SIS-b-PEO hot-melt pressure-sensitive adhesive and preparation method thereof

A hot-melt pressure-sensitive adhesive, sis-b-peo technology, applied in adhesives, adhesive types, polyether adhesives, etc., can solve the problem of affecting the adhesion performance of hot-melt pressure-sensitive adhesives and weakening system compatibility And other issues

Inactive Publication Date: 2015-03-25
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, whether it is introducing polar groups on the diene block or adding hydrophilic components to the system, it will significantly weaken the compatibility of the system and affect the adhesion performance of hot-melt pressure-sensitive adhesives.

Method used

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  • SIS-b-PEO hot-melt pressure-sensitive adhesive and preparation method thereof
  • SIS-b-PEO hot-melt pressure-sensitive adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] As a comparative test, the commercially available SIS was used to prepare SIS-based hot-melt pressure-sensitive adhesive, and the specific steps were as follows: 2 In an airtight container, 80-100 parts by weight of C5 petroleum resin, 10-30 parts by weight of mineral oil and 1.0-2.0 parts by weight of antioxidant tetrakis[β-(3,5-di-tert-butyl -4-Hydroxyphenyl)propionic acid]pentaerythritol ester melted at 120-150°C for 10-20 minutes, then added 50-70 parts by weight of SIS, melted and mixed at 140-180°C for 10-30 minutes, and melted directly Coating, the adhesion performance is tested by the national standard (GB / T4851-1998), and the adhesion performance results are shown in the attached table.

[0019] Attached Table Adhesion Properties of Hot Melt Pressure Sensitive Adhesives

[0020]

Embodiment 2

[0022] The preparation of SIS-b-PEO-based hot-melt pressure-sensitive adhesive, the specific steps are as follows: 2 In an airtight container, 80-100 parts by weight of C5 petroleum resin, 10-30 parts by weight of mineral oil and 1.0-2.0 parts by weight of antioxidant tetrakis[β-(3,5-di-tert-butyl -4-Hydroxyphenyl)propionic acid]pentaerythritol ester was melted and mixed at 120-150°C for 10-20 minutes, and then, 50-70 parts by weight of SIS-b-PEO with an ethylene oxide block content of 5wt% was added The copolymer is melt-mixed at 140-180°C for 10-30 minutes, and directly melt-coated. The adhesion performance is tested by the national standard (GB / T4851-1998). The adhesion performance results are shown in the attached table.

Embodiment 3

[0024] The preparation of SIS-b-PEO-based hot-melt pressure-sensitive adhesive, the specific steps are as follows: 2 In an airtight container, 80-100 parts by weight of C5 petroleum resin, 10-30 parts by weight of mineral oil and 1.0-2.0 parts by weight of antioxidant tetrakis[β-(3,5-di-tert-butyl -4-Hydroxyphenyl)propionic acid]pentaerythritol ester was melt-mixed at 120-150°C for 10-20 minutes, and then, 50-70 parts by weight of SIS-b-PEO with an ethylene oxide block content of 10wt% was added The copolymer is melt-mixed at 140-180°C for 10-30 minutes, and directly melt-coated. The adhesion performance is tested by the national standard (GB / T4851-1998). The adhesion performance results are shown in the attached table.

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Abstract

The invention discloses an SIS-b-PEO hot-melt pressure-sensitive adhesive and a preparation method thereof, and belongs to the technical field of hot-melt pressure-sensitive adhesives. The SIS-b-PEO hot-melt pressure-sensitive adhesive is characterized in that a polar ethylene oxide block is connected to a chain terminal of an SIS molecular chain and used as a part of an SIS-b-PEO molecule, so that a polar plastic phase is formed, and a dialkene block structure and a phase structure of a thermoplastic elastomer SIS-b-PEO are not changed. The SIS-b-PEO hot-melt pressure-sensitive adhesive disclosed by the invention has the effects and advantages that the ethylene oxide block has an effect of increasing the polarity of the hot-melt pressure-sensitive adhesive and enhancing the effect between the hot-melt pressure-sensitive adhesive and a polar adhered object without causing adverse effects to the compatibility between a dialkene phase and a thickening agent and the adhesion property of the hot-melt pressure-sensitive adhesive.

Description

technical field [0001] The invention belongs to the technical field of hot-melt pressure-sensitive adhesives, and relates to a styrene-isoprene-styrene-ethylene oxide multi-block copolymer (SIS-b-PEO)-based hot-melt pressure-sensitive adhesive and a preparation method thereof . Background technique [0002] Styrene-based hot-melt pressure-sensitive adhesive is a kind of adhesive based on styrene-based thermoplastic elastomer, which has dual characteristics of hot-melt and pressure-sensitive. bonding. Because there is no solvent in the production process, the production automation is high and the cost is low, it is widely used in packaging, daily necessities, medical and health and other fields. Styrene-based hot-melt pressure-sensitive adhesives are mainly composed of styrene-based thermoplastic elastomers, tackifying resins, plasticizers and antioxidants. Among them, the commonly used styrene-based thermoplastic elastomers mainly include styrene- Thermoplastic elastomers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J157/02C09J153/02C09J171/02C09J11/06
Inventor 赵忠夫周雍森张春庆王占岳李战胜
Owner DALIAN UNIV OF TECH
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