Full biodegradable fiber-reinforced starch foaming tableware and preparation method thereof

A biodegradable, fiber-reinforced technology, applied in tableware, household appliances, applications, etc., can solve the problems that the high foaming ratio of starch cannot be realized, polyvinyl alcohol is not biodegradable, and there is no waterproof and oil-proof treatment for tableware, etc., to achieve shortening molding Cycle time, small foam pore size, good water and oil repellency

Active Publication Date: 2017-07-14
庞买只
View PDF8 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this invention also does not carry out waterproof and oil-proof treatment to the tableware, and it is also difficult to be used as tableware
[0010] CN 103937035 A and CN 103951852 A also disclose high-strength starch-based degradable environmentally friendly materials, but they all introduce non-biodegradable polyvinyl alcohol substances into their systems, which cannot be completely biodegraded
[0011] It can be seen from the

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
  • Full biodegradable fiber-reinforced starch foaming tableware and preparation method thereof
  • Full biodegradable fiber-reinforced starch foaming tableware and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0045] Example 1

[0046] 50% tapioca starch (50 mesh), 20% polylactic acid short fiber (50D, 25mm), 10% polybutylene succinate powder (100 mesh), 5% 5000 mesh hydrotalcite ZnMg 3 Al 2 (OH) 12 CO 3 ·MH 2 O was added to the mixer in turn, stirred at room temperature for 10 minutes, then added 3% diethanolamine, stirred at room temperature for 15 minutes, and finally added 10% foaming agent (water / stearic acid / baking soda = 8 / 1 / 1 mass ratio), 2% 100 mesh glyceryl monostearate was stirred and mixed uniformly at 40°C, then added to the mold, and molded by hot pressing at 180°C for 40s, and finally sprayed with a 10μm polybutylene adipate film. A completely biodegradable fiber-reinforced starch foamed tableware is obtained.

Example Embodiment

[0047] Example 2

[0048] 60% tapioca starch (100 mesh), 15% polylactic acid staple fiber (100D, 10mm), 10% polybutylene adipate terephthalate powder (500 mesh), 3% 5500 mesh hydrotalcite ZnMg 3 Al 2 (OH) 12 CO 3 ·MH 2 O was added to the mixer in turn, stirred at room temperature for 10 minutes, then added 3% triethanolamine, stirred at room temperature for 15 minutes, and finally added 8% foaming agent (water / palmitic acid / baking soda = 6 / 2 / 2 mass ratio), 1 %50 mesh glyceryl monostearate was stirred and mixed uniformly at 60°C and then added to the mold, heated and pressed for 20s at 250°C, and finally sprayed with a polypropylene carbonate film with a thickness of 20μm to obtain a fully biodegradable fiber reinforced starch hair Soak tableware

Example Embodiment

[0049] Example 3

[0050] 82% tapioca starch (150 mesh), 5% polyglycolic acid short fiber (10D, 50mm), 5% polybutylene adipate terephthalate powder (300 mesh), 1% 4500 mesh hydrotalcite ZnMg 3 Al 2 (OH) 12 CO 3 ·MH 2 O was added to the agitator one by one, stirred at room temperature for 10 minutes, then added 1% monoethanolamine, stirred at room temperature for 15 minutes, and finally added 5% foaming agent (water / oleic acid / baking soda = 7 / 2 / 1 mass ratio), 1 %150 mesh glyceryl monostearate was stirred and mixed uniformly at 50°C and then added to the mold, heated and pressed at 220°C for 60s, and finally sprayed with a polybutylene succinate film with a thickness of 5μm to obtain a completely biodegradable Fiber reinforced starch foam tableware.

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
Thicknessaaaaaaaaaa
Compressive strengthaaaaaaaaaa
Login to view more

Abstract

The invention relates to biodegradable material, specifically relates to a full biodegradable fiber-reinforced starch foaming tableware and a preparation method thereof. The foaming tableware is divided into two layers of an outer layer and an internal layer, the outer layer is prepared from the following components in mass percent: 50 to 82 percent of cassava starch, 5 to 20 percent of biodegradable short fiber, 5 to 10 percent of biodegradable flexibilizer, 1 to 3 percent of compatilizer, 5 to 10 percent of foaming agent, 1 to 5 percent of heat insulation agent and 1 to 2 percent of releasing agent. All the components are mixed and stirred uniformly, then biodegradable thin film is sprayed and coated on a mixture subjected to hot press molding so that the full biodegradable fiber-reinforced starch foaming tableware is prepared. The tableware has the advantages that the strength is high, the rigidity is large, the toughness is good, the foaming ratio is high, the foaming aperture is small, the heat insulation is good, the water-resistance and oil-resistance is good, and all the material can be fully biodegraded so as to be the best choice to substitute a foaming polystyrene tableware.

Description

technical field [0001] The invention relates to biodegradable tableware, in particular to a fully biodegradable fiber-reinforced starch foamed tableware and a preparation method thereof. Background technique [0002] As we all know, foam tableware was first used on trains. Since discarded plastic waste caused serious damage to the ecology and landscape along the railway, the Ministry of Railways of my country banned the use of foam tableware in railway station cars in May 1995. Traditional disposable foamed plastic tableware mainly uses polystyrene PS resin as raw material, after being heated and melted at high temperature in an extruder, foaming agent butane and the like are added to extrude the sheet. After the sheet is rolled, it is placed in a ventilated and humid environment for health preservation, and then it is heated and blistered for the second time to form various tableware such as fast food boxes, soup bowls, instant noodle bowls, fresh trays, etc. In 1999, 2005...

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
IPC IPC(8): C08L3/02C08L67/04C08L67/02C08L69/00C08K3/26C08K5/103C08K5/17C08J9/12C08J9/08C08J9/14C08J7/04A47G19/00
CPCA47G19/00C08J7/0427C08J9/08C08J9/125C08J9/142C08J2203/02C08J2203/10C08J2203/12C08J2203/204C08J2303/02C08J2467/02C08J2467/04C08K2201/003C08L3/02C08L2201/06C08L2203/14C08L2205/03C08L2205/16C08L67/04C08L67/02C08K3/26C08K5/103C08K5/17C08L69/00
Inventor 庞买只梁海天
Owner 庞买只
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
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap