Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Epoxidized styrene-isoprene-styrene block copolymer medical patch 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: 2017-04-05
浙江固特新材料科技股份有限公司
View PDF2 Cites 0 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
  • Epoxidized styrene-isoprene-styrene block copolymer medical patch and preparation method thereof
  • Epoxidized styrene-isoprene-styrene block copolymer medical patch and preparation method thereof
  • Epoxidized styrene-isoprene-styrene block copolymer medical patch and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

[0022] raw material:

[0023]

[0024]

[0025] (1) Preparation method:

[0026] Part of naphthenic soybean oil was firstly added to the reaction kettle, ESIS and SEPS were added according to weight ratio, then antioxidant was added, heated to 160°C, stirring was started, and nitrogen was introduced to replace the gas in the kettle.

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

[0028] The kettle was subjected to vacuum treatment to keep it at -0.02mPa, stirred for about 20min to lower the temperature of the kettle, and the temperature was lowered to 120°C by cooling in the reactor before discharging.

[0029] (2) Product performance parameters:

[0030] Appearance: with light yellow transparent solid glue

[0031] Non-volatile matter: 100%

...

Embodiment 2

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

[0040] raw material:

[0041]

[0042]

[0043] (4) Preparation method:

[0044] Part of naphthenic soybean oil was firstly added to the reaction kettle, ESIS and SEPS were added according to weight ratio, then antioxidant was added, heated to 160°C, stirring was started, and nitrogen was introduced to replace the gas in the kettle.

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

[0046] The kettle was subjected to vacuum treatment to keep it at -0.05mPa, stirred for about 20 minutes to lower the temperature of the kettle, and the temperature was lowered to 120°C by using the inner cooling of the reactor to discharge the material.

[0047] (5) Product performance parameters:

[0048] Appearance: with light yellow transparent solid glue

[0049] N...

Embodiment 3

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

[0058] raw material:

[0059]

[0060]

[0061] (7) Preparation method:

[0062] Part of naphthenic soybean oil was firstly added to the reaction kettle, ESIS and SEPS were added according to weight ratio, then antioxidant was added, heated to 160°C, stirring was started, and nitrogen was introduced to replace the gas in the kettle.

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

[0064] The kettle was subjected to vacuum treatment to keep it at -0.03mPa, stirred for about 20 minutes to lower the temperature of the kettle, and the temperature was lowered to 120°C by cooling in the reactor before discharging.

[0065] (8) Product performance parameters:

[0066] Appearance: with light yellow transparent solid glue

[0067] Non-volatile matter: 100...

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 and easy to cause allergies, and the generation of sweat during use will also affect its sticking performance. SUMMARY OF THE INVENTION [0003] The object of the present invention is to provide a kind of epoxidized styrene-isoprene-styrene block copolymer medical patch with good adhesion ability, good air permeability and high stability in order to solve the deficiencies of the above-mentioned technologies and the same Preparation. [0004] In order to achieve the above purpose, an epoxidized styrene-isoprene-styrene block copolymer medical patch designed by the present invention comprises an epoxy st...

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 Patents(China)
IPC IPC(8): A61K9/70A61K47/32A61K47/08A61K47/14
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 Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com