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Easy-to-peel protective film for artificial marble and preparation method thereof

A technology of artificial marble and protective film, which is applied in the field of film material processing, and can solve the problems of general weather resistance and adhesion stability, easy peeling and residue, etc.

Inactive Publication Date: 2022-01-07
安徽鼎洋生物基材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The prior art PE protective film for artificial marble desktops has good inertness and adhesion performance, but the weather resistance and stability of sticking force are average. After a long time, it is easy to remain when peeling off.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An easy-to-peel protective film for artificial marble, the composition of raw materials in parts by weight is as follows: 80 parts of polyethylene, 20 parts of polyolefin, 2 parts of 2,5-furandicarboxylic acid, 0.5 part of antioxidant, 0.5 part of plasticizer, lubricating 0.5 parts of the agent. The polyethylene is low-density polyethylene, protective film thickness: 0.05-0.13mm; peel strength: 0.06-0.07KN / M; tensile strength: 600-800Mpa; elongation at break: 150-180%; temperature resistance : Less than or equal to 60°C.

[0028] Example 1 The preparation method of an easy-to-peel protective film for artificial marble. Weigh each raw material according to the weight portion, mix and stir evenly, add it to a co-extrusion blown film machine for blow molding, and roll it after cooling to obtain the transparent film. Ultra-high strength PE film. The blow molding temperature is 150°C.

Embodiment 2

[0030] An easy-to-peel protective film for artificial marble, characterized in that: the composition of raw materials in parts by weight is as follows: 100 parts of polyethylene, 30 parts of polyolefin, 5 parts of 2,5-furandicarboxylic acid, 1.5 parts of antioxidant, plasticizer 1.5 parts, lubricant 1.0 parts.

[0031] The polyethylene is medium-density polyethylene, the thickness of the protective film: 0.05-0.13mm; the peel strength: 0.08-0.11KN / M; the tensile strength: 600-1000Mpa; the elongation at break: 180-200%; : Less than or equal to 60°C.

[0032] Example 2 The preparation method of an easy-to-peel protective film for artificial marble. Weigh each raw material according to the weight portion, mix and stir evenly, add it to a co-extrusion blown film machine for blow molding, and roll it after cooling to obtain the transparent film. Ultra-high strength PE film. The blow molding temperature is 170°C.

Embodiment 3

[0034] An easy-to-peel protective film for artificial marble, characterized in that: the composition of raw materials in parts by weight is as follows: 90 parts of polyethylene, 25 parts of polyolefin, 3 parts of 2,5-furandicarboxylic acid, 1 part of antioxidant, plasticizer 1 part, 0.5 parts of lubricant, the polyethylene is low-density polyethylene, protective film thickness: 0.05-0.13 mm; peel strength: 0.06-0.07KN / M; tensile strength: 600-800Mpa; elongation at break: 150-180%; temperature resistance: less than or equal to 60 ℃.

[0035] Example 3 The preparation method of an easy-to-peel protective film for artificial marble. Weigh each raw material according to the weight portion, mix and stir evenly, add it to a co-extrusion blown film machine for blow molding, and wind it after cooling to obtain the transparent film. Ultra-high strength PE film. The blow molding temperature is 160°C.

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Abstract

The invention relates to an easy-to-peel protective film for artificial marble and a preparation method of the easy-to-peel protective film. The easy-to-peel protective film comprises the following raw materials in parts by weight: 80-100 parts of polyethylene, 20-30 parts of polyolefin, 2-5 parts of 2, 5-furandicarboxylic acid, 0.5-1.5 parts of an antioxidant, 0.5-1.5 parts of a plasticizer and 0.5-1.0 part of a lubricant. Through practice, the inventor of the application finds that polyethylene, polyolefin and 2, 5-furandicarboxylic acid are combined for use and cooperate with one another, so that the defects are overcome. And the prepared protective film is excellent in strength and toughness, has better weather resistance and permanent adhesion stability, is not obviously increased in stripping force after being pasted for several days or for a long time, is easy to tear off, and does not have residual glue and pictures on the artificial marble table top when being torn off.

Description

technical field [0001] The invention relates to an easily peelable protective film for artificial marble and a preparation method thereof, belonging to the technical field of film material processing. Background technique [0002] Artificial marble is made of natural marble or granite crushed stones as filler, cement, gypsum and unsaturated polyester resin as binder, and is made after stirring, grinding and polishing. So artificial marble has many characteristics of natural marble. For example, because artificial marble can be adjusted manually, it has various colors, good flexibility, no obvious connection treatment, very strong overall sense, and is colorful, with ceramic luster, high surface hardness, not easy to damage, corrosion resistance, high temperature resistance, And it is very easy to clean. [0003] PE protective film for artificial marble desktops, PE is the simplest structure of high molecular organic compounds. PE protective film is based on polyethylene (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L45/00C08K5/1535C08J5/18
CPCC08J5/18C08J2323/06C08J2445/00C08K5/1535
Inventor 顾程松张健张毅倩
Owner 安徽鼎洋生物基材料有限公司