Scratch resistant and weather-resistant blending material with high brightness and metal texture

A metal texture, high brightness technology, applied in the field of polymer materials, can solve the problems affecting the mechanical properties of products, the surface scratch resistance is not enough, easy to oxidize and discolor, etc., to avoid the decline of metal luster, reduce surface flow marks, metal obvious effect

Inactive Publication Date: 2018-03-09
上海倍聚兰科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are the following deficiencies in varying degrees, which affect its use in various fields:
[0009] 1. The base resin used has poor weather resistance and is easy to change color, which affects the scope of use of the material. Outdoor use will seriously affect the mechanical properties of the prepared product, and the surface will turn yellow after long-term use, such as polypropylene, ABS, etc.
[0010] 2. The performance of the base material used does not meet the requirements. Spray-free materials can be used for the appearance and even structural parts of some products. The performance of the material is required to meet the product strength requirements. The pure PMMA material has low toughness and the surface of ASA material is scratch-resistant Injury does not meet the requirements for outdoor materials
[0011] 3. The metal powders used are all aluminum metal powders, pearl powders,...

Method used

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  • Scratch resistant and weather-resistant blending material with high brightness and metal texture
  • Scratch resistant and weather-resistant blending material with high brightness and metal texture

Examples

Experimental program
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Effect test

preparation example Construction

[0040] The preparation method of the scratch-resistant and weather-resistant blend material with high-brightness metallic texture comprises the following steps:

[0041] A. Place 0.2-1 parts of metallic pigments and 2-5 parts of compatibilizer in a three-necked bottle, mix well and stir for 20-40 minutes, then place for 1-3.5 hours to form the first mixture; further preferably , Stir 0.2-1 parts of metal pigment and 2-5 parts of compatibilizer for 30 minutes and then leave it for 2 hours;

[0042] B. Perform high-speed mixing of 40-60 parts of ASA resin, 40-60 parts of PMMA resin, 0.2-1 part of processing aid, 0.1-1 part of antioxidant and 0.2-1 part of weather resistance agent according to the proportion by weight. 400-500rpm, the mixing time is 60-90s; then, add the first mixture for low-speed mixing to form the second mixture, the rotating speed is 200-250rpm, and the mixing time is 10-20s;

[0043] C. Add the second mixture into a single-screw or twin-screw extruder, melt...

Embodiment 1

[0050] A scratch-resistant and weather-resistant blend material with a high-brightness metallic texture, which has the following components by weight: ASA resin 50kg; PMMA resin 50kg; antioxidant (1010) 0.2kg; antioxidant (168) 0.2 kg, hindered phenolic UV absorber 0.5kg; metallic effect pigment 0.3kg; processing aid EBS 0.2kg; compatibilizer KH550 or SAG 3kg;

Embodiment 2

[0052] A scratch-resistant and weather-resistant blend material with a high-brightness metallic texture, which has the following components by weight: ASA resin 60kg; PMMA resin 40kg; antioxidant (1010) 0.2kg; antioxidant (168) 0.2 kg, hindered phenolic UV absorber 0.5kg; metal pigment 0.3kg; processing aid EBS 0.2kg; compatibilizer KH550 or SAG 3kg.

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Abstract

The invention provides a scratch resistant and weather-resistant blending material with a high brightness and a metal texture. The blending material is characterized by being prepared from the following components in parts by weight: 40-60 parts of ASA resin, 40-60 parts of PMMA resin, 20-40 parts of SAN resin, 0.2-1 part of a metal pigment, 0.2-1 part of a processing aid, 2-5 parts of a compatilizer, 0.1-1 part of an antioxidant and 0.2-1 part of a weather resistant agent. The scratch resistant and weather-resistant blending material with the high brightness and the metal texture provided bythe invention is high in surface brightness, high in weather resistance in material, scratch-resistant in surface and obvious in metal effect.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a scratch-resistant and weather-resistant blend material with a high-brightness metallic texture. Background technique [0002] The structures of ASA and ABS are similar, but the ASA material structure does not contain unsaturated double bonds, which retains the excellent mechanical and physical properties of ABS as a general-purpose plastic, and has strong weather resistance and temperature resistance. Used in outdoor electrical and electronic products, automotive exterior mirrors, grilles and building materials. PMMA is a polymer with excellent optical properties and weather resistance. Most of its applications are concentrated in external decorations that require visual beauty, except for our common rear lights, lampshades, roofs, advertising signs, and panels. Due to PMMA has a strong surface hardness, and is also used in the shell materials of home appliances, suc...

Claims

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Application Information

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IPC IPC(8): C08L51/04C08L33/12C08L25/12C08K13/02C08K5/134C08K5/526C08K5/544C08K5/20C08K3/08C08K3/22
CPCC08K2003/0806C08K2003/0812C08K2003/2241C08K2003/2244C08K2003/2272C08L25/12C08L33/12C08L51/04C08L2205/03C08K13/02C08K5/1345C08K5/526C08K5/544C08K5/20C08K3/08C08K3/22
Inventor 高冬兰
Owner 上海倍聚兰科技有限公司
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