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Nonporous moisture permeable and water-repellent modified polyether ester functional film material and preparation method thereof

A moisture-permeable waterproof and film material technology, which is applied in the non-porous moisture-permeable waterproof modified polyether ester functional film material and its preparation field, can solve the problems of high raw material cost and poor heat resistance stability, and achieve the effect of reducing raw material cost

Inactive Publication Date: 2009-02-04
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention focuses on solving the problems of poor heat-resistant stability and high raw material cost of existing TPEE non-porous moisture-permeable waterproof film materials, and provides a non-porous moisture-permeable waterproof modification with improved heat-resistant stability, environmental protection, and lower cost Polyether ester functional film material and preparation method

Method used

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  • Nonporous moisture permeable and water-repellent modified polyether ester functional film material and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0025] The number average molecular weight of 900g PA6 and 240g is 2×10 3 After dispersion and mixing of polyethylene glycol and 3g of antioxidant B215, melt through a twin-screw extruder, knead, extrude, cool, pelletize, and dry to obtain moisture-permeable PA6. The temperature of each zone of the twin-screw extruder barrel used is: Section I: 200°C; Section II: 240°C; Section III: 240°C; Section IV: 235°C; Section V: 230°C; Section VI Segment: 225°C.

[0026]The 500g polyether segment is made of polyethylene oxide, the number average molecular weight is 600, and the mass percentage is 50% TPEE, 381g moisture-permeable PA6, 80g EVA (wherein the VA mass percentage content is 20%), 30g nano silver antibacterial Masterbatch (Shanghai Huzheng Nano Technology Co., Ltd., the same below), 4g novolac epoxy resin, 2g light stabilizer 944, 3g antioxidant B215 are dispersed and mixed, melted, kneaded, extruded by twin-screw extruder, After cooling, pelletizing and drying, a non-porous...

Embodiment 2

[0028] The number average molecular weight of 700g PA6 and 350g is 2×10 4 After dispersion and mixing of polyethylene glycol and 2g of antioxidant B215, melt through a twin-screw machine, knead, extrude, cool, pelletize, and dry to obtain moisture-permeable PA6. The temperature of each zone of the twin-screw extruder barrel used is: Section I: 200°C; Section II: 240°C; Section III: 240°C; Section IV: 235°C; Section V: 230°C; Section VI: 225°C.

[0029] The 700g polyether segment is composed of polypropylene oxide with a number average molecular weight of 2.8×10 3 , 20% TPEE by mass percentage, 150g moisture-permeable PA6, 100g EVA (wherein VA mass percentage content is 30%), 38g nano-silver antibacterial masterbatch, 5g novolak epoxy resin, 1g ultraviolet absorber UV-531, 4g phenol Antioxidant 1010, after dispersion and mixing of 2g silicone release agent, the modified TPEE was obtained after melting, kneading, extruding, cooling, pelletizing, and drying through a twin-screw...

Embodiment 3

[0031] The number average molecular weight of 700g PA6 and 350g is 4×10 3 After dispersion and mixing of polyethylene glycol and 2g of antioxidant B215, melt through a twin-screw extruder, knead, extrude, cool, pelletize, and dry to obtain moisture-permeable PA6. The temperature of each section of the twin-screw extruder barrel used is: Section I: 200°C; Section II: 240°C; Section III: 240°C; Section IV: 235°C; Section V: 230°C; Section VI: 225°C.

[0032] The 600g polyether segment is composed of 1:1 polyethylene oxide and polypropylene oxide, and the number average molecular weight is 1×10 3 , TPEE with a mass percentage of 35%, 300g moisture-permeable PA6, 50g EVA (wherein the VA mass percentage is 25%), 30g nano-silver antibacterial masterbatch, 10g novolac epoxy resin, 3g ultraviolet absorber UV-329, 4g sub- Phosphate antioxidant 168, after dispersing and mixing 2g of dioctyl phthalate, melted, kneaded, extruded, cooled, pelletized, and dried through a twin-screw extrud...

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Abstract

The invention discloses a non-porous moisture permeable waterproof modified polyether ester functional film material and a preparation method thereof. The non-porous moisture permeable waterproof modified polyether ester functional film material of the invention contains components with the following weight percent: 50 to 70 percent of polyether ester, 10 to 30 percent of daiamid 6, 5 to 10 percent of hydrophilic polymer, 5 to 10 percent of ethylene-vinyl acetate copolymer, 2 to 4 percent of antibacterial masterbatch, 0.4 to 1 percent of novolac epoxy, 0.2 to 0.5 percent of antioxidant, 0.2 to 0.6 percent of processing additive. The modified polyether ester material of the invention has the advantages of polyester, polyether and daiamid, and has the advantages of good heat resistance, low cost and environmental protection. The film prepared in the process of melting casting has the functions of non-porous moisture permeation and watertightness, etc, and is mainly applicable to the production of clothing, waterproof breathable tape, and roof or wall film in the construction industry, etc.

Description

technical field [0001] The invention relates to a modified polyether ester film material, in particular to a non-porous moisture-permeable waterproof modified polyether ester functional film material and a preparation method thereof. Background technique [0002] Polybutylene terephthalate-polyethylene oxide-polypropylene oxide thermoplastic elastomer (PBT-PEO-PPO, TPEE for short) is composed of dimethyl terephthalate, butylene glycol, polyethylene oxide A block copolymer obtained by melt co-condensation of alkane diol and / or polypropylene oxide diol, with easy-to-crystallize polybutylene terephthalate as the hard segment, with low glass transition temperature, soft and non-toxic The fixed polyethylene oxide-polypropylene oxide polyether is used as the soft segment, and the mass percentage of the polyether is 20-50%. The hard segments of polyester are dispersed in the soft segments of amorphous polyether as physical cross-linking points, and the soft and hard segments are c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/00C08L77/02C08L71/08C08L71/02C08L23/08C08L63/04C08K13/02C08K5/134C08K5/526B29B9/12B29C47/92B29C48/92
CPCB29C47/92
Inventor 刘述梅赵建青
Owner SOUTH CHINA UNIV OF TECH
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