Heat-resistant full-biodegradable straw and preparation method thereof
A technology of all-biological straws, applied in the field of heat-resistant full-biodegradable straws and its preparation, can solve problems such as non-conformity with use standards, poor heat resistance, and inability to use hot drinks
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
preparation example Construction
[0033] The present invention also provides the preparation method of the above-mentioned heat-resistant fully biodegradable straw, comprising the following steps:
[0034] 1) Put the inorganic filler, biomass filler, lubricant and compatibilizer into the high-temperature mixing equipment, and stir at 1000rpm-3000rpm for 15-20min at 130-150°C;
[0035] 2) Add fully biodegradable resin, chain extender, and nucleating agent to the mixture prepared in step 1), mix well, put it into a mixer at 120-220°C for 10-15 minutes;
[0036] 3) putting the blend obtained after banburying in step 2) into a twin-screw extruder, extruding and granulating at 130-220° C. to obtain a heat-resistant fully biodegradable straw material;
[0037] 4) extruding the obtained heat-resistant fully biodegradable straw material into a tube shape with a straw extruder;
[0038] 5) Put the pipe obtained in step 4) into the post-processing equipment, the heating temperature inside the post-processing equipment ...
Embodiment 1
[0042] This embodiment provides a heat-resistant fully biodegradable straw, including the following components in parts by mass: 100 parts of polylactic acid, 3 parts of sodium silicate, 2 parts of diisocyanate, 30 parts of calcium carbonate, 1 part of aluminate, 1 part of calcium stearate, 25 parts of starch.
[0043] This embodiment also provides the preparation method of the above-mentioned heat-resistant fully biodegradable straw, including the following steps:
[0044] 1) Put calcium carbonate, starch, calcium stearate and aluminate into high-temperature mixing equipment, and stir at 2000rpm for 15min at 135°C;
[0045] 2) Add polylactic acid, diisocyanate, and sodium silicate to the mixture prepared in step 1), mix well, and put it into an internal mixer at 135°C for 10 minutes;
[0046] 3) Put the blend obtained after step 2) into a twin-screw extruder, extrude and granulate at 180°C to obtain a heat-resistant fully biodegradable straw material;
[0047] 4) Extrude th...
Embodiment 2
[0058] This embodiment provides a heat-resistant fully biodegradable straw, which includes the following components in parts by mass: 70 parts of polylactic acid, 30 parts of polybutylene succinate, 4 parts of ethylene bisstearamide, p-phenylene 3 parts of diisocyanate, 30 parts of talc, 1.5 parts of aluminate, 1 part of stearic acid, 20 parts of starch.
[0059] This embodiment also provides a preparation method for the above-mentioned heat-resistant fully biodegradable straw, including the following steps:
[0060] 1) Put talcum powder, starch, stearic acid and aluminate into high-temperature mixing equipment, and stir at 1500 rpm for 15 minutes at 140°C;
[0061] 2) Add polylactic acid, polybutylene succinate, p-phenylene diisocyanate, and ethylene bisstearamide to the mixture prepared in step 1), mix well, and put it into a 135°C internal mixer for banburying for 15 minutes;
[0062] 3) Put the blend obtained after step 2) into a twin-screw extruder, extrude and granulate...
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