A kind of release silicone oil that can improve pek substrate anchoring property and preparation method thereof

A release and anchoring technology, applied in the direction of coating, etc., can solve the problems of hindering the adhesion of solvent-free release silicone oil coating and coating layer, desiliconization, coating peeling off, etc., achieve high residual adhesion rate and increase anchoring Sexuality, coating smooth and dry effect

Active Publication Date: 2022-03-25
惠州市永卓科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there are many grades of PE particles used in the PEK coating of the coated paper, some PE particles contain more plasticizers and slippery agents, and the plasticizers and slippery agents will form a kind of isolation in the PE coating layer. layer, which hinders the bonding of the solvent-free release silicone oil coating and the coating layer, so coating peeling and desiliconization often occur

Method used

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  • A kind of release silicone oil that can improve pek substrate anchoring property and preparation method thereof
  • A kind of release silicone oil that can improve pek substrate anchoring property and preparation method thereof
  • A kind of release silicone oil that can improve pek substrate anchoring property and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 40 parts of cyclosiloxane containing acryloxypropyl and vinyl groups, 59.8 parts of polydimethylsiloxane, 0.2 parts of alkynyl alcohol, 10 parts of crosslinking agent, 2 parts of anchoring agent, and 2 parts of chelate compound.

[0032] Among them, cyclosiloxane containing acryloyloxypropyl group and vinyl group, polydimethylsiloxane, and alkynyl alcohol are used as the main agent of the release silicone oil.

[0033] Among them, the cyclosiloxane containing acryloyloxypropyl and vinyl contains the following components in parts by weight: 462 parts of methylvinyldimethoxysilane, acryloyloxypropylmethyldimethoxysilane 180 parts of methoxysilane, 160 parts of water, and 1 part of methanesulfonic acid.

[0034] Wherein, the structural formula of cyclosiloxane containing acryloyloxypropyl and vinyl is: Wherein, a is 0-3, b is 1-4, and a+b+c is 5-10. In this example, cyclosiloxane containing acryloxypropyl and vinyl groups is used as one of the main ingredients of the re...

Embodiment 2

[0052] The difference between this embodiment and embodiment 1 is:

[0053] 30 parts of cyclosiloxane containing acryloxypropyl and vinyl groups, 57.6 parts of polydimethylsiloxane, 0.4 parts of alkynyl alcohol, 6 parts of crosslinking agent, 1 part of anchoring agent, and 1 part of chelate compound.

[0054] Among them, the cyclosiloxane containing acryloxypropyl and vinyl contains the following components in parts by weight: 452 parts of methylvinyldimethoxysilane, acryloyloxypropylmethyldimethoxysilane 170 parts of methoxysilane, 150 parts of water, and 0.8 parts of methanesulfonic acid.

[0055] Among them, the viscosity of polydimethylsiloxane is 200 mPa·s.

[0056] Wherein, the mass ratio of the first crosslinking agent to the second crosslinking agent is 3:1.

[0057] Wherein, the first crosslinking agent is polymethylsiloxane with a hydrogen content of 1.1%, and its viscosity at 25° C. is 50 mPa·s.

[0058] Wherein, the first crosslinking agent comprises the followi...

Embodiment 3

[0062] The difference between this embodiment and embodiment 1 is:

[0063] 50 parts of cyclosiloxane containing acryloxypropyl and vinyl groups, 61.6 parts of polydimethylsiloxane, 0.4 parts of alkynyl alcohol, 14 parts of crosslinking agent, 3 parts of anchoring agent, and 3 parts of chelate compound.

[0064] Among them, the cyclosiloxane containing acryloyloxypropyl and vinyl contains the following components in parts by weight: 472 parts of methylvinyldimethoxysilane, acryloyloxypropylmethyl dimethoxysilane 190 parts of methoxysilane, 170 parts of water, and 1.2 parts of methanesulfonic acid.

[0065] Among them, the viscosity of polydimethylsiloxane is 1000 mPa·s.

[0066] Wherein, the mass ratio of the first crosslinking agent to the second crosslinking agent is 5:1.

[0067] Wherein, the first crosslinking agent is polymethylsiloxane with a hydrogen content of 1.3%, and its viscosity at 25° C. is 60 mPa·s.

[0068] Wherein, the first crosslinking agent comprises the...

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Abstract

The present invention relates to the technical field of release silicone oil, in particular to a solvent-free release silicone oil that can improve the anchorage of PEK substrates and a preparation method thereof, including the following components: cyclosilicon containing acryloyloxypropyl and vinyl Oxane, Dimethicone, Alkynyl Alcohol, Crosslinker, Anchoring Agent, and Platinum-Tetramethyldivinyl Chelate. The invention greatly increases the anchorage of the release silicone oil to the PEK substrate, and the prepared release silicone oil has good curability, no desiliconization phenomenon, and has a very light peeling force, which can be adapted to high-speed peeling, fast labeling and other applications At the same time, it has little effect on the adhesive layer of the adhesive, and the adhesive layer still has a high adhesion after peeling off the release silicone oil coating.

Description

technical field [0001] The invention relates to the technical field of release silicone oil, in particular to a solvent-free release silicone oil capable of improving the anchorage of PEK substrates and a preparation method thereof. Background technique [0002] The release silicone oil is mainly divided into solvent-type release silicone oil and solvent-free release silicone oil. Since the solvent-type release silicone oil itself contains solvent, a large amount of solvent needs to be added during use, which is harmful to the environment and personnel. was gradually eliminated. The solvent-free release silicone oil product itself is non-toxic and non-polluting, and does not require the use of solvents during use, and has no pollution to the environment and no toxic effects on personnel. [0003] At present, solvent-free release silicone oil is suitable for paper substrates such as glassine paper and coated paper PEK. Among them, the adaptability and anchorage to glassine ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/04C09D183/07C09D5/20C09D7/65
CPCC09D183/04C09D5/20C09D7/65C08L2205/035C08L2205/025C08L83/04
Inventor 王细平
Owner 惠州市永卓科技有限公司
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