Epoxystyrene-isoprene-styrene segmented copolymer medicine paster and preparation method thereof

A technology of epoxidizing styrene and styrene blocks, which is used in pharmaceutical formulations, medical preparations with non-active ingredients, and sheet transportation, etc., can solve the problems of easy occurrence of allergies, impact on sticking performance, poor adhesion ability, etc. , to avoid skin whitish allergy, improve the mixing amount of the drug, and enhance the adhesion performance.

Active Publication Date: 2014-09-03
浙江固特新材料科技股份有限公司
View PDF2 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The SIS medical patch used in the past has the following disadvantages: poor adhesion, low polarity, poor air permeability, prone to allergies, and the production of sweat during use will also affect its posting performance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Epoxystyrene-isoprene-styrene segmented copolymer medicine paster and preparation method thereof
  • Epoxystyrene-isoprene-styrene segmented copolymer medicine paster and preparation method thereof
  • Epoxystyrene-isoprene-styrene segmented copolymer medicine paster and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: Preparation of epoxidized styrene-isoprene-styrene block copolymer medical patch

[0022] raw material:

[0023]

[0024]

[0025] (1) Preparation method:

[0026] Add part of naphthenic soybean oil to the reactor first, add ESIS and SEPS according to the weight ratio, then add antioxidant, heat to 160°C, start stirring, and pass nitrogen to replace the gas in the reactor.

[0027] After the ESIS is completely dissolved, add rosin pentaerythritol resin in proportion, and then add hydrogenated rosin resin after the temperature is constant.

[0028] Vacuum the kettle to keep it at -0.02mPa, stir for about 20 minutes to lower the temperature of the kettle, and use the internal cooling of the reactor to drop the temperature to 120°C before discharging.

[0029] (2) Product performance parameters:

[0030] Appearance: with light yellow transparent solid glue

[0031] Non-volatile matter: 100%

[0032] Purity: Heated to 160°C, all 100-mesh sieves pass...

Embodiment 2

[0039] Embodiment 2: Preparation of epoxidized styrene-isoprene-styrene block copolymer medical patch

[0040] raw material:

[0041]

[0042]

[0043] (4) Preparation method:

[0044] Add part of naphthenic soybean oil to the reactor first, add ESIS and SEPS according to the weight ratio, then add antioxidant, heat to 160°C, start stirring, and pass nitrogen to replace the gas in the reactor.

[0045] After the ESIS is completely dissolved, add rosin pentaerythritol resin in proportion, and then add hydrogenated rosin resin after the temperature is constant.

[0046] Vacuum the kettle to keep it at -0.05mPa, stir for about 20 minutes to lower the temperature of the kettle, and use the internal cooling of the reactor to drop the temperature to 120°C before discharging.

[0047] (5) Product performance parameters:

[0048] Appearance: with light yellow transparent solid glue

[0049] Non-volatile matter: 100%

[0050] Purity: Heated to 160°C, all 100-mesh sieves pass...

Embodiment 3

[0057] Embodiment 3: Preparation of epoxidized styrene-isoprene-styrene block copolymer medical patch

[0058] raw material:

[0059]

[0060]

[0061] (7) Preparation method:

[0062] Add part of naphthenic soybean oil to the reactor first, add ESIS and SEPS according to the weight ratio, then add antioxidant, heat to 160°C, start stirring, and pass nitrogen to replace the gas in the reactor.

[0063] After the ESIS is completely dissolved, add rosin pentaerythritol resin in proportion, and then add hydrogenated rosin resin after the temperature is constant.

[0064] Vacuum the kettle to keep it at -0.03mPa, stir for about 20 minutes to lower the temperature of the kettle, and use the internal cooling of the reactor to drop the temperature to 120°C before discharging.

[0065] (8) Product performance parameters:

[0066] Appearance: with light yellow transparent solid glue

[0067] Non-volatile matter: 100%

[0068] Purity: Heated to 160°C, all 100-mesh sieves pass...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
melt flow indexaaaaaaaaaa
Shore hardnessaaaaaaaaaa
tensile stressaaaaaaaaaa
Login to view more

Abstract

The invention discloses an epoxystyrene-isoprene-styrene segmented copolymer (SIS) medicine paster and a preparation method thereof, and aims to provide the epoxystyrene-isoprene-styrene segmented copolymer (SIS) medicine paster with good adhesion ability, good air permeability and high stability and the preparation method thereof; the epoxystyrene-isoprene-styrene segmented copolymer (SIS) medicine paster includes 20-35 parts of epoxystyrene-isoprene-styrene segmented copolymer (ESIS), 10-18 parts of hydrogenatedstyrene-isoprene-styrene segmented copolymer(SEPS), 15-25 parts of epoxy soybean oil, 8-15 parts of hydroxy terminated liquid polybutadiene, 15-25 parts of hydrogenated rosin resin, 10-20 parts of rosin pentaerythritol ester and 0.2 part of an antioxidant, and the epoxystyrene-isoprene-styrene segmented copolymer (SIS) medicine paster has the advantages of strong adhesion, good air permeability, good flexibility, more stable performance, and the like.

Description

technical field [0001] The invention relates to a medical patch and a preparation method thereof, in particular to an epoxidized styrene-isoprene-styrene block copolymer (SIS) medical patch and a preparation method thereof. Background technique [0002] The SIS medical patch used in the past has the following disadvantages: poor adhesion, low polarity, poor air permeability, prone to allergies, and the production of sweat during use will also affect its posting performance. Contents of the invention [0003] The purpose of the present invention is to provide a kind of adhesion ability good in order to solve the deficiency of above-mentioned technology, gas permeability is good, the epoxidized styrene-isoprene-styrene block copolymer medical patch and its high stability Preparation. [0004] In order to achieve the above object, a kind of epoxidized styrene-isoprene-styrene block copolymer medical patch designed by the present invention comprises epoxy styrene-isoprene-sty...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): A61K9/70A61K47/32A61K47/34A61K47/08A61K47/14
Inventor 邵宝有陈慧李光鹏陈惠娟
Owner 浙江固特新材料科技股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap