] 2. Pour B into a stainless steel bucket, stir well, and use a moving homogenizer to homogenize it, and set it aside;

[0079] 3. Heat the emulsification pot to 60 degrees, vacuumize, start stirring, first pump phase A, then pump phase B;

[0080] 4. Vacuum and homogenize for 3 minutes;

[0081] 5. Turn off homogenization, turn on stirring for 30 rpm, and at the same time turn on cooling water to cool down at a rate of one degree per minute;

[0082] 6. Continue to stir and cool down to 30 degrees;

[0083] 7. Filtration and discharge.

Embodiment 2

[0084] Embodiment 2 Emulsifier-free cream

[0085]

[0086]

[0087] See Example 1 for the preparation method.

Embodiment 3

[0088] Embodiment 3 Preparation of emulsifier-free sunscreen

[0089]

[0090] 1) Pour the other ingredients of A except water into a dry water phase pot, stir evenly, add water, heat up to 80 degrees, and set aside;

[0091] 2) Pour B into a stainless steel barrel, stir well and homogenize with a moving homogenizer, when the fineness of titanium dioxide reaches 40, pour into an oil phase pot, heat to 80 degrees, and set aside;

[0092] 3) Heat the emulsification pot to 60 degrees, vacuumize, start stirring, first pump phase A, then pump phase B;

[0093] 4) Vacuum and homogenize for 3 minutes;

[0094] 5) Turn off homogenization, turn on stirring for 30 rpm, and at the same time turn on cooling water to cool down at a rate of one degree per minute;

[0095] 6) When the temperature drops to 40 degrees, add C, continue to stir and cool down to 30 degrees;

[0096] 7) filter the discharge.

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PUM

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Abstract

The invention provides a composition containing acrylic acid (ester) / sodium acryloyl nitrogen copolymer as well as a preparation and a preparation method thereof. The composition further comprises acrylic acid (ester) / sodium acryloyl nitrogen copolymer, PEG-240 / HDI copolymer bis-decyl tetradecanol polyetherdecyl-20 ether and lithium magnesium silicate. By means of a static space steric hindrance stabilization effect, gel of a three-dimensional molecular network structure wrapping oil drops is formed to achieve a good emulsion stabilization function, and the system quickly disintegrates to quickly release an oil phase.

Description

technical field [0001] The invention belongs to the field of surface chemistry, and in particular relates to a composition containing acrylic acid (ester) / acryloyl nitrogen copolymer sodium and a preparation method thereof. Background technique [0002] Typically, active agent carriers, skin care agents, skin cleansers, sunscreens, cosmetics are emulsified formulations, an "emulsion" involving two immiscible or only to a limited extent miscible liquids generally called "phases". composed of heterogeneous systems. In an emulsion, one of two liquids is dispersed in the other in the form of tiny droplets. In order for one liquid to be permanently dispersed in another, emulsions traditionally require the addition of surfactants, or emulsifiers. Emulsifiers have an amphiphilic molecular structure consisting of a polar (hydrophilic) part and a nonpolar (lipophilic) part of the molecule which are spatially separated from each other. In a simple emulsion, one phase contains a sec...

Claims

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Application Information

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IPC IPC(8): A61K8/86A61K8/06A61K47/34A61K47/36A61K9/107A61Q19/10A61Q19/02A61Q17/04
Inventor 顾葵周小桥彭燕辉
Owner 顾葵
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