CN104449494A - SIS-b-PEO hot-melt pressure-sensitive adhesive and preparation method thereof - Google Patents
SIS-b-PEO hot-melt pressure-sensitive adhesive and preparation method thereof Download PDFInfo
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- CN104449494A CN104449494A CN201410617811.6A CN201410617811A CN104449494A CN 104449494 A CN104449494 A CN 104449494A CN 201410617811 A CN201410617811 A CN 201410617811A CN 104449494 A CN104449494 A CN 104449494A
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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
The invention belongs to technical field of hot-melt pressure-sensitive adhesive, relate to a kind of styrene-isoprene-phenylethene-oxyethane segmented copolymer (SIS-b-PEO) base hot-fusible pressure-sensitive adhesive and preparation method.
Background technology
Styrene-series hot-melt pressure-sensitive adhesive is a kind of tackiness agent based on polystyrene thermoplastic elastomer, has hot melt and pressure-sensitive dual nature concurrently, can be coated with in the molten state, and cooling after-applied light pressure can bond fast.Due to solvent-free in its production process, production automation degree is high and cost is lower, is all widely used in fields such as packaging, daily necessities and health cares.Styrene-series hot-melt pressure-sensitive adhesive is primarily of polystyrene thermoplastic elastomer, tackifying resin, softening agent and oxidation inhibitor four part composition, wherein, the polystyrene thermoplastic elastomer of usual employing mainly comprises styrene isoprene styrene block copolymer (SIS) (SIS), styrene-butadiene-styrene block copolymer (SBS) and their hydrogenation modified form segmented copolymer (SEBS, the thermoplastic elastomer such as SEPS), its diene block and hydrogenated diene hydrocarbon block give thermoplastic elastomer good visco-elasticity, they itself do not have pressure-sensitive characteristic, but by combining with auxiliary agents such as tackifying resins and giving system pressure-sensitive character.Styrene block be then dispersed in alkene mutually in, the point of the physical crosslinking under hot-fusible pressure-sensitive adhesive working conditions is not only provided, but also is the key point that hot-fusible pressure-sensitive adhesive can carry out machine-shaping under hot melt condition.Traditional styrene-series hot-melt pressure-sensitive adhesive is nonpolar, significantly limit their application in different field.In recent years, the Modified with Polar Monomer of people to hot-fusible pressure-sensitive adhesive has done large quantifier elimination, mainly be divided into physically modified and chemical modification, wherein, chemical modification applies more method, as grafting, sulfonation, bromination, epoxidation etc., by polar group being incorporated on SIS main chain, with improve SIS hot-fusible pressure-sensitive adhesive polarity and and polar material between adhesion property.Chinese patent 102580101A and Chinese patent ZL201210022935.0 changes the lipotropy feature of pressure sensitive adhesive by introducing polar group in the diene block of SIS multipolymer.Patent CN101899276A adopts SIS, C5 resin, mineral oil, acrylic resin, polyoxyethylene glycol and oxidation inhibitor etc. to prepare amphiphilic hot-melt pressure sensitive adhesive.But, no matter be in diene block, introduce polar group or add hydrophilic composition in system, all significantly weaken the consistency of system, affect the adhesion property of hot-fusible pressure-sensitive adhesive.
Summary of the invention
The object of this invention is to provide a kind of polarity styrene-series hot-melt pressure-sensitive adhesive.Its polar component is connected to the end of the chain of SIS molecular chain with the form of ethylene oxide block, new hydrophilic plastic phase is formed together with vinylbenzene, do not change diene block structure and the phase structure of thermoplastic elastomer SIS-b-PEO, improve the polarity of hot-fusible pressure-sensitive adhesive, strengthen the intermolecular forces with polarity adherend.
Technical scheme of the present invention be with the SIS-b-PEO with polar ethylene oxide block for melt pressure sensitive gel matrix, be equipped with the preparation such as tackifying resin, softening agent and oxidation inhibitor polarity hot-fusible pressure-sensitive adhesive.
Technical scheme of the present invention is that polarity polystyrene thermoplastic elastomer base hot-fusible pressure-sensitive adhesive composition is as follows:
A) the SIS-b-PEO multipolymer of 30 ~ 100 parts by weight, the number-average molecular weight of the styrene block of described SIS-b-PEO multipolymer is 1 × 10
4~ 3 × 10
4, the number-average molecular weight of diene block is 5 × 10
4~ 7 × 10
4, the number-average molecular weight of ethylene oxide block is 1 × 10
3~ 1 × 10
4, the weight ratio that ethylene oxide block accounts for SIS-b-PEO multipolymer is 1 ~ 20wt%;
B) tackifying resin of 50 ~ 150 parts by weight, described tackifying resin is selected from petroleum resin, terpine resin, rosin or its composition.
C) softening agent of 0 ~ 60 parts by weight, described softening agent is selected from mineral oil, whiteruss, white oil or its composition.
D) oxidation inhibitor of 0.5 ~ 4.0 parts by weight, described oxidation inhibitor is selected from N, N-dibutylamino dithiocarbonic acid zinc, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, rubber accelerator or its composition.
Wherein said SIS-b-PEO multipolymer preferably 50 ~ 70 parts by weight, described tackifying resin is 80 ~ 100 parts by weight preferably, and described softening agent is 10 ~ 30 parts by weight preferably, and described oxidation inhibitor is 1.0 ~ 2.0 parts by weight preferably.
Polarity polystyrene thermoplastic elastomer base hot-fusible pressure-sensitive adhesive provided by the invention, its preparation methods steps is as follows:
A) N is being full of
2encloses container in, by the softening agent of the tackifying resin of 80 ~ 100 parts by weight, 10 ~ 30 parts by weight and the oxidation inhibitor of 1.0 ~ 2.0 parts by weight 120 ~ 150 DEG C of melting mixing 10 ~ 20 minutes;
B) in above-mentioned molten system, add the SIS-b-PEO multipolymer of 50 ~ 70 parts by weight, be warming up to 140 ~ 180 DEG C, and melting mixing 10 ~ 30 minutes, obtain SIS-b-PEO base hot-fusible pressure-sensitive adhesive.
The preferred C5 petroleum resin of wherein said tackifying resin, the preferred mineral oil of described softening agent, described oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester preferably.
Effect of the present invention and benefit be ethylene oxide block increase hot-fusible pressure-sensitive adhesive polarity and and polarity adherend between act on while, the adhesion property for the consistency between diene hydrocarbon phase and tackifier and hot-fusible pressure-sensitive adhesive does not have adverse influence.
Embodiment
The specific embodiment of the present invention is described in detail below in conjunction with technical scheme.
Embodiment 1
Test as a comparison, use commercially available SIS to prepare SIS base hot-fusible pressure-sensitive adhesive, concrete steps are as follows: be full of N
2encloses container in, by oxidation inhibitor four [β-(3 of the C5 petroleum resin of 80 ~ 100 parts by weight, the mineral oil of 10 ~ 30 parts by weight and 1.0 ~ 2.0 parts by weight, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is 120 ~ 150 DEG C of melting mixing 10 ~ 20 minutes, then, add the SIS of 50 ~ 70 parts by weight, 140 ~ 180 DEG C of melting mixing 10 ~ 30 minutes, direct melt coating, its adhesion property adopts national standard (GB/T4851-1998) test, and its adhesion property the results are shown in subordinate list.
The adhesion property of subordinate list hot-fusible pressure-sensitive adhesive
Embodiment 2
The preparation of SIS-b-PEO base hot-fusible pressure-sensitive adhesive, concrete steps are as follows: be full of N
2encloses container in, by the C5 petroleum resin of 80 ~ 100 parts by weight, the mineral oil of 10 ~ 30 parts by weight and oxidation inhibitor four [β-(3 of 1.0 ~ 2.0 parts by weight, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is 120 ~ 150 DEG C of melting mixing 10 ~ 20 minutes, then, the ethylene oxide block content adding 50 ~ 70 parts by weight is the SIS-b-PEO multipolymer of 5wt%, 140 ~ 180 DEG C of melting mixing 10 ~ 30 minutes, direct melt coating, its adhesion property adopts national standard (GB/T4851-1998) test, its adhesion property the results are shown in subordinate list.
Embodiment 3
The preparation of SIS-b-PEO base hot-fusible pressure-sensitive adhesive, concrete steps are as follows: be full of N
2encloses container in, by the C5 petroleum resin of 80 ~ 100 parts by weight, the mineral oil of 10 ~ 30 parts by weight and oxidation inhibitor four [β-(3 of 1.0 ~ 2.0 parts by weight, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is 120 ~ 150 DEG C of melting mixing 10 ~ 20 minutes, then, the ethylene oxide block content adding 50 ~ 70 parts by weight is the SIS-b-PEO multipolymer of 10wt%, 140 ~ 180 DEG C of melting mixing 10 ~ 30 minutes, direct melt coating, its adhesion property adopts national standard (GB/T4851-1998) test, its adhesion property the results are shown in subordinate list.
Claims (8)
1. a SIS-b-PEO hot-fusible pressure-sensitive adhesive, is characterized in that, the composition of this polarity styrene-series hot-melt pressure-sensitive adhesive comprises styrene-isoprene-phenylethene-oxyethane segmented copolymer, tackifying resin, softening agent and oxidation inhibitor.
2. a kind of SIS-b-PEO hot-fusible pressure-sensitive adhesive according to claim 1, is characterized in that, the parts by weight of each component are:
3. a kind of SIS-b-PEO hot-fusible pressure-sensitive adhesive according to claim 1 and 2, is characterized in that, the number-average molecular weight of the styrene block of described SIS-b-PEO multipolymer is 1 × 10
4~ 3 × 10
4, the number-average molecular weight of diene block is 5 × 10
4~ 7 × 10
4, the number-average molecular weight of ethylene oxide block is 1 × 10
3~ 1 × 10
4, the weight ratio that ethylene oxide block accounts for SIS-b-PEO multipolymer is 1 ~ 20wt%.
4. a kind of SIS-b-PEO hot-fusible pressure-sensitive adhesive according to claim 1 and 2, is characterized in that, described tackifying resin is selected from petroleum resin, terpine resin, rosin or its composition; Described softening agent is selected from mineral oil, whiteruss, white oil or its composition; Described oxidation inhibitor is selected from N, N-dibutylamino dithiocarbonic acid zinc, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, rubber accelerator or its composition.
5. a kind of SIS-b-PEO hot-fusible pressure-sensitive adhesive according to claim 3, is characterized in that, described tackifying resin is selected from petroleum resin, terpine resin, rosin or its composition; Described softening agent is selected from mineral oil, whiteruss, white oil or its composition; Described oxidation inhibitor is selected from N, N-dibutylamino dithiocarbonic acid zinc, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, rubber accelerator or its composition.
6. the preparation method of a kind of SIS-b-PEO hot-fusible pressure-sensitive adhesive described in claim 1,2 or 5, is characterized in that step is as follows:
A) N is being full of
2encloses container in, by the softening agent of the tackifying resin of 80 ~ 100 parts by weight, 10 ~ 30 parts by weight and the oxidation inhibitor of 1.0 ~ 2.0 parts by weight 120 ~ 150 DEG C of melting mixing 10 ~ 20 minutes;
B) in above-mentioned molten system, add the SIS-b-PEO multipolymer of 50 ~ 70 parts by weight, be warming up to 140 ~ 180 DEG C, and melting mixing 10 ~ 30 minutes, obtain SIS-b-PEO base hot-fusible pressure-sensitive adhesive.
7. the preparation method of a kind of SIS-b-PEO hot-fusible pressure-sensitive adhesive according to claim 3, is characterized in that step is as follows:
A) N is being full of
2encloses container in, by the softening agent of the tackifying resin of 80 ~ 100 parts by weight, 10 ~ 30 parts by weight and the oxidation inhibitor of 1.0 ~ 2.0 parts by weight 120 ~ 150 DEG C of melting mixing 10 ~ 20 minutes;
B) in above-mentioned molten system, add the SIS-b-PEO multipolymer of 50 ~ 70 parts by weight, be warming up to 140 ~ 180 DEG C, and melting mixing 10 ~ 30 minutes, obtain SIS-b-PEO base hot-fusible pressure-sensitive adhesive.
8. the preparation method of a kind of SIS-b-PEO hot-fusible pressure-sensitive adhesive according to claim 4, is characterized in that step is as follows:
A) N is being full of
2encloses container in, by the softening agent of the tackifying resin of 80 ~ 100 parts by weight, 10 ~ 30 parts by weight and the oxidation inhibitor of 1.0 ~ 2.0 parts by weight 120 ~ 150 DEG C of melting mixing 10 ~ 20 minutes;
B) in above-mentioned molten system, add the SIS-b-PEO multipolymer of 50 ~ 70 parts by weight, be warming up to 140 ~ 180 DEG C, and melting mixing 10 ~ 30 minutes, obtain SIS-b-PEO base hot-fusible pressure-sensitive adhesive.
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| CN201410617811.6A CN104449494A (en) | 2014-11-05 | 2014-11-05 | SIS-b-PEO hot-melt pressure-sensitive adhesive and preparation method thereof |
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| CN201410617811.6A CN104449494A (en) | 2014-11-05 | 2014-11-05 | SIS-b-PEO hot-melt pressure-sensitive adhesive and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107057005A (en) * | 2017-03-30 | 2017-08-18 | 刘青 | A kind of block copolymer of fragrant alkene, conjugated diene and epoxides and preparation method thereof |
| CN113637438A (en) * | 2021-08-25 | 2021-11-12 | 鞍山科顺建筑材料有限公司 | Hot-melt pressure-sensitive adhesive composition and application thereof, hot-melt pressure-sensitive adhesive and preparation method and application thereof |
| CN115449341A (en) * | 2022-10-08 | 2022-12-09 | 上海方田粘合剂技术有限公司 | Plasticizer-free hot-melt pressure-sensitive adhesive capable of being coated at low temperature and preparation method thereof |
| CN117363253A (en) * | 2023-10-20 | 2024-01-09 | 临沂勤正复合材料有限公司 | Preparation method of hot-melt pressure-sensitive adhesive with good stability |
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|---|---|---|---|---|
| CA2125185C (en) * | 1991-12-06 | 2005-03-22 | Yukihiko Sasaki | Elastomeric pressure-sensitive adhesive compositions exhibiting good cutting performance |
| CN1646656A (en) * | 2002-04-17 | 2005-07-27 | 于尔戈实验室 | Novel hydrophilic adhesive compositions |
| US20070078197A1 (en) * | 2003-10-07 | 2007-04-05 | Coloplast A/S | Adhesive composition and use of such composition |
| CN101899276A (en) * | 2010-07-31 | 2010-12-01 | 大连理工大学 | Amphiphilic hot-melt pressure sensitive adhesive and preparation method thereof |
| CN102580101A (en) * | 2012-01-15 | 2012-07-18 | 大连理工大学 | Hot melt pressure-sensitive adhesive and preparation method thereof |
| CN104072746A (en) * | 2014-07-10 | 2014-10-01 | 大连理工大学 | Polarized SIS (Styrene Isoprene Styrene) containing polyethylene oxide block and preparation method |
-
2014
- 2014-11-05 CN CN201410617811.6A patent/CN104449494A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2125185C (en) * | 1991-12-06 | 2005-03-22 | Yukihiko Sasaki | Elastomeric pressure-sensitive adhesive compositions exhibiting good cutting performance |
| CN1646656A (en) * | 2002-04-17 | 2005-07-27 | 于尔戈实验室 | Novel hydrophilic adhesive compositions |
| US20070078197A1 (en) * | 2003-10-07 | 2007-04-05 | Coloplast A/S | Adhesive composition and use of such composition |
| CN101899276A (en) * | 2010-07-31 | 2010-12-01 | 大连理工大学 | Amphiphilic hot-melt pressure sensitive adhesive and preparation method thereof |
| CN102580101A (en) * | 2012-01-15 | 2012-07-18 | 大连理工大学 | Hot melt pressure-sensitive adhesive and preparation method thereof |
| CN104072746A (en) * | 2014-07-10 | 2014-10-01 | 大连理工大学 | Polarized SIS (Styrene Isoprene Styrene) containing polyethylene oxide block and preparation method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107057005A (en) * | 2017-03-30 | 2017-08-18 | 刘青 | A kind of block copolymer of fragrant alkene, conjugated diene and epoxides and preparation method thereof |
| CN113637438A (en) * | 2021-08-25 | 2021-11-12 | 鞍山科顺建筑材料有限公司 | Hot-melt pressure-sensitive adhesive composition and application thereof, hot-melt pressure-sensitive adhesive and preparation method and application thereof |
| CN115449341A (en) * | 2022-10-08 | 2022-12-09 | 上海方田粘合剂技术有限公司 | Plasticizer-free hot-melt pressure-sensitive adhesive capable of being coated at low temperature and preparation method thereof |
| CN117363253A (en) * | 2023-10-20 | 2024-01-09 | 临沂勤正复合材料有限公司 | Preparation method of hot-melt pressure-sensitive adhesive with good stability |
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Application publication date: 20150325 |