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PLA (Poly Lactic Acid) and PHBV (Poly Hydroxyl Butyrate Valerate) blending modification polyester filament and preparation method thereof

A polyester filament, blending modification technology, applied in the field of functional polyester, can solve the problems of high cost, slow crystallization speed, high brittleness, etc.

Inactive Publication Date: 2013-03-27
新凤鸣集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Poly 3-hydroxybutyrate-3-hydroxyvalerate is referred to as PHBV. It is also different from ordinary synthetic polymers. It does not use oil and natural gas as raw materials, but various organic matter, starch sugar, and industrial waste from food factories. Waste fruit and other materials are used as raw materials for microbial synthesis of PHBV. It can biodegrade quickly and effectively, and become a fully bio-based and biodegradable material. However, although it has environmental protection during the synthesis process and good mechanical properties, it also It has the disadvantages of high cost, high brittleness, slow crystallization speed, and narrow processing window

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A kind of polyhydroxybutyrate valeric acid copolyester and polylactic acid blend modified polyester filament, its raw material mass percentage is:

[0019] PHBV 20%

[0020] PLA slices 80%

[0021] A preparation method of polyhydroxybutyrate valeric acid copolyester and polylactic acid blended modified polyester filament, the raw materials are dried, then screw extruded and melt filtered, then melt spun, and then cooled and formed , and then carry out oiling, winding and drafting to obtain polyhydroxybutyrate valeric acid copolyester and polylactic acid blended modified polyester filament;

[0022] The drying process is as follows: the drying temperature is 60-80°C, and the drying time is 7-9 / h;

[0023] In the spinning process, the spinning speed is 1000-3000 / m / min;

[0024] In the cooling process, the side blowing cooling method is adopted, the wind speed is 0.5-0.7m / s, and the temperature is 18-26°C;

[0025] In the drawing process, the drawing speed is 500-900m / ...

Embodiment 2

[0028] A kind of polyhydroxybutyrate valeric acid copolyester and polylactic acid blend modified polyester filament, its raw material mass percentage is:

[0029] PHBV 25%

[0030] PLA slices 75%

[0031] A preparation method of polyhydroxybutyrate valeric acid copolyester and polylactic acid blended modified polyester filament, the raw materials are dried, then screw extruded and melt filtered, then melt spun, and then cooled and formed , and then carry out oiling, winding and drafting to obtain polyhydroxybutyrate valeric acid copolyester and polylactic acid blended modified polyester filament;

[0032] The drying process is as follows: the drying temperature is 60-80°C, and the drying time is 7-9 / h;

[0033] In the spinning process, the spinning speed is 1000-3000 / m / min;

[0034] In the cooling process, the side blowing cooling method is adopted, the wind speed is 0.5~0.7m / s, and the temperature is 18~26°C;

[0035] In the drawing process, the drawing speed is 500-900m / ...

Embodiment 3

[0037] A kind of polyhydroxybutyrate valeric acid copolyester and polylactic acid blend modified polyester filament, its raw material mass percentage is: PHBV is 30%, and PLA chip is 70%, and its preparation method, raw material is carried out drying, Then carry out screw extrusion and melt filtration, then carry out melt spinning, then cool and form, and then carry out oiling, winding and drawing to obtain polyhydroxybutyric acid valeric acid copolyester and polylactic acid blended modified polyester filament;

[0038] The drying process is as follows: the drying temperature is 60-80°C, and the drying time is 7-9 / h;

[0039] In the spinning process, the spinning speed is 1000-3000 / m / min;

[0040] In the cooling process, the side blowing cooling method is adopted, the wind speed is 0.5-0.7m / s, and the temperature is 18-26°C;

[0041] In the drawing process, the drawing speed is 500-900m / min, and the drawing ratio is 2.

[0042] A kind of polyhydroxybutyrate valeric acid cop...

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Abstract

The invention discloses a functional PET technology, and particularly relates to a poly 3-hydroxybutyrate-3-hydroxyvalerate and poly lactic acid blending modification polyester filament and a preparation method thereof. The invention aims at overcoming the defects in the prior art and providing a PLA (Poly Lactic Acid) and PHBV (Poly Hydroxyl Butyrate Valerate) blending modification polyester filament which is quick in degradation velocity, high in softness, good in handfeel, and easy to color and a preparation method thereof. The polyester filament consists of 20-50wt% of PLA and the balance of PHBV, can satisfy the existing pursue of people, and has the characteristics that under the condition that the quality of cloth is met, abundant colors can be selected by people, so that the more choices are provided.

Description

technical field [0001] The invention relates to the technical field of functional polyester, in particular to a blended modified polyester filament of poly 3-hydroxybutyrate-3-hydroxyvalerate and polylactic acid and a preparation method thereof. Background technique [0002] As we all know, synthetic fibers account for a relatively high proportion of textile fibers, and have been widely used in industrial and agricultural production, clothing, home furnishing and other fields. It is easy to cause pollution. Therefore, degradable and regenerated "green" fiber materials will become the direction of synthetic fiber research in the future. In recent years, with the partial maturity of the polylactic acid (PLA) fiber polymerization process, it is considered to be one of the most promising "green" fibers. It has good biodegradability and recycling, and at the same time has Wicking and moisture conductivity, good UV resistance and bacteria resistance, excellent flame retardancy, e...

Claims

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Application Information

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IPC IPC(8): D01F8/14D01D1/04D01D5/08D01D5/088D01D5/12
Inventor 赵春财王华平沈健彧刘春福崔利姚敏刚陈晓斌谢国强薛浩杰杨敬轩吉鹏孔伟
Owner 新凤鸣集团股份有限公司
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