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Fluoride bearing release agent and release paper with release coating formed thereby

A release agent, methyl technology, applied in the field of release paper for release coating, can solve the problem of solvent resistance, release stability and repeated use times are not ideal, solvent resistance and high temperature resistance are not good, difficult to achieve. Heat resistance requirements and other issues, to achieve the effects of excellent chemical stability, stable release properties, and improved solvent resistance

Inactive Publication Date: 2009-08-05
浙江池河科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the production of artificial leather, the release paper has to withstand the oven temperature of 160-210 ° C. It is difficult for the release agent based on general resin to meet such heat resistance requirements, and the embossing quality is poor.
Non-resin release agents have certain advantages in heat resistance, but the products currently on the market are still not ideal in terms of solvent resistance, release stability and repeated use times
At present, the release paper developed in China generally has disadvantages such as low hardness, poor solvent resistance and high temperature resistance, poor release performance, and low number of reuses. Further exploration of the composition and compounding of the release agent is required.

Method used

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  • Fluoride bearing release agent and release paper with release coating formed thereby
  • Fluoride bearing release agent and release paper with release coating formed thereby
  • Fluoride bearing release agent and release paper with release coating formed thereby

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Add 100g of commercially available epoxy resin (E-32) with an epoxy value of 0.32 (in the present invention, the manufacturer is Shengli Oilfield Fangyuan Anticorrosion Material Co., Ltd.) through anhydrous and oxygen-free treated reactor, use 100ml After tetrahydrofuran or ether is dissolved, then add 0.17mol of hexafluoropropylene oxide oligomer (polymerization degree is 2) and react at room temperature for 3 to 6 hours, distill and recover the solvent to obtain the fluoropropylene oxide of the present invention as shown in the general formula Substitute epoxy resin (component c), where n is 1 and m is 0 in the general formula.

[0046] In parts by weight, take 30 parts of isodecyl acrylate, 5 parts of perfluoroalkyl ethyl methacrylate (ZonylTM), 20 parts of methoxypolyethylene glycol 350 monomethacrylate, 20 parts of Tripropylene glycol diacrylate, 10 parts of trimethylolpropane triacrylate, 5 parts of the above-mentioned fluorinated epoxy resin, 5 parts of Irgacure1...

Embodiment 2

[0051] In parts by weight, 35 parts of isodecyl acrylate, 20 parts of methoxy polyethylene glycol 350 monomethacrylate, 20 parts of tripropylene glycol diacrylate, 5 parts of trimethylolpropane triacrylate , 10 parts of fluorinated epoxy resins, 5 parts of Irgacure 184, 5 parts of diethylenetriamine prepared by the method of Example 1. Prepare fluorine-containing release agent by the method of embodiment 1.

[0052] The corresponding release paper was prepared according to the method of Example 1.

Embodiment 3

[0054] In parts by weight, 30 parts of 2-ethylhexyl (meth)acrylate, 5 parts of isobornyl acrylate, 5 parts of perfluoroalkyl ethyl methacrylate (Zonyl TM), 15 parts of β- Carboxyethyl acrylate (Acticryl CL-960 of SNPE), 20 parts of tripropylene glycol diacrylate, 10 parts of trimethylolpropane triacrylate, 5 parts of fluorinated epoxy resin prepared by the method of Example 1 Resin, 5 parts Irgacure 184, 5 parts diethylenetriamine. Prepare fluorine-containing release agent by the method of embodiment 1.

[0055] The corresponding release paper was prepared according to the method of Example 1.

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Abstract

The invention discloses a model releasing agent containing fluorine. The model releasing agent comprises the following components : (a) (methyl) crylic acid C1-C10 alkyl ester or (methyl) acrylic acid fluoro C1-C10 alkyl ester, (b) (methyl) acrylic ester or methoxyl group polyethylene glycol monomethacrylate containing two or three (methyl) acrylic ester groups, (c) fluoro epoxide resin, (d) evocating agent, and (e) cross linker. The invention also discloses a piece of releasing paper which is formed by base paper 1 as well as a bottom coating 2 and a releasing coating 3, wherein the bottom coating 2 and the releasing coating 3 are sequentially attached to the base paper 1, and the releasing coating is formed by solidifying the coating of the model releasing agent containing fluorine. The releasing paper has moderate hardness, stable releasing property, frequent use as well as favorable performances of solvent durability and high-temperature durability.

Description

technical field [0001] The present invention relates to a release agent and the release paper of the release coating based on the release agent, in particular to a release agent for leather production and a release coating based on the release agent Release paper. Background technique [0002] The release paper used for leather production belongs to a special coated release paper, which is the carrier and temporary template for the manufacture of polyurethane synthetic leather (PU leather) and polyvinyl chloride artificial leather (PVC leather). The release paper usually has a two-layer structure: the first layer is the base paper as the substrate, and the second layer is the release coating. The general manufacturing method is to apply a layer of primer on the base paper to prevent the penetration of the release agent, then apply the release agent, emboss and solidify, and form a release coating on the primer. The composition, compounding and curing technology of the rele...

Claims

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Application Information

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IPC IPC(8): C08L33/08C08L33/10C08L33/14C08L33/16B32B33/00
Inventor 陈耀祖江黎明
Owner 浙江池河科技有限公司
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