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High-strength environment-friendly carton and preparation method thereof

An environmentally friendly, high-strength technology, used in packaging paper, wrapping paper, textiles and papermaking, etc., can solve problems such as environmental pollution, and achieve the effect of improving mechanical properties, good biodegradability, and enhancing mechanical strength

Inactive Publication Date: 2021-06-11
张功定
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, after these cartons are used, they will more or less cause unnecessary pollution to the environment during the recycling process due to the recycling process.

Method used

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  • High-strength environment-friendly carton and preparation method thereof
  • High-strength environment-friendly carton and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of preparation method of high-strength environment-friendly type carton, concrete steps are as follows:

[0024] (1) Put corn stalks and dried rice straws into pieces and decoct them in water for 6 hours, and filter to obtain pulp;

[0025] (2) use a beater to beat the pulp, and the degree of beating is 45 ° SR;

[0026] (3) Add polylactic acid / polycaprolactone composite fiber and modified coconut fiber to pulp and continue beating for 4h; paper pulp, polylactic acid / polycaprolactone composite fiber and modified coconut fiber mass ratio are 100:18: 8.

[0027] (4) Inject the mixed pulp into the paper machine for papermaking, and dry the paper sheets obtained by papermaking. The drying temperature is 80 ° C, and the drying time is 6 hours;

[0028] (5) Heat-press the dried paper to make a high-strength environment-friendly carton.

[0029] The preparation method of polylactic acid / polycaprolactone composite fiber is as follows: after drying polylactic acid and ...

Embodiment 2

[0033] A kind of preparation method of high-strength environment-friendly type carton, concrete steps are as follows:

[0034] (1) Put corn stalks and dried rice straws into pieces and decoct them in water for 6 hours, and filter to obtain pulp;

[0035] (2) use a beater to beat the pulp, and the degree of beating is 50 ° SR;

[0036] (3) Add polylactic acid / polycaprolactone composite fiber and modified coconut fiber to pulp and continue beating for 4h; paper pulp, polylactic acid / polycaprolactone composite fiber and modified coconut fiber mass ratio are 100:20: 14.

[0037] (4) Inject the mixed pulp into the paper machine for papermaking, and dry the paper sheets obtained by papermaking. The drying temperature is 70 ° C, and the drying time is 6 hours;

[0038] (5) Heat-press the dried paper to make a high-strength environment-friendly carton.

[0039] The preparation method of polylactic acid / polycaprolactone composite fiber is as follows: after drying polylactic acid and...

Embodiment 3

[0043] A kind of preparation method of high-strength environment-friendly type carton, concrete steps are as follows:

[0044] (1) Put corn stalks and dried rice straws into pieces and decoct them in water for 6 hours, and filter to obtain pulp;

[0045] (2) use a beater to beat the pulp, and the degree of beating is 40 ° SR;

[0046] (3) Add polylactic acid / polycaprolactone composite fiber and modified coconut fiber to pulp and continue beating for 3h; paper pulp, polylactic acid / polycaprolactone composite fiber and modified coconut fiber mass ratio are 100:20: 13.

[0047] (4) Inject the mixed pulp into the paper machine for papermaking, and dry the paper sheets obtained by papermaking. The drying temperature is 80 ° C, and the drying time is 4 hours;

[0048] (5) Heat-press the dried paper to make a high-strength environment-friendly carton.

[0049] The preparation method of polylactic acid / polycaprolactone composite fiber is as follows: after drying polylactic acid and...

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Abstract

The invention discloses a high-strength environment-friendly carton and a preparation method thereof. The high-strength environment-friendly carton is finally obtained through pulping, papermaking and hot press molding. The paper base is reinforced through the synergistic effect of the two kinds of environment-friendly fibers, the mechanical strength of the carton is enhanced, the adopted polylactic acid / polycaprolactone composite fibers have biodegradability, polylactic acid and polycaprolactone are mixed, so that the brittleness of polylactic acid is reduced, the toughness is enhanced; and the coconut shell fibers modified through magnesium oxide act together, therefore, the high-strength environment-friendly carton has excellent mechanical strength.

Description

technical field [0001] The invention belongs to the technical field of carton processing, and in particular relates to a high-strength environment-friendly carton and a preparation method thereof. Background technique [0002] With the rapid development of the Internet economy, more and more people choose online shopping as a channel for purchasing items. These online products are sent to consumers by express delivery, and these products need to be packaged during the delivery process. , Cartons are often used in the packaging process of commodities. A high-strength, wear-resistant carton can well protect these commodities from damage due to various factors during transportation. In addition, after these cartons are used, they will more or less cause unnecessary pollution to the environment during the recycling process due to the recycling process. Contents of the invention [0003] In order to deal with the problems mentioned in the background above, the present inventio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H11/12D21H15/10D21H11/20D21H27/10D01F8/14D06M11/44
CPCD01F8/14D06M11/44D06M2101/04D21H11/12D21H11/20D21H15/10D21H27/10
Inventor 张功定
Owner 张功定
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