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Transparent non-woven fabric adhesive tape and preparation method thereof

A technology of non-woven fabrics and tapes, applied in the direction of adhesives, adhesive types, film/sheet adhesives, etc., which can solve problems such as high cost, affecting the appearance of finished products, and whitening of glue, and achieve low cost and good quality. The effect of appearance

Active Publication Date: 2021-04-23
NINGBO SOKEN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] First, UV curing is often used, but compared with thermal curing, the cost will be higher;
[0005] Second, the core material is PET, which has a high cost, and if defects such as bubbles are generated during the coating process, it will affect the appearance of the final product;
[0006] Third, more tackifying resins are used. The commonly used tackifying resins are colored, and the tackifying resins will have problems such as glue whitening due to compatibility problems, which will affect the transparency of the final product.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Transparent non-woven fabric adhesive tape and preparation method thereof
  • Transparent non-woven fabric adhesive tape and preparation method thereof
  • Transparent non-woven fabric adhesive tape and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1～9 and comparative example 1～10

[0035] (1) Add acrylic acid, methacrylic acid, 2-ethylhexyl acrylate, n-butyl acrylate, and hexyl acrylate into the reaction furnace and stir according to mass percentage; heat the mixture in the furnace to 80-90°C, and add dropwise Initiator; after dropping, react at constant temperature for 3-5 hours; add solvent to adjust viscosity to ensure uniform dispersion of solvent; cool down to 45-55°C, discharge to obtain the required acrylate prepolymer;

[0036] (2) Mix the acrylate prepolymer prepared above with an antioxidant, an ultraviolet absorber, and a curing agent in parts by mass to obtain an acrylate solvent-based pressure-sensitive adhesive;

[0037] (3) Coat the acrylate solvent-based pressure-sensitive adhesive prepared above evenly on the release paper, and after drying, compound with non-woven fabric and wind up to obtain the first project, the acrylate solvent-based adhesive prepared above The pressure-sensitive adhesive is evenly coated on the release paper, and a...

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Abstract

The invention discloses a transparent non-woven fabric adhesive tape, which comprises a base material layer, an adhesive layer covering the base material layer and a release layer for protecting the adhesive layer, and is characterized in that: the base material layer is a non-woven fabric, the adhesive layer is an acrylate solvent type pressure-sensitive adhesive, and the release layer is release paper; the acrylate solvent type pressure-sensitive adhesive is prepared from the following raw materials by mass: 100 parts of an acrylate prepolymer, 0.5-2 parts of an antioxidant, 0.5-2 parts of an ultraviolet absorbent and 0.5-3 parts of a curing agent; wherein the curing agent is an epoxy curing agent. The invention further discloses a preparation method of the transparent non-woven fabric adhesive tape. Compared with the prior art, the transparent non-woven fabric adhesive tape has high light transmittance and good viscosity.

Description

technical field [0001] The invention relates to the technical field of transparent tapes, in particular to a transparent non-woven tape and a preparation method thereof. Background technique [0002] In some special occasions, it is necessary to use transparent double-sided tape for bonding, such as the bonding between two pieces of glass. On the market, there are many double-sided tapes that use PET core materials. For details, please refer to the invention patent "A PET-based Halogen-free Flame-Retardant Transparent Tape" with the patent application number CN201911173195.9 (publication number CN111019551A). [0003] It is understood that for PET core double-sided tape: [0004] First, UV curing is often used, but compared with thermal curing, the cost will be higher; [0005] Second, the core material is PET, which has a high cost, and if defects such as bubbles are generated during the coating process, it will affect the appearance of the final product; [0006] Third,...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/21C09J7/38C09J133/08C09J11/06
CPCC09J7/21C09J7/385C09J133/064C09J11/06C09J2400/263C09J2433/00
Inventor 何贤杰周文燕虞竺君
Owner NINGBO SOKEN CHEM
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