PVC (polyvinyl chloride) stretch film and method for preparing same

A technology of wrapping film and PVC resin, applied in the field of PVC wrapping film and its preparation, can solve the problems of easy cracking, insufficient resilience and adhesion force of PVC wrapping film, and achieve the effect of improving resilience and adhesion force

Inactive Publication Date: 2016-08-24
SUZHOU DINGLI PACKAGING
View PDF5 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, PVC stretch film has insufficient resilience and adhe...

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
  • PVC (polyvinyl chloride) stretch film and method for preparing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A PVC stretch film, consisting of the following components by mass: 41 parts of PVC resin, 3 parts of polypropylene carbonate, 3 parts of epoxy soybean oil, 2 parts of sodium laureth sulfate, phthalic acid 1 part of dioctyl ester, 4 parts of polyisobutylene, 7 parts of tributyl phosphate, 4 parts of triethyl citrate, 2 parts of hexachlorocyclopentadiene, and 5 parts of hydroxypropyl methylcellulose.

[0017] Preparation:

[0018] (1) According to the above mass parts, PVC resin, polypropylene carbonate, epoxidized soybean oil, sodium laureth sulfate, dioctyl phthalate, polyisobutylene, tributyl phosphate, tricitric acid Ethyl ester, hexachlorocyclopentadiene, and hydroxypropyl methylcellulose are mixed, placed in a mixer, and stirred evenly at 200°C to obtain a mixture;

[0019] (2) Extrude the mixture obtained in step (1) through a twin-screw extruder, wherein the temperature in the first zone is 175°C, the temperature in the second zone is 180°C, the temperature in t...

Embodiment 2

[0022] A PVC stretch film, consisting of the following components by mass: 55 parts of PVC resin, 20 parts of polypropylene carbonate, 16 parts of epoxy soybean oil, 15 parts of sodium laureth sulfate, phthalic acid 19 parts of dioctyl ester, 12 parts of polyisobutylene, 17 parts of tributyl phosphate, 14 parts of triethyl citrate, 13 parts of hexachlorocyclopentadiene, and 16 parts of hydroxypropyl methylcellulose.

[0023] Preparation:

[0024] (1) According to the above mass parts, PVC resin, polypropylene carbonate, epoxidized soybean oil, sodium laureth sulfate, dioctyl phthalate, polyisobutylene, tributyl phosphate, tricitric acid Ethyl ester, hexachlorocyclopentadiene, and hydroxypropyl methylcellulose are mixed, placed in a mixer, and stirred evenly at 230°C to obtain a mixture;

[0025] (2) Extrude the mixture obtained in step (1) through a twin-screw extruder, wherein the temperature of the first zone is 190°C, the temperature of the second zone is 195°C, the temper...

Embodiment 3

[0028] A PVC stretch film, consisting of the following components by mass: 45 parts of PVC resin, 6 parts of polypropylene carbonate, 7 parts of epoxy soybean oil, 7 parts of sodium laureth sulfate, phthalic acid 6 parts of dioctyl ester, 7 parts of polyisobutylene, 10 parts of tributyl phosphate, 6 parts of triethyl citrate, 6 parts of hexachlorocyclopentadiene, and 6 parts of hydroxypropyl methylcellulose.

[0029] Preparation:

[0030] (1) According to the above mass parts, PVC resin, polypropylene carbonate, epoxidized soybean oil, sodium laureth sulfate, dioctyl phthalate, polyisobutylene, tributyl phosphate, tricitric acid Ethyl ester, hexachlorocyclopentadiene, and hydroxypropyl methylcellulose are mixed, placed in a mixer, and stirred evenly at 210°C to obtain a mixture;

[0031] (2) Extrude the mixture obtained in step (1) through a twin-screw extruder, wherein the temperature in the first zone is 180°C, the temperature in the second zone is 185°C, the temperature in...

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

No PUM Login to view more

Abstract

The invention discloses a PVC (polyvinyl chloride) stretch film and a method for preparing the same. The PVC stretch film comprises, by weight, 41-55 parts of PVC resin, 3-20 parts of polypropylene carbonate, 3-16 parts of epoxidized soybean oil, 2-15 parts of sodium laureth sulfate, 1-19 parts of dioctyl phthalate, 4-12 parts of polyisobutene, 7-17 parts of tributyl phosphate, 4-14 parts of triethyl citrate, 2-13 parts of hexachlorocyclopentadiene and 5-16 parts of hydroxypropyl methyl celluloses. The method includes mixing components with one another according to the weights and evenly stirring the components in a stirrer to obtain mixtures; extruding the mixtures by the aid of a double-screw extruder; forming a film by means of casting and cooling and packaging the film to obtain the PVC stretch film. The PVC stretch film and the method have the advantages that the elastic resilience and adhesion force of the PVC stretch film can be improved under the synergic effects of the components, and the PVC stretch film can be widely applied to the field of packaging.

Description

technical field [0001] The invention belongs to the field of packaging materials, and in particular relates to a PVC stretch film and a preparation method thereof. Background technique [0002] PVC stretch film is a special stretch film, which is often used to wrap wires and cables, various finishing rollers, mechanical equipment, hardware accessories, rubber hoses, steel pipes, furniture, building decoration materials, travel sports shoes, non-woven fabrics and other special-shaped products The packaging is self-adhesive by electrostatic adsorption, which will not cause secondary pollution to the packaged products. At the same time, due to the unique high transparency of the product, it can make the packaged products more beautiful. It has the advantages of low packaging cost, convenient operation, low shrinkage temperature, excellent shrinkage effect, transparent luster and large shrinkage rate. [0003] In the prior art, PVC stretch film has insufficient resilience and a...

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): C08L27/06C08L69/00C08L91/00C08L71/00C08L23/20C08L1/28C08K5/12C08K5/521C08K5/11C08K5/02B29C47/92B29L7/00B29C48/92
CPCC08L27/06B29C48/08B29C48/92B29C2948/92704B29L2007/00C08J5/18C08J2327/06C08J2469/00C08L2203/16C08L2205/035C08L69/00C08L91/00C08L71/00C08L23/22C08L1/284C08K5/12C08K5/521C08K5/11C08K5/02
Inventor 顾建芳
Owner SUZHOU DINGLI PACKAGING
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