CN103740305A - Medical hot melt adhesive and preparation method thereof - Google Patents
Medical hot melt adhesive and preparation method thereof Download PDFInfo
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- CN103740305A CN103740305A CN201410019231.7A CN201410019231A CN103740305A CN 103740305 A CN103740305 A CN 103740305A CN 201410019231 A CN201410019231 A CN 201410019231A CN 103740305 A CN103740305 A CN 103740305A
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Abstract
The invention relates to a hot melt adhesive, and particularly relates to a medical hot melt adhesive and a preparation method thereof. The medical hot melt adhesive comprises the following raw materials: butyl rubber, a maleic anhydride grafted compatilizer, styrene-ethylene/butene-styrene (SEBS) copolymer, ethylene-vinyl acetate (EVA) copolymer, hydrogenated petroleum resin, terpene resin, polyethylene (PE) wax, naphthenic oil, polyisobutene, a rubber antiager, an antioxidant and montmorillonite powder. The preparation method of the medical hot melt adhesive comprises the following steps: banburying of a rubber block, and mixing reaction of the rubber block and resin. The hot melt adhesive provided by the invention has a bonding effect better than the conventional pressure-sensitive adhesive in low-temperature use, has good flexibility, and meets the medical requirements.
Description
Technical field
The present invention relates to a kind of hot melt adhesive, be specially medical hot melt glue and preparation method thereof.
Background technology
Normally pressure sensitive adhesive of medical hot melt glue, pressure can be bonding with adherend a little to presser sensor, finger pressure to refer to a class, do not need to use a class tackiness agent of solvent or other supplementary meanss.Mainly contain at present the pressure-sensitive hot melt adhesive of two types, one is synthetic rubber type pressure sensitive adhesive, and another is SBS type hot melt adhesive, although these two kinds of pressure sensitive adhesives respectively have superiority, is used in medical material owing to being that low temperature is used, and snappiness and cohesiveness are all inadequate.
Summary of the invention
For above-mentioned technical problem, the object of this invention is to provide a kind of medical hot melt glue and preparation method thereof, low temperature has good snappiness and cohesiveness while using, and concrete technical scheme is: medical hot melt glue, its raw material forms according to following parts by weight:
10-13 parts of isoprene-isobutylene rubbers,
0.5-0.8 part of maleic anhydride graft compatilizer,
SEBS(styrene-ethylene/butylene-styrene block copolymer) 20-23 parts,
12-15 parts of EVA (ethylene-vinyl acetate copolymer),
9-11 parts of hydrogenated petroleum resins,
Terpine resin 2-3 part,
5-7 parts, PE wax,
Naphthenic oil 12-13 part,
1-3 parts of polyisobutene,
1-3 parts of rubber antioxidants,
Antioxidant 0.2-0.4 part,
0.5-0.7 part of montmorillonite powder.
The preparation method of medical hot melt glue, comprises the following steps:
(1) isoprene-isobutylene rubber, maleic anhydride graft compatilizer, SEBS are blended at 120-130 ℃ of temperature banburying 3-4 minutes;
(2) add polyisobutene, rubber antioxidant, mix, at 130-140 ℃ of temperature, banburying is through overcooling after 10 minutes, and the blob of viscose making, pulverizes;
(3) in reactor, add naphthenic oil and PE wax, be heated to 200 ℃, add the blob of viscose of pulverizing, be stirred to blob of viscose and dissolve, then add EVA, hydrogenated petroleum resin, terpine resin, antioxidant, montmorillonite powder, maintaining temperature of reaction kettle is 160 ℃, stirs 0.5 hour, makes glue.
Medical hot melt glue provided by the invention, when low temperature is used, has than the better bond effect of conventional pressure sensitive adhesive, and has good snappiness, meets medical requirement.
Embodiment
The specific embodiment of the present invention is described in conjunction with the embodiments.
Embodiment 1:
Medical hot melt glue, its raw material forms according to following parts by weight: 10 parts of isoprene-isobutylene rubbers, 0.7 part of maleic anhydride graft compatilizer, 23 parts of SEBS, EVA15 part, 10 parts of hydrogenated petroleum resins, 3 parts of terpine resins, 7 parts, PE wax, 12 parts of naphthenic oils, 1 part of polyisobutene, 1 part of rubber antioxidant, 0.2 part of antioxidant, 0.7 part of montmorillonite powder.
Embodiment 2:
Medical hot melt glue, its raw material forms according to following parts by weight: 12 parts of isoprene-isobutylene rubbers, 0.6 part of maleic anhydride graft compatilizer, 22 parts of SEBS, EVA13 part, 9 parts of hydrogenated petroleum resins, 2 parts of terpine resins, 5 parts, PE wax, 13 parts of naphthenic oils, 1.5 parts of polyisobutene, 2 parts of rubber antioxidants, 0.3 part of antioxidant, 0.6 part of montmorillonite powder.
Embodiment 3:
Medical hot melt glue, its raw material forms according to following parts by weight: 13 parts of isoprene-isobutylene rubbers, 0.8 part of maleic anhydride graft compatilizer, 20 parts of SEBS, EVA12 part, 11 parts of hydrogenated petroleum resins, 2.5 parts of terpine resins, 6 parts, PE wax, 12 parts of naphthenic oils, 3 parts of polyisobutene, 3 parts of rubber antioxidants, 0.4 part of antioxidant, 0.5 part of montmorillonite powder.
The preparation method of each embodiment is above:
(1) isoprene-isobutylene rubber, maleic anhydride graft compatilizer, SEBS are blended at 120-130 ℃ of temperature banburying 3-4 minutes;
(2) add polyisobutene, rubber antioxidant, mix, at 130-140 ℃ of temperature, banburying is through overcooling after 10 minutes, and the blob of viscose making, pulverizes;
(3) in reactor, add naphthenic oil and PE wax, be heated to 200 ℃, add the blob of viscose of pulverizing, be stirred to blob of viscose and dissolve, then add EVA, hydrogenated petroleum resin, terpine resin, antioxidant, montmorillonite powder, maintaining temperature of reaction kettle is 160 ℃, stirs 0.5 hour, makes glue.
Claims (2)
1. medical hot melt glue, is characterized in that: its raw material forms according to following parts by weight:
10-13 parts of isoprene-isobutylene rubbers,
0.5-0.8 part of maleic anhydride graft compatilizer,
SEBS(styrene-ethylene/butylene-styrene block copolymer) 20-23 parts,
12-15 parts of EVA (ethylene-vinyl acetate copolymer),
9-11 parts of hydrogenated petroleum resins,
Terpine resin 2-3 part,
5-7 parts, PE wax,
Naphthenic oil 12-13 part,
1-3 parts of polyisobutene,
1-3 parts of rubber antioxidants,
Antioxidant 0.2-0.4 part,
0.5-0.7 part of montmorillonite powder.
2. medical hot melt glue preparation method according to claim 1, comprises the following steps,
(1) isoprene-isobutylene rubber, maleic anhydride graft compatilizer, SEBS are blended at 120-130 ℃ of temperature banburying 3-4 minutes;
(2) add polyisobutene, rubber antioxidant, mix, at 130-140 ℃ of temperature, banburying is through overcooling after 10 minutes, and the blob of viscose making, pulverizes;
(3) in reactor, add naphthenic oil and PE wax, be heated to 200 ℃, add the blob of viscose of pulverizing, be stirred to blob of viscose and dissolve, then add EVA, hydrogenated petroleum resin, terpine resin, antioxidant, montmorillonite powder, maintaining temperature of reaction kettle is 160 ℃, stirs 0.5 hour, makes medical hot melt glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019231.7A CN103740305B (en) | 2014-01-16 | 2014-01-16 | Medical hot melt adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019231.7A CN103740305B (en) | 2014-01-16 | 2014-01-16 | Medical hot melt adhesive and preparation method thereof |
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| CN103740305A true CN103740305A (en) | 2014-04-23 |
| CN103740305B CN103740305B (en) | 2015-12-09 |
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| CN201410019231.7A Active CN103740305B (en) | 2014-01-16 | 2014-01-16 | Medical hot melt adhesive and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104087201A (en) * | 2014-06-26 | 2014-10-08 | 滁州市光威化工有限公司 | Ethylene-vinyl acetate hot melt adhesive |
| CN104178067A (en) * | 2014-07-23 | 2014-12-03 | 安徽雪峰木业有限公司 | High-flexibility hot-melt adhesive for pencil preparation |
| CN115404026A (en) * | 2022-09-16 | 2022-11-29 | 浙江理工大学 | Hot-melt strong high-performance adhesive sticker |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104087201A (en) * | 2014-06-26 | 2014-10-08 | 滁州市光威化工有限公司 | Ethylene-vinyl acetate hot melt adhesive |
| CN104087201B (en) * | 2014-06-26 | 2016-05-25 | 滁州市光威化工有限公司 | A kind of ethene-vinyl acetate PUR |
| CN104178067A (en) * | 2014-07-23 | 2014-12-03 | 安徽雪峰木业有限公司 | High-flexibility hot-melt adhesive for pencil preparation |
| CN115404026A (en) * | 2022-09-16 | 2022-11-29 | 浙江理工大学 | Hot-melt strong high-performance adhesive sticker |
| CN115404026B (en) * | 2022-09-16 | 2024-08-02 | 浙江理工大学 | Hot-melt strong high-performance adhesive sticker |
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| Publication number | Publication date |
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| CN103740305B (en) | 2015-12-09 |
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Address after: 214000 No. 6, Dongting Chunlei Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Lisennoco Materials (Wuxi) Co.,Ltd. Address before: 214000 No. 6, Dongting Chunlei Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: LI-BOND RESIN (WUXI) Co.,Ltd. |
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