Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Biodegradable thermoplastic elastomer material and preparation method thereof

A thermoplastic elastomer, biodegradable technology, applied in the field of biodegradable thermoplastic elastomer materials and its preparation, can solve the problems of degradation performance degradation, poor elasticity, high hardness, etc.

Active Publication Date: 2019-09-13
SUNGALLON PLASTICS SHENZHEN CO LTD
View PDF5 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PBAT itself has high hardness and poor elasticity. Although the existing PBAT modified materials can improve the elasticity, they will cause a decline in degradation performance.

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
  • Biodegradable thermoplastic elastomer material and preparation method thereof
  • Biodegradable thermoplastic elastomer material and preparation method thereof
  • Biodegradable thermoplastic elastomer material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0040] The preparation method of the above-mentioned biodegradable thermoplastic elastomer material comprises the following steps:

[0041] S110. In parts by mass, stir 10-20 parts of SEBS and 5-25 parts of biodegradable polyol ester until the SEBS fully absorbs the biodegradable polyol ester, and leave it for at least 3 days to obtain mixture.

[0042] Wherein, the biodegradable polyol ester is selected from at least one of trimethylolpropane oleate, trimethylolpropane caprylate, pentaerythritol oleate and isooctyl stearate.

[0043] In one of the embodiments, stirring is carried out in a stirrer, and the stirring rate is 85rpm~110rpm.

[0044] In one of the embodiments, stirring is performed for 5 minutes to 7 minutes.

[0045] In one of the embodiments, it is placed for 3 to 5 days.

[0046] S120. Stir and mix the mixture with 50-70 parts of PBAT and 5-15 parts of compatibilizer to obtain a premix evenly.

[0047] In one of the embodiments, stirring is carried out in a ...

Embodiment 1

[0061] 13 parts of SEBS (Kraton's G1651) and 5 parts of trimethylolpropane oleate were stirred for 6 minutes until SEBS fully absorbed the biodegradable polyol ester, and left for 3 days to obtain a mixture. The mixture was mixed with 70 parts of PBAT (BASF's FBlend C1200), 12 parts of maleic anhydride grafted SEBS and 0.2 parts of tris(2,4-di-tert-butylphenyl) phosphite were mixed and stirred for 5 minutes to obtain a premix.

[0062] Put the premix into the twin-screw extruder for plasticization, extrusion, vacuuming, cooling, granulation, and drying to obtain biodegradable thermoplastic elastomer materials. The temperature of the twin-screw extruder is 180 ° C ~ 200 ° C The rotation speed of the screw is 320rpm, and the length-to-diameter ratio of the screw is 45:1.

Embodiment 2

[0064] 10 parts of SEBS (Kraton's G1651) and 20 parts of trimethylolpropane oleate were stirred for 10 minutes until SEBS fully absorbed the biodegradable polyol ester, and left for 5 days to obtain a mixture. The mixture was mixed with 62 parts of PBAT (BASF's F BX7011), 8 parts of ethylene-acrylate-glycidyl ester copolymer and 0.1 part of tris(2,4-di-tert-butylphenyl) phosphite and 0.05 parts of β-(3,5-di-tert-butyl -4-Hydroxyphenyl)propanoic acid n-octadecyl ester was mixed and stirred for 5 minutes to obtain a premix.

[0065] Add the premix into the twin-screw extruder for plasticization, extrusion, vacuuming, cooling, granulation, and drying to obtain biodegradable thermoplastic elastomer materials. The temperature of the twin-screw extruder is 170°C to 190°C. The rotation speed of the screw is 300rpm, and the length-to-diameter ratio of the screw is 48:1.

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
degree of graftingaaaaaaaaaa
Login to View More

Abstract

The invention relates to a biodegradable thermoplastic elastomer material and a preparation method thereof. The biodegradable thermoplastic elastomer material comprises, in parts by mass, 50-70 partsof PBAT, 10-20 parts of SEBS, 5-25 parts of a biodegradable polyol ester, and 5-15 parts of a compatibilizer, wherein the biodegradable polyol ester is at least one selected from trimethylolpropane oleate, trimethylolpropane caprylate / caprate, pentaerythritol oleate, and isooctyl stearate, and the compatibilizer is at least one selected from maleic anhydride grafted SEBS, maleic anhydride graftedpolypropylene, maleic anhydride grafted POE, a styrene-maleic anhydride copolymer, an ethylene-acrylate-maleic anhydride copolymer, and an ethylene-acrylate-glycidyl ester copolymer. The biodegradablethermoplastic elastomer material has relatively good elasticity and relatively good degradation performance.

Description

technical field [0001] The invention relates to a biodegradable thermoplastic elastomer material and a preparation method thereof. Background technique [0002] With the rapid development of the plastics industry, the amount of thermoplastic elastomers such as TPE, TPO, TPU, TPV, etc. is increasing day by day. Most of these thermoplastic elastomers are non-degradable materials, which will cause serious pollution to the environment after being discarded. [0003] In order to solve the environmental problems caused by plastic products, one of the more effective methods is to use biodegradable materials instead of traditional materials. Polybutylene adipate terephthalate (PBAT) is a terpolymer of 1,4-butanediol, adipic acid and terephthalic acid, which has excellent biodegradability due to the presence of ester groups, It is one of the hot spots in the research of biodegradable plastics at present, and has a good market application. However, PBAT itself has high hardness and ...

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): C08L67/02C08L53/02C08L23/08C08L51/00C08K5/526C08K5/103C08K5/134C08K5/101
CPCC08K2201/018C08L67/02C08L2201/06C08L2205/03C08L2207/04C08L53/025C08L51/006C08K5/526C08K5/103C08L23/0869C08K5/101C08K5/1345C08L23/0884
Inventor 陈敏仪李文星邱廷模
Owner SUNGALLON PLASTICS SHENZHEN CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap 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