Low-odor pp/as/pok ternary composite resin, cosmetic packaging material and preparation method thereof

A ternary composite and cosmetics technology, which is applied in the field of low-odor PP/AS/POK ternary composite resin, cosmetic packaging materials and its preparation, can solve problems such as dependence on active functional groups, poor compatibility, and modification of polypropylene molecular chains

Active Publication Date: 2022-07-29
广东乔艺塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

PP (polypropylene) resin is hard and has a high melting point, but PP resin is a non-polar high polymer, which has disadvantages such as poor rigidity, poor low-temperature impact performance, and poor compatibility with other resins, resulting in poor performance of composite resin materials. which were modified to overcome these problems
Chinese patent CN108948533B discloses a method for improving the comprehensive mechanical properties of polypropylene composite plastics. The compatibility between polypropylene and linear low-density polyethylene is improved through intermediate materials, and the molecular chain itself of polypropylene is not modified. Only intermediate materials are used. The connection effect of different resins increases the compatibility between different resins, and the improvement effect of the compatibility between resins is not good
Chinese patent CN108192027B discloses a polar polypropylene graft and its preparation method. The polar polypropylene graft is prepared by introducing an initiator monomer, which can improve the performance of polypropylene itself and improve the relationship with other polymers. Compatibility, but the improvement of compatibility with other polymers only depends on the activity of the active functional group introduced by the initiator monomer, and the degree of improvement is limited

Method used

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  • Low-odor pp/as/pok ternary composite resin, cosmetic packaging material and preparation method thereof
  • Low-odor pp/as/pok ternary composite resin, cosmetic packaging material and preparation method thereof
  • Low-odor pp/as/pok ternary composite resin, cosmetic packaging material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0024] Preparation of modified PP resin: melt blending PP resin, acrylamide monomer, dibenzoyl peroxide, and styrene with a mass ratio of 10:1:0.1:0.1 at 150° C. for 8 minutes, extruding, and pelletizing, Acrylamide-modified PP resin was obtained.

Embodiment 2

[0026] Preparation of organic-inorganic composite toughening agent: Step 1: Add γ-aminopropyltriethoxysilane to toluene, mix and disperse, then add nano-silica, react at 78°C for 2h, filter, Rinse three times with absolute ethanol and dry at 50°C to obtain amino-modified nano-silica;

[0027] Wherein, the mass ratio of toluene, γ-aminopropyltriethoxysilane and nano-silica in the first step is 50:10:3;

[0028]The second step: place amino-modified nano-silica and ethylene glycol dimethylol ether in toluene, add catalyst p-nitrobenzoic acid, react at 85°C for 8h, filter with suction, wash with absolute ethanol for 3 times, 50 drying at ℃ to obtain an organic-inorganic composite toughening agent;

[0029] Wherein, the mass ratio of amino-modified nano-silica, ethylene glycol dimethylol ether, toluene, p-nitrobenzoic acid in the second step is 15:10:50:1.5;

[0030] Wherein, p-nitrobenzoic acid is an aqueous solution of p-nitrobenzoic acid with a mass percentage content of 10% (...

Embodiment 3

[0032] Preparation of PP / AS / POK ternary composite resin: acrylamide-modified PP resin, AS resin, POK resin, organic-inorganic composite toughener and antioxidant with a mass ratio of 10:10:10:1:1 1010 was melt-blended at 210°C for 6 minutes, and then extruded, cooled and pelletized to obtain PP / AS / POK ternary composite resin.

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Abstract

The invention relates to the technical field of polymer composite materials, and discloses a low-odor PP / AS / POK ternary composite resin and cosmetic packaging material, including modified PP resin, AS resin, POK resin, organic-inorganic composite toughening agent, Antioxidants are prepared. By modifying PP resin and adding organic-inorganic composite toughening agent, the compatibility of PP resin with AS resin and POK resin is improved by multiple factors, and the comprehensive properties of composite resin are improved. The cosmetic packaging material has good mechanical properties such as rigidity and toughness, and has the appearance and texture close to glass material, as well as low odor.

Description

technical field [0001] The invention belongs to the technical field of polymer composite materials, and in particular relates to a low-odor PP / AS / POK ternary composite resin, a cosmetic packaging material and a preparation method thereof. Background technique [0002] Cosmetic packaging materials refer to the packaging materials of cosmetics, mainly including glass materials and plastic materials. Among them, plastic packaging materials have become the main materials of cosmetic packaging due to their advantages of light weight and easy transportation and carrying. Cosmetics are in direct contact with human skin, and there are strict requirements on the safety and smell of packaging materials. For liquid and milky cosmetics, due to their good fluidity, plastics with good rigidity and good toughness are generally used to make hard packaging materials such as bottles. [0003] Different resins have different properties. Generally, a variety of resins are used for compounding ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L51/06C08L25/12C08L73/00C08K9/06C08K9/04C08K7/26
CPCC08L51/06C08L25/12C08L73/00C08K2201/011C08L2205/03
Inventor 李炎成纪钦荣
Owner 广东乔艺塑胶有限公司
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