Degradable disposable tableware and preparation method thereof

A disposable and tableware technology, applied in the field of degradable disposable tableware and its preparation, can solve the problems that hinder the rapid popularization of such materials

Inactive Publication Date: 2018-01-19
贵州省玉态康环保餐具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, the price of bioplastics is two or three times higher than that of ordinary plastics, which hinders the rapid popularization of such materials

Method used

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  • Degradable disposable tableware and preparation method thereof
  • Degradable disposable tableware and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Weigh 70kg of wheat straw powder, 37.5kg of reed pulp, 30kg of wheat starch, 20kg of peach gum, 12.33kg of PHA, 24.66kg of PHBV, and 11kg of bamboo fiber

[0033] (2) Grinding wheat straw powder, wheat starch and peach gum respectively, and passing through an 80-mesh sieve;

[0034] (3) Put the wheat straw powder into a high-temperature high-speed mixer, add peach gum powder, after mixing evenly, slowly add wheat starch, and obtain viscous wheat mixed powder after cooling;

[0035] (4) Bamboo fiber is soaked and softened with lye, cleaned and dried;

[0036] (5) Add equal amount of water to the wheat mixed flour, stir evenly, and form a paste;

[0037] (6) Add reed pulp, PHA, PHBV to the paste of step (6), stir evenly, add bamboo fiber, stir again, obtain raw material mixture;

[0038] (7) The raw material mixture is molded with a molding machine, and taken out after molding. The molding temperature is 160° C., and the molding pressure is 230 MPa.

[0039] The re...

Embodiment 2

[0041] (1) Weigh 65kg of wheat straw powder, 35kg of reed pulp, 23kg of wheat starch, 18kg of peach gum, 11.66kg of PHA, 23.33kg of PHBV, and 10kg of bamboo fiber

[0042] (2) Grinding wheat straw powder, wheat starch and peach gum respectively, and passing through an 80-mesh sieve;

[0043] (3) Put the wheat straw powder into a high-temperature high-speed mixer, add peach gum powder, after mixing evenly, slowly add wheat starch, and obtain viscous wheat mixed powder after cooling;

[0044] (4) Bamboo fiber is soaked and softened with lye, cleaned and dried;

[0045] (5) Add 0.5 times the amount of water to the wheat mixed flour, stir evenly, and form a paste;

[0046] (6) Add reed pulp, PHA, PHBV to the paste of step (6), stir evenly, add bamboo fiber, stir again, obtain raw material mixture;

[0047] (7) The raw material mixture is molded with a molding machine, and taken out after molding. The molding temperature is 140° C., and the molding pressure is 220 MPa.

[0048] ...

Embodiment 3

[0050] (1) Weigh 75kg of wheat straw powder, 40kg of reed pulp, 32kg of wheat starch, 22kg of peach gum, 13kg of PHA, 26kg of PHBV, and 12kg of bamboo fiber

[0051] (2) Grinding wheat straw powder, wheat starch and peach gum respectively, and passing through an 80-mesh sieve;

[0052] (3) Put the wheat straw powder into a high-temperature high-speed mixer, add peach gum powder, after mixing evenly, slowly add wheat starch, and obtain viscous wheat mixed powder after cooling;

[0053] (4) Bamboo fiber is soaked and softened with lye, cleaned and dried;

[0054] (5) Add 1.5 times the amount of water to the wheat mixed flour, stir evenly, and form a paste;

[0055] (6) Add reed pulp, PHA, PHBV to the paste of step (6), stir evenly, add bamboo fiber, stir again, obtain raw material mixture;

[0056] (7) The raw material mixture is molded with a molding machine, and taken out after molding. The molding temperature is 180° C., and the molding pressure is 240 MPa.

[0057] The re...

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Abstract

The invention belongs to the field of disposable tableware and especially relates to degradable disposable tableware and a preparation method thereof. According to the invention, pure natural green raw materials such as wheat straw powder, reed pulp, wheat starch, peach gum, etc. are used, composite bioplastic is added to raise the integral strength, bamboo fiber is added to increase toughness oftableware, and then strength and toughness of the tableware are greatly enhanced. Thus, the degradable disposable tableware which is easy to degrade and has high strength and high toughness is finallyobtained.

Description

technical field [0001] The invention belongs to the field of disposable tableware, in particular to a degradable disposable tableware and a preparation method thereof. Background technique [0002] my country has a huge demand for disposable tableware, mostly plastic or paper products. Most of the industrially produced plastic products are difficult to degrade, and cause serious environmental pollution while consuming fossil energy; paper products will also bring about problems such as deforestation, refractory coating film, waste of water resources, etc., and the cost is relatively high. [0003] Bioplastics refer to plastics produced under the action of microorganisms based on natural substances such as starch. It is renewable and therefore environmentally friendly. It has the following advantages: [0004] 1. Bioplastics can reduce the consumption of petroleum used to produce plastics; [0005] Second, biodegradable plastics can promote the slow progress of plastic re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L1/02C08L3/02C08L5/00C08G67/04C08L67/02
Inventor 肖玉和肖其
Owner 贵州省玉态康环保餐具有限公司
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