High-toughness and high-elasticity expandable polystyrene and preparation method thereof
An expandable polystyrene and high-density polyethylene technology, applied in the field of foamed plastics, can solve the problems of toughness and aging resistance that cannot meet actual needs, increase production costs, etc., achieve easy control, save energy, improve The effect of rebound and thermal insulation properties
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0019] A high-toughness and high-elasticity expandable polystyrene proposed by the present invention, its raw material comprises by weight: 100 parts of styrene, 20 parts of ethylene-vinyl acetate copolymer, 15 parts of high-density polyethylene, 150 parts of water, over 0.5 parts of dibenzoyl oxide, 0.05 parts of tert-butyl peroxybenzoate, 0.15 parts of activated calcium phosphate, 0.2 parts of modified titanium dioxide, 0.2 parts of hydroxyethyl cellulose, 2 parts of pull-off powder, 0.15 parts of defoamer, 7 parts of foaming agent; Wherein foaming agent is made of n-pentane and isopentane in a weight ratio of 4.5:1;
[0020] During the preparation of the modified titanium dioxide, add 0.8 parts of aluminum-zirconium coupling agent TL-4 into 52 parts of acetone and stir evenly by weight, then add 96 parts of nano-titanium dioxide for electromagnetic stirring at a speed of 5700 rpm, and then keep warm in a water bath for 23 minutes , the temperature kept in a water bath was 7...
Embodiment 2
[0022] A high-toughness and high-elasticity expandable polystyrene proposed by the present invention, its raw materials include by weight: 100 parts of styrene, 27 parts of ethylene-vinyl acetate copolymer, 12 parts of high-density polyethylene, 165 parts of water, over 0.3 parts of dibenzoyl oxide, 0.08 parts of tert-butyl peroxybenzoate, 0.08 parts of activated calcium phosphate, 0.4 parts of modified titanium dioxide, 0.12 parts of hydroxyethyl cellulose, 6 parts of pull-off powder, 0.07 parts of defoamer, 11 parts of blowing agent;
[0023] In the preparation process of modified titanium dioxide, add 0.4 parts of aluminum-zirconium coupling agent TL-4 into 55 parts of acetone and stir evenly according to parts by weight, then add 95 parts of nano-titanium dioxide for electromagnetic stirring, the electromagnetic stirring speed is 6000rpm, and then keep warm for 15 minutes in a water bath , the temperature kept in a water bath was 71° C., and then vacuum-dried to obtain mod...
Embodiment 3
[0025] A high-toughness and high-elasticity expandable polystyrene proposed by the present invention, its raw material comprises by weight: 100 parts of styrene, 25 parts of ethylene-vinyl acetate copolymer, 13 parts of high-density polyethylene, 160 parts of water, over 0.35 parts of dibenzoyl oxide, 0.07 parts of tert-butyl peroxybenzoate, 0.1 parts of activated calcium phosphate, 0.35 parts of modified titanium dioxide, 0.15 parts of hydroxyethyl cellulose, 5 parts of pull-off powder, 0.1 parts of defoamer, 10 parts of foaming agent; Wherein foaming agent is made of n-pentane and isopentane in a weight ratio of 5:1;
[0026] During the preparation of modified titanium dioxide, add 1 part of aluminum-zirconium coupling agent TL-4 into 50 parts of acetone and stir evenly, and then add 97 parts of nano-titanium dioxide for electromagnetic stirring at a speed of 5500 rpm, followed by water bath for 20 minutes , the temperature of the water bath insulation is 70° C., and then va...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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