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High-flame-resistant foam tape

A high flame-retardant, foam technology, applied in the direction of adhesives, film/sheet adhesives, etc., can solve the problems that are not suitable for the automotive field, and achieve excellent wettability, high elongation, and high strength.

Inactive Publication Date: 2017-11-07
东莞市哲华电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most of the foam tapes on the market are mainly made of EVA, PE, CR and other materials, which are not suitable for use in the automotive field with higher standards.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The manufacture method of foam adhesive tape provided by the invention is as follows:

[0018] Step S1, perform polyurethane affinity treatment on the TPV film 1, and corona treat the TPV film 1 with a voltage of 300V; apply the one-component polyurethane glue produced by the applicant on the TPV with a coating amount of 100 g / m2 On the film, the one-component polyurethane glue is specifically prepared by referring to the method disclosed in the invention patent No. 201110381253.4 applied by the applicant, and the coated one-component polyurethane glue is the bonding layer 2; then, at 90 ℃ temperature drying, drying time is 8 minutes.

[0019] Step S2, adding 10%-30% of the hydrolysis-resistant component and 1%-2% of the foam regulator to the water-based polyurethane emulsion in sequence to form a polyurethane mixture; mixing the hydrolysis-resistant component, the foam regulator and the color paste in Together, stir with a mixer at low speed, and adjust the solution t...

Embodiment 2

[0025] Step S1, perform polyurethane affinity treatment on TPV film 1, and corona treat TPV film 1 with a voltage of 500V; apply the one-component polyurethane glue produced by the applicant on the TPV with a coating amount of 200 g / m2 On the film, the one-component polyurethane glue is specifically prepared by referring to the method disclosed in the invention patent No. 201110381253.4 applied by the applicant, and the coated one-component polyurethane glue is the bonding layer 2; then, at 90 Dry at -120°C for 8 minutes.

[0026] Step S2, adding 10%-30% of the hydrolysis-resistant component and 1%-2% of the foam regulator to the water-based polyurethane emulsion in sequence to form a polyurethane mixture; mixing the hydrolysis-resistant component, the foam regulator and the color paste in Together, stir with a mixer at low speed, and adjust the solution to the specified viscosity with a viscosity modifier.

[0027] In step S3, the PE film is subjected to release treatment in...

Embodiment 3

[0032] Step S1, perform polyurethane affinity treatment on TPV film 1, and corona treat TPV film 1 with a voltage of 400V; apply the one-component polyurethane glue produced by the applicant on the TPV with a coating amount of 1500 g / m2 On the film, the one-component polyurethane glue is specifically prepared by referring to the method disclosed in the invention patent No. 201110381253.4 applied by the applicant, and the coated one-component polyurethane glue is the bonding layer 2; then, at 90 Dry at -120°C for 5-8 minutes.

[0033] Step S2, adding 10%-30% of the hydrolysis-resistant component and 1%-2% of the foam regulator to the water-based polyurethane emulsion in sequence to form a polyurethane mixture; mixing the hydrolysis-resistant component, the foam regulator and the color paste in Together, stir with a mixer at low speed, and adjust the solution to the specified viscosity with a viscosity modifier.

[0034] In step S3, the PE film is prepared with release treatmen...

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PUM

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Abstract

The invention belongs to the technical field of high-flame-resistant foam material, and especially relates to a preparation method of a high-flame-resistant foam tape. The high-flame-resistant foam tape comprises a TPV film, a bonding layer, a foam layer, a pressure-sensitive adhesive layer, and a PE film. The preparation method comprises following steps: 1, the TPV film is subjected to polyurethane affinity treatment, and the surface of the TPV film is coated with a single-component polyurethane glue to form the bonding layer; b, 10 to 30% of a hydrolysis resistant ingredient and 1 to 2% of a foam regulator are added into an aqueous polyurethane emulsion successively so as to obtain a polyurethane mixed solution; c, the PE film is subjected to polyurethane release treatment; d, foaming of the polyurethane mixed solution on the TPV film is carried out at 100 to 120 DEG C so as to form the foam layer; and e, the foam layer is coated with the pressure-sensitive adhesive so as to bond the PE film with the polyurethane foam layer. The aqueous polyurethane foam tape prepared via the preparation method is excellent in elastic resilience, and high in percentage elongation and strength, and is friendly to the environment; and anti-aging time is long.

Description

technical field [0001] The invention relates to the technical field of high flame-retardant foam materials, in particular to a preparation method of a high flame-retardant foam tape. Background technique [0002] Foam tape adopts advanced automatic continuous coating line, and uses PU, PE, EVA, XPE, EPDM, rubber and plastic, needle felt, hot-melt felt and other foam as the base material to coat various High-quality self-adhesive with various high-quality auxiliary materials, soft, heat-insulating, heat-preserving, and sealing adhesive tapes compounded by special processes; adhesive tapes are divided into two types: closed-cell and open-cell; widely used in automobiles , air-conditioning refrigeration and interior decoration of ships; air duct joints and dampers of automobile air conditioners and civil air conditioners; cement joints of urban buildings, sealing and heat insulation of doors and windows, etc.; it has the characteristics of firm adhesion and quick and convenient...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/02
CPCC09J2301/302C09J2301/41C09J2400/226C09J2423/045C09J2475/006
Inventor 高雄
Owner 东莞市哲华电子有限公司
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