CN104017524A - Novel environmental-friendly middle- and low- temperature pressure-sensitive adhesive used for hygienic products and preparing method thereof - Google Patents
Novel environmental-friendly middle- and low- temperature pressure-sensitive adhesive used for hygienic products and preparing method thereof Download PDFInfo
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- CN104017524A CN104017524A CN201410239210.6A CN201410239210A CN104017524A CN 104017524 A CN104017524 A CN 104017524A CN 201410239210 A CN201410239210 A CN 201410239210A CN 104017524 A CN104017524 A CN 104017524A
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- sensitive adhesive
- styrene
- resin
- pressure sensitive
- block copolymer
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Abstract
The invention discloses a novel environmental-friendly middle- and low- temperature pressure-sensitive adhesive used for hygienic products and a preparing method thereof. The objective of the invention is to provide the novel environmental-friendly middle- and low- temperature pressure-sensitive adhesive with high toughness, long adhesiveness maintaining time and stable adhesiveness used for the hygienic products and the preparing method thereof. The pressure-sensitive adhesive comprises following components by weight: 12-25 parts of high-pressure hydrogenated naphthenic base rubber oil, 15-30 parts of star styrene-isoprene-styrene block copolymer (SIS), 5-15 parts of hydrogenated styrene-isoprene-styrene block copolymer (SEPS), 20-30 parts of water-white C5/C9 resin, 10-25 parts of pentaerythritol ester of rosin, 12-20 parts of terpene resin, and 0.3 part of an antioxidant. The pressure-sensitive adhesive has advantages of stable colloid propeties, good weather fastness, long adhesiveness maintaining time, good high-temperature resistance, and the like.
Description
Technical field
The present invention relates to a kind of pressure sensitive adhesive, low temperature sanitary product pressure sensitive adhesive and preparation method thereof in especially a kind of novel environment friendly.
Background technology
Pressure sensitive adhesive is a kind of sizing agent that pressure is had to susceptibility that has.Existing pressure sensitive adhesive poor toughness, colloidal instability, weathering resistance is poor, tack retention hour is short, product colour is dark, and resistance to elevated temperatures is poor.
Summary of the invention
The object of the invention is the deficiency in order to solve above-mentioned technology and provide a kind of good toughness, viscosity to keep low temperature sanitary product pressure sensitive adhesive and preparation method thereof in the life-span is long, colloidality is stable novel environment friendly.
In order to achieve the above object, low temperature sanitary product pressure sensitive adhesive in the designed a kind of novel environment friendly of the present invention, it comprises high-pressure hydrogenation naphthenic rubber oil 12-25 part, star-like styrene isoprene styrene block copolymer (SIS) (SIS) 15-30 part; Hydrogenated styrene-isoprene-styrene block copolymer (SEPS) 5-15 part; Water-white C5/C9 resin 20-30 part; Rosin pentaerythritol resin 10-25 part; Terpine resin 12-20 part; 0.2 part, oxidation inhibitor, above umber is parts by weight.
In such scheme, selected high compression ring alkyl rubber oil is limpid transparent, and density is 0.901g/cm
3.
In such scheme, selected star-like SIS melting index is 9g/10min (200 DEG C), and hardness is 30A, and tensile stress is 0.9MPa, and elongation at break is 1300, and stretching yield stress is 28N, and molecular weight is 50000, and styrene content is 10%-30%.
In such scheme, 90 DEG C of selected water-white C5/C9 resin softening point >, acid number < 1, look < 1, melting viscosity is 1000-1500mPa.s.
In such scheme, 95 DEG C of selected rosin pentaerythritol resin softening temperature >, acid number < 1, look < 1.Melting viscosity is 1200-1500mPa.s.
In such scheme, 80 DEG C of selected terpine resin softening temperature >, acid number < 1, look < 1, melting viscosity is 750-1100mPa.s.
In such scheme, described oxidation inhibitor is 2,4-di-tert-butyl-phenyl; 3,5-di-t-butyl, 4 hydroxy phenyls.
Preparation method: the first step: part high compression ring alkyl rubber oil is first added to reactor, adds by weight star-like SIS and SEPS, then add oxidation inhibitor, be heated to 130-150 DEG C, and start stirring, pass into nitrogen replacement gas reactor;
Second step: the SEPS dissolving for the treatment of SIS adds rosin pentaerythritol resin completely more in proportion, adds terpine resin after band homo(io)thermism again, and band dissolves and adds completely water-white C5/C9 resin again;
The 3rd step: still is carried out to vacuum-treat and make it remain on-0.02 to-0.05MPa;
The 4th step: stir about 20min to the still processing of lowering the temperature;
The 5th step: discharging after temperature drops to 120 DEG C.
Low temperature sanitary product pressure sensitive adhesive in the novel environment friendly that the present invention obtains, has the following advantages:
1, compare linear SIS, adopting star-like SIS to do body material can make colloid all be significantly improved holding the aspects such as sticky, stretching and melt fluidity, and star-like space structure makes glue show better thermoplastic elastic bulk properties, make colloid reach middle low temperature working conditions.
2, adopt high compression ring alkyl rubber oil to make the toughness of glue better.The resin adopting is all light color, makes product colourity very low, be more suitable for the colourity requirement of sanitary product, and the acidity of resin is all very low, has avoided the stimulation to human body skin, and degree of safety is higher than other products.
3, water-white C5/C9 resin makes resin have certain solubleness at rubber phase mutually with plastics, makes glue stable performance, good weatherability, and the time that viscosity keeps is long.
4, the use of SEPS is filled and is replaced the star-like SIS island structure of part, because low two structures of building of SEPS are not oxidizable, and the chain reaction while to a certain degree having blocked star-like SIS oxidation between π key.SEPS is of light color, is applicable to sanitary product requirement.
5, use composite antioxidant, improved the resistance to elevated temperatures of goods.
Embodiment
Be further described below by embodiment the present invention.
Embodiment 1: the preparation of low temperature sanitary product pressure sensitive adhesive in novel environment friendly
Raw material:
(1) preparation method:
Part high compression ring alkyl rubber oil is first added to reactor, adds by weight star-like SIS and SEPS, then add oxidation inhibitor, be heated to 130 DEG C, and start stirring, pass into nitrogen replacement gas reactor; Treat that SIS and SEPS dissolving add rosin pentaerythritol resin completely more in proportion, after band homo(io)thermism, add terpine resin again, band dissolves and adds completely water-white C5/C9 resin again; Still is carried out to vacuum-treat and make its remain on-0.02MPa, stir about 20min to the still processing of lowering the temperature; Discharging after temperature drops to 120 DEG C.
(2) particular product performance parameters:
Outward appearance: be with white transparent solid glue
Non-volatile matter: 100%
Clarity: be heated to 130 DEG C, 100 eye mesh screen all-pass mistakes
Melt temperature: 130 DEG C ± 5 DEG C
Viscosity: 2000-5000cps (130 DEG C)
(3) performance test:
A, middle low-temperature test: 130 DEG C of coatings, glue can meet coating process.
B, ageing-resistant test:
Testing method: glue is carried out to filament nonwoven fabric bonding at 130 DEG C, and be placed in 60 DEG C of baking ovens and keep 10 hours, nondiscoloration, and still have very strong cohesive strength at 40 DEG C.
Embodiment 2: the preparation of low temperature sanitary product pressure sensitive adhesive in novel environment friendly
Raw material:
(4) preparation method:
Part high compression ring alkyl rubber oil is first added to reactor, adds by weight star-like SIS and SEPS, then add oxidation inhibitor, be heated to 150 DEG C, and start stirring, pass into nitrogen replacement gas reactor; Treat that SIS and SEPS dissolving add rosin pentaerythritol resin completely more in proportion, after band homo(io)thermism, add terpine resin again, band dissolves and adds completely water-white C5/C9 resin again; Still is carried out to vacuum-treat and make its remain on-0.03MPa, stir about 20min to the still processing of lowering the temperature; Discharging after temperature drops to 120 DEG C.
(5) particular product performance parameters:
Outward appearance: be with white transparent solid glue
Non-volatile matter: 100%
Clarity: be heated to 130 DEG C, 100 eye mesh screen all-pass mistakes
Melt temperature: 130 DEG C ± 5 DEG C
Viscosity: 2000-5000cps (130 DEG C)
(6) performance test:
A, middle low-temperature test: 130 DEG C of coatings, glue can meet coating process.
B, ageing-resistant test:
Testing method: glue is carried out to filament nonwoven fabric bonding at 130 DEG C, and be placed in 60 DEG C of baking ovens and keep 10 hours, nondiscoloration, and still have very strong cohesive strength at 40 DEG C.
Embodiment 3: the preparation of low temperature sanitary product pressure sensitive adhesive in novel environment friendly
Raw material:
(7) preparation method:
Part high compression ring alkyl rubber oil is first added to reactor, adds by weight star-like SIS and SEPS, then add oxidation inhibitor, be heated to 130-150 DEG C, and start stirring, pass into nitrogen replacement gas reactor; Treat that SIS and SEPS dissolving add rosin pentaerythritol resin completely more in proportion, after band homo(io)thermism, add terpine resin again, band dissolves and adds completely water-white C5/C9 resin again; Still is carried out to vacuum-treat and make its remain on-0.02MPa, stir about 20min to the still processing of lowering the temperature; Discharging after temperature drops to 120 DEG C.
(8) particular product performance parameters:
Outward appearance: be with white transparent solid glue
Non-volatile matter: 100%
Clarity: be heated to 130 DEG C, 100 eye mesh screen all-pass mistakes
Melt temperature: 130 DEG C ± 5 DEG C
Viscosity: 2000-5000cps (130 DEG C)
(9) performance test:
A, middle low-temperature test: 130 DEG C of coatings, glue can meet coating process.
B, ageing-resistant test:
Testing method: glue is carried out to filament nonwoven fabric bonding at 130 DEG C, and be placed in 60 DEG C of baking ovens and keep 10 hours, nondiscoloration, and still have very strong cohesive strength at 40 DEG C.
Embodiment 4: the preparation of low temperature sanitary product pressure sensitive adhesive in novel environment friendly
Raw material:
(10) preparation method:
Part high compression ring alkyl rubber oil is first added to reactor, adds by weight star-like SIS and SEPS, then add oxidation inhibitor, be heated to 140 DEG C, and start stirring, pass into nitrogen replacement gas reactor; Treat that SIS and SEPS dissolving add rosin pentaerythritol resin completely more in proportion, after band homo(io)thermism, add terpine resin again, band dissolves and adds completely water-white C5/C9 resin again; Still is carried out to vacuum-treat and make its remain on-0.02MPa, stir about 20min to the still processing of lowering the temperature; Discharging after temperature drops to 120 DEG C.
(11) particular product performance parameters:
Outward appearance: be with white transparent solid glue
Non-volatile matter: 100%
Clarity: be heated to 130 DEG C, 100 eye mesh screen all-pass mistakes
Melt temperature: 130 DEG C ± 5 DEG C
Viscosity: 2000-5000cps (130 DEG C)
(12) performance test:
A, middle low-temperature test: 130 DEG C of coatings, glue can meet coating process.
B, ageing-resistant test:
Testing method: glue is carried out to filament nonwoven fabric bonding at 130 DEG C, and be placed in 60 DEG C of baking ovens and keep 10 hours, nondiscoloration, and still have very strong cohesive strength at 40 DEG C.
Embodiment 5: the preparation of low temperature sanitary product pressure sensitive adhesive in novel environment friendly
Raw material:
(13) preparation method:
Part high compression ring alkyl rubber oil is first added to reactor, adds by weight star-like SIS and SEPS, then add oxidation inhibitor, be heated to 150 DEG C, and start stirring, pass into nitrogen replacement gas reactor; Treat that SIS and SEPS dissolving add rosin pentaerythritol resin completely more in proportion, after band homo(io)thermism, add terpine resin again, band dissolves and adds completely water-white C5/C9 resin again; Still is carried out to vacuum-treat and make its remain on-0.02MPa, stir about 20min to the still processing of lowering the temperature; Discharging after temperature drops to 120 DEG C.
(14) particular product performance parameters:
Outward appearance: be with white transparent solid glue
Non-volatile matter: 100%
Clarity: be heated to 130 DEG C, 100 eye mesh screen all-pass mistakes
Melt temperature: 130 DEG C ± 5 DEG C
Viscosity: 2000-5000cps (130 DEG C)
(15) performance test:
A, middle low-temperature test: 130 DEG C of coatings, glue can meet coating process.
B, ageing-resistant test:
Testing method: glue is carried out to filament nonwoven fabric bonding at 130 DEG C, and be placed in 60 DEG C of baking ovens and keep 10 hours, nondiscoloration, and still have very strong cohesive strength at 40 DEG C.
Claims (8)
1. a low temperature sanitary product pressure sensitive adhesive in novel environment friendly, is characterized in that: it comprises high-pressure hydrogenation naphthenic rubber oil 12-25 part, star-like styrene isoprene styrene block copolymer (SIS) 15-30 part; Hydrogenated styrene-isoprene-styrene block copolymer 5-15 part; Water-white C5/C9 resin 20-30 part; Rosin pentaerythritol resin 10-25 part; Terpine resin 12-20 part; 0.2 part, oxidation inhibitor, above umber is parts by weight.
2. low temperature sanitary product pressure sensitive adhesive in a kind of novel environment friendly according to claim 1, is characterized in that: selected high compression ring alkyl rubber oil is limpid transparent, and density is 0.901g/cm
3.
3. low temperature sanitary product pressure sensitive adhesive in a kind of novel environment friendly according to claim 1, it is characterized in that: selected star-like styrene isoprene styrene block copolymer (SIS) melting index is 9g/10min, hardness is 30A, tensile stress is 0.9MPa, elongation at break is 1300, stretching yield stress is 28N, and molecular weight is 50000, and styrene content is 10%-30%.
4. low temperature sanitary product pressure sensitive adhesive in a kind of novel environment friendly according to claim 1, it is characterized in that: 90 DEG C of selected water-white C5/C9 resin softening point >, acid number < 1, look < 1, melting viscosity is 1000-1500mPa.s.
5. low temperature sanitary product pressure sensitive adhesive in a kind of novel environment friendly according to claim 1, is characterized in that: 95 DEG C of selected rosin pentaerythritol resin softening temperature >, acid number < 1, look < 1; Melting viscosity is 1200-1500mPa.s.
6. low temperature sanitary product pressure sensitive adhesive in a kind of novel environment friendly according to claim 1, it is characterized in that: 80 DEG C of selected terpine resin softening temperature >, acid number < 1, look < 1, melting viscosity is 750-1100mPa.s.
7. low temperature sanitary product pressure sensitive adhesive in a kind of novel environment friendly according to claim 1, is characterized in that: described oxidation inhibitor is 2,4-di-tert-butyl-phenyl; 3,5-di-tert-butyl-hydroxy phenyl.
8. the preparation method of low temperature sanitary product pressure sensitive adhesive in a novel environment friendly, it is characterized in that: the first step: part high compression ring alkyl rubber oil is first added to reactor, add by weight star-like styrene isoprene styrene block copolymer (SIS) and hydrogenated styrene-isoprene-styrene block copolymer, add again oxidation inhibitor, be heated to 130-150 DEG C, and start stirring, pass into nitrogen replacement gas reactor; Second step: treat that styrene isoprene styrene block copolymer (SIS) and hydrogenated styrene-isoprene-styrene block copolymer dissolving adds rosin pentaerythritol resin completely more in proportion, after band homo(io)thermism, add terpine resin, band dissolves and adds completely water-white C5/C9 resin again again; Still is carried out to vacuum-treat makes it remain on-0.02 to-0.05mPa; Stir about 20min to the still processing of lowering the temperature; Discharging after temperature drops to 120 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239210.6A CN104017524A (en) | 2014-05-29 | 2014-05-29 | Novel environmental-friendly middle- and low- temperature pressure-sensitive adhesive used for hygienic products and preparing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239210.6A CN104017524A (en) | 2014-05-29 | 2014-05-29 | Novel environmental-friendly middle- and low- temperature pressure-sensitive adhesive used for hygienic products and preparing method thereof |
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| CN104017524A true CN104017524A (en) | 2014-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112521868A (en) * | 2020-12-02 | 2021-03-19 | 广东硕成科技有限公司 | UV-cured hot-melt rubber pressure-sensitive adhesive and electrical adhesive tape prepared from same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398286A (en) * | 2000-02-03 | 2003-02-19 | H·B·富勒许可和金融公司 | Block copolymer based hot melt adhesive |
| CN103214998A (en) * | 2013-04-17 | 2013-07-24 | 岳阳东方雨虹防水技术有限责任公司 | Preparation method of high-temperature resistant hot-melt pressure-sensitive adhesive |
| CN103773293A (en) * | 2014-01-02 | 2014-05-07 | 大连理工大学 | Low temperature coated styrene thermoplastic elastomer-based hot-melt pressure-sensitive adhesive |
-
2014
- 2014-05-29 CN CN201410239210.6A patent/CN104017524A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398286A (en) * | 2000-02-03 | 2003-02-19 | H·B·富勒许可和金融公司 | Block copolymer based hot melt adhesive |
| CN103214998A (en) * | 2013-04-17 | 2013-07-24 | 岳阳东方雨虹防水技术有限责任公司 | Preparation method of high-temperature resistant hot-melt pressure-sensitive adhesive |
| CN103773293A (en) * | 2014-01-02 | 2014-05-07 | 大连理工大学 | Low temperature coated styrene thermoplastic elastomer-based hot-melt pressure-sensitive adhesive |
Non-Patent Citations (1)
| Title |
|---|
| 张荣军等: ""一次性卫生用品用中低温热熔压敏胶的研制"", 《山东科学》, vol. 20, no. 4, 31 August 2007 (2007-08-31), pages 59 - 64 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112521868A (en) * | 2020-12-02 | 2021-03-19 | 广东硕成科技有限公司 | UV-cured hot-melt rubber pressure-sensitive adhesive and electrical adhesive tape prepared from same |
| CN112521868B (en) * | 2020-12-02 | 2022-08-30 | 广东硕成科技股份有限公司 | UV-cured hot-melt rubber pressure-sensitive adhesive and electrical adhesive tape prepared from same |
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Application publication date: 20140903 |