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Pressing film without rubber mat as well as preparation method and application of pressing film

A non-adhesive, film-pressing technology, which is applied in the field of plastic films, can solve the problems of hot-pressing deformation of films and pure cotton fabrics, and achieve good bonding effects

Active Publication Date: 2022-04-01
新乐华宝医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a pressure film without rubber pad and its preparation method and application, which solves the problem of deformation of the film and pure cotton cloth in the prior art when it is hot-pressed

Method used

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  • Pressing film without rubber mat as well as preparation method and application of pressing film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A pressure film without a rubber pad, consisting of three layers A, B, and C from top to bottom, wherein the A layer is composed of component A: 75 parts of Mitsui resin NF528, 25 parts of polyethylene, 5 parts of low-density polyethylene 2 parts, 2 parts of fluorinated polyethylene, 1 part of silicon dioxide;

[0024] The component B is composed of the following parts by weight: 75 parts of polypropylene, 25 parts of polyolefin elastomer 8880;

[0025] The component C is composed of the following components in parts by weight: 75 parts of Mitsui resin NF528, 25 parts of polyethylene, 5 parts of low-density polyethylene, 2 parts of fluorinated polyethylene, and 1 part of silicon dioxide;

[0026] The mass ratio of the components A, B, and C is 6:16:6;

[0027] The components A, B, and C are respectively melt-extruded by screw extruders (components A, B, and C correspond to A, B, and C in turn), and are merged together by the distributor after filtering the filter net ...

Embodiment 2

[0029] A pressure film without a rubber pad, consisting of three layers A, B, and C from top to bottom, wherein the A layer is composed of component A: 70 parts of Mitsui resin NF528, 20 parts of polyethylene, 3 parts of low-density polyethylene 1 part, 1 part of fluorinated polyethylene, 0.5 part of silicon dioxide;

[0030] The component B is composed of the following parts by weight: 70 parts of polypropylene, 20 parts of polyolefin elastomer 8880;

[0031] The component C is composed of the following components in parts by weight: 70 parts of Mitsui resin NF528, 20 parts of polyethylene, 3 parts of low-density polyethylene, 1 part of fluorinated polyethylene, and 0.5 parts of silicon dioxide;

[0032] The mass ratio of the components A, B, and C is 6:16:6;

[0033] The preparation method is the same as in Example 1.

Embodiment 3

[0035] A pressure film without a rubber pad, consisting of three layers A, B, and C from top to bottom, wherein the A layer is composed of component A: 80 parts of Mitsui resin NF528, 30 parts of polyethylene, 6 parts of low-density polyethylene 3 parts, 3 parts of fluorinated polyethylene, 1 part of silicon dioxide;

[0036] The component B is composed of the following parts by weight: 80 parts of polypropylene, 30 parts of polyolefin elastomer 8880;

[0037] The component C is composed of the following components in parts by weight: 80 parts of Mitsui resin NF528, 30 parts of polyethylene, 6 parts of low-density polyethylene, 3 parts of fluorinated polyethylene, and 1 part of silicon dioxide;

[0038] The mass ratio of the components A, B, and C is 6:16:6;

[0039] The preparation method is the same as in Example 1.

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Abstract

The invention relates to the technical field of plastic films, and provides a rubber-mat-free pressed film which is sequentially composed of a layer A, a layer B and a layer C. The layer A is composed of a component A: 70-80 parts of a thermoplastic elastomer, 20-30 parts of polyethylene, 3-6 parts of low-density polyethylene, 1-3 parts of fluorinated polyethylene and 0.5-1 part of a film opening agent; the layer B is prepared from a component B: 70 to 80 parts of polypropylene and 20 to 30 parts of polyolefin elastomer; and the layer C consists of a component C: 70-80 parts of a thermoplastic elastomer, 20-30 parts of polyethylene, 3-6 parts of low-density polyethylene, 1-3 parts of fluorinated polyethylene and 0.5-1 part of a film opening agent. By means of the technical scheme, the problem that in the prior art, a thin film and pure cotton cloth deform during hot press forming is solved.

Description

technical field [0001] The invention relates to the technical field of plastic films, in particular to a pressure film without an adhesive pad and its preparation method and application. Background technique [0002] With the rapid development of the economy and the improvement of residents' living standards, consumers have higher and higher requirements for the comfort, feel and style of clothing. [0003] For shirts, the cuffs and collar are usually made of double-layer fabrics, and the two layers are usually bonded and fixed by a layer of film. Currently, polyethylene and polypropylene films are commonly used on the market. When preparing cuffs or collars, high temperature Thermoforming. For clothes made of pure cotton, the pure cotton fabric may be deformed by heat due to the high pressing temperature during hot pressing, but if the pressing temperature is lowered, there will be poor adhesion between the film and the fabric, and it will be difficult to wear for a long t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/32B32B27/18B32B27/08A41D27/10A41D27/18A41D31/02A41D31/04B29C48/21B29C48/08B29L7/00
Inventor 杨棉刘洪波孙冠军柴建民曹会静
Owner 新乐华宝医疗器械有限公司
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