Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

High-black-brightness scratch-resistant PMMA/ASA alloy material and preparation method thereof

An alloy material, black and bright scratch-resistant technology, applied in the field of composite materials, can solve the problems that the surface scratch resistance is difficult to meet the requirements of automobile factories, and the surface scratch resistance is difficult.

Active Publication Date: 2021-03-26
浙江科普特新材料有限公司
View PDF7 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the surface scratch resistance of domestic high-black and bright PMMA / ASA alloy materials is difficult to meet the requirements of automobile factories. Therefore, how to improve the surface scratch resistance of such materials is the current difficulty.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-black-brightness scratch-resistant PMMA/ASA alloy material and preparation method thereof
  • High-black-brightness scratch-resistant PMMA/ASA alloy material and preparation method thereof
  • High-black-brightness scratch-resistant PMMA/ASA alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0030] The formula is shown in Table 1. Among them, the melting index of ASA resin is 20g / 10min; the melting index of PMMA resin is 10g / 10min; the toughening agent is butyl acrylate, methyl methacrylate, acrylonitrile, and styrene copolymer, which is a core-shell structure, Japan Mitsubishi SX-006; in the modifier, by mass percentage, long-chain ternary copolymer nylon (source: TM126, Shandong Guangyin) is 20%, phenyl silicone oil (source: KF-50-1000cs, Shin-Etsu) is 30% , fumed alumina (source: Guangzhou Jibisheng) is 50%; carbon black pre-dispersed masterbatch, the weight concentration of carbon black is 55%, the carrier is PETs, which has excellent dispersibility, and the primary particle size of carbon black is 10 ~100nm; processing aids are antioxidant (1010), anti-ultraviolet agent (UV234), lubricant (Korean Shinwon Chemical EBS) at a weight ratio of 1:1:1. All raw materials are conventional commercially available products.

[0031] Table 1 embodiment, comparative exam...

Embodiment 5

[0038] The modifier in Example 1 was replaced with 50% long-chain ternary copolymerized nylon, 20% phenyl silicone oil, and 30% fumed alumina (by mass percentage), a total of 4.5 parts, and the rest remained unchanged to obtain an ASA / PMMA alloy , the cross scratch ⊿L is 1.28; the gloss (20° angle) is 79; the color blackness L value is 24.1.

Embodiment 6

[0040] In Example 1, the weight parts of toughening agent, processing aid, and carbon black masterbatch were adjusted to 4:1.5:5 to obtain ASA / PMMA alloy, and the cross scratch ⊿L was 1.19; gloss (20° angle) is 79; the color blackness L value is 24.1.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
melt flow indexaaaaaaaaaa
impact strengthaaaaaaaaaa
melt flow indexaaaaaaaaaa
Login to View More

Abstract

The invention discloses a high-black-brightness scratch-resistant PMMA / ASA alloy material and a preparation method thereof, ASA resin, PMMA resin, a modifier, a flexibilizer, a processing aid and a black filler are subjected to screw extrusion to obtain the high-black-brightness scratch-resistant PMMA / ASA alloy material. The modifier has good lubricity, the surface hardness of a material obtainedby combining rubber, resin, a processing aid and black filler is increased, meanwhile, the surface friction force is reduced, and when external force is applied, a sharp contact is difficult to go deep and cannot destroy the surface of the material, so that the color change is small after surface friction; due to the addition of the modifier, the surface hardness of the PMMA / ASA alloy is improved,the surface friction coefficient and the like are reduced, meanwhile, the refractive index is close to that of a base material, the obvious birefringence phenomenon of light rays is avoided, the material coloring is uniform, and the scratch resistance of the PMMA / ASA alloy material is good under the comprehensive action; according to the new alloy formula, the scratch resistance of the product isimproved on the basis of obtaining a high black and bright effect.

Description

technical field [0001] The invention belongs to composite material technology, and in particular relates to a preparation method of a high-black, bright and scratch-resistant PMMA / ASA alloy material. Background technique [0002] Styrene-acrylate-acrylonitrile terpolymer (hereinafter referred to as ASA) material is a material used outdoors to replace ABS. It has excellent weather resistance, excellent mechanical properties, convenient processing and molding, and recyclable scraps With the characteristics of reuse and low equipment investment, it is widely used in electronic appliances, automobile industry, outdoor products and other fields. However, ASA materials are currently used as outdoor products. Due to low gloss (less than 60glass) and low surface hardness (pencil hardness is usually 2B, lower than H), its decorative properties are somewhat less luster, and it cannot provide high gloss and high surface hardness. quality. PMMA material has excellent weather resistanc...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/12C08L51/04C08L77/00C08L83/04C08L51/00C08K13/04C08K7/24C08K3/22C08K3/04
CPCC08L33/12C08K2003/2227C08L2205/035C08L2205/02C08L51/04C08L77/00C08L83/04C08L51/003C08K13/04C08K7/24C08K3/22C08K3/04Y02E10/50
Inventor 周乐宁
Owner 浙江科普特新材料有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com