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Matt paint face protection film

A technology of protective film and matte paint, applied in the direction of film/flake adhesive, coating, adhesive, etc., can solve the problem of inability to apply car paint protection film and thermal curing self-healing coating, etc. , to achieve the effect of improving antifouling performance, good matte effect and good durability

Active Publication Date: 2019-05-10
HEFEI LUCKY SCI & TECH IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this method is only suitable for UV-cured coatings, and the self-healing effect of existing UV-cured self-healing coatings is far from the effect of heat-cured self-healing coatings, and cannot be applied to automotive paint surfaces protective film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] (1) Preparation of semi-finished paint protection film:

[0040] On a translucent polyester release film with a thickness of 30 μm, use known technology to obtain an assembly glue with a thickness of 10 μm, and then laminate it with a polyvinyl chloride film with a thickness of 100 μm, and roll it to obtain a semi-finished paint protection film for use. .

[0041] (2) Preparation of self-healing coating solution:

[0042]

[0043]

[0044] Add 30 kg of modified polyol resin [LCR-100, NATOCO], 1.5 kg of elastic organic particles [polybutyl acrylate, average particle size 1 μm, Sekisui Chemical], 0.5 kg of reactive leveling agent in the container [BYK-370, BYK], 0.2 kg of metal drier [organotin drier DY-12, Deyin Chemical] and 60 kg of toluene, stirred at high speed for 30 minutes. Add 6.7 kg of curing agent 1 [hexamethylene diisocyanate, Asahi Kasei] and 3.3 kg of curing agent 2 [isophorone diisocyanate, Evonik] 30 minutes before coating, stir at high speed for 10 ...

Embodiment 2

[0048] (1) Preparation of semi-finished paint protection film:

[0049] On a translucent polyester release film with a thickness of 38 μm, an assembly glue with a thickness of 20 μm was obtained by known technology, and then laminated with a thermoplastic polyurethane film with a thickness of 150 μm, and rolled to obtain a semi-finished paint protection film for use.

[0050] (2) Preparation of self-healing coating solution:

[0051]

[0052] Add 35 kg of modified polyol resin [HFC-PNS1, HARIMA], 3.0 kg of elastic organic particles [polyurethane, average particle size 5 μm, root resin], 1.0 kg of reactive leveling agent [Silok-359] into the container , Sloco], 0.27 kg of metal drier [organic bismuth drier B1610, Casol additive] and 51 kg of ethyl acetate, stirred at high speed for 30 min. Add 10.2 kg of curing agent 1 [trimethylhexamethylene diisocyanate, BASF] and 3.8 kg of curing agent 2 [dicyclohexylmethane-4,4'-diisocyanate, Wanhua] 30 minutes before coating, and stir ...

Embodiment 3

[0056] (1) Preparation of semi-finished paint protection film:

[0057] On a translucent polyester release film with a thickness of 50 μm, use known technology to obtain an assembly glue with a thickness of 30 μm, and then laminate it with a thermoplastic polyurethane film with a thickness of 200 μm, and roll it to obtain a semi-finished paint protection film for use.

[0058] (2) Preparation of self-healing coating solution:

[0059]

[0060] Add 40 kg of modified polyol resin [TRE-2-S2, ASIA], 4.5 kg of elastic organic particles [nylon, average particle size 8 μm, BASF], 1.5 kg of reactive leveling agent [Teck- 2110, Tiger], 0.35 kg of metal drier [rare earth drier B-18, Kasol additive] and 42 kg of acetone, stirred at high speed for 30 min. Add 13.6 kg of curing agent 1 [xylylene diisocyanate, mol] and 3.9 kg of curing agent 2 [cyclohexane dimethylene diisocyanate, Mitsui Takeda] 30 minutes before coating, stir at high speed for 10 minutes, and wait use.

[0061] (3) ...

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Abstract

The invention discloses a matt paint face protection film which comprises a transparent supporting body. A matt self-repair layer and a transparent protection film are sequentially arranged on one optical surface of the transparent supporting body, assembly glue and a semi-transparent release film are sequentially arranged on another optical surface of the transparent supporting body, the matt self-repair layer is formed by coating self-repair coating liquid and then heating for curing, the self-repair coating liquid contains elastic organic particles, modified polyol resin, curing agent and other components, particle size of the elastic organic particles is 1-5um, and the curing agent is formed by mixing a curing agent 1 and a curing agent 2 according to a proportion of 2:1-5:1. The mattpaint face protection film is high in matt effect and self-repair effect, has yellowing resistance and antifouling performance and can be applied in the field of paint face protection of automobile surfaces.

Description

technical field [0001] The invention relates to the field of film technology, in particular to a paint protection film attached to the surface of an automobile. Background technique [0002] Car paint protection film, also known as "invisible car cover", is a layer of transparent protective film attached to the surface paint of the car to protect the original car paint of the car from damage. This product has strong toughness and self-healing function, which can effectively prevent scratches and sand hits, and also isolates the contact between the car paint and the air, and can prevent acid rain, asphalt, bird droppings, etc. from damaging the paint surface . At the same time, the paint protection film is high-definition and bright, which can improve and protect the color and luster of the car paint surface. [0003] In order to meet individual needs, the demand for matte paint protection film is now proposed. Generally, there are two methods for the production process of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/29C09D175/04C09D7/65C08J7/04C08L27/06
Inventor 刘玉磊王辉李钢锁范义胜胡鑫
Owner HEFEI LUCKY SCI & TECH IND
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