CN103524977B - A kind of organic-silicon-modified thermoplastic elastomer (TPE) - Google Patents
A kind of organic-silicon-modified thermoplastic elastomer (TPE) Download PDFInfo
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- CN103524977B CN103524977B CN201310430757.XA CN201310430757A CN103524977B CN 103524977 B CN103524977 B CN 103524977B CN 201310430757 A CN201310430757 A CN 201310430757A CN 103524977 B CN103524977 B CN 103524977B
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Abstract
The invention discloses a kind of organic-silicon-modified thermoplastic elastomer (TPE), including following components and each constituent mass ratio it is: styrene block copolymer 30～45 parts, polyisobutylene 30～45 parts, modified polypropene 20～30 parts, maleic anhydride 15～25 parts, organosilicon 15～25 parts, hardening agent 5～10 parts, synthesis vegetable esters 10～15 parts, softening oil 10～15 parts.The present invention promotes polar material and non-polar material cementability and the compatibility by using polypropylene grafted maleic anhydride, effectively strengthen organosilicon dispersion in thermoplastic elastomer (TPE), thus improve stretching and the impact strength of thermoplastic elastomer (TPE), generation polyisobutylene butanedioic anhydride is reacted secondly by high-activity polyisobutene and the maleic anhydride in raw material, strengthen the dispersion effect of each composition, synthesis vegetable esters is used to use as plasticizer, there is advantage, softening oil and the polyisobutylene such as environment-protecting asepsis, volatility be low and ensure that the original flexibility of goods and elastic performance.
Description
[technical field]
The present invention relates to the technical field of the technical field of new material, particularly modified thermoplastic elastomer.
[background technology]
Thermoplastic elastomer (TPE) has the serviceability of gum elastic and the processing characteristics of plastics concurrently, can be repeated several times and add
Work, great economic worth in prospective material develops.Currently, widely used thermoplastic elastic material bag
Include polystyrene type, TPO and polyurethanes.Organosilicon material due to have excellence weatherability,
All conglomeraties such as abilities such as high-low temperature resistant and being used for are built, electronics, water process, space flight and the energy.Existing
Thermoplastic elastomer (TPE) also has and adds what organosilicon material was modified, but owing to organosilicon is in most of warm
In thermoplastic elastic, affinity and dispersibility are poor, it is impossible to effectively make organosilicon material at thermoplastic elastomer (TPE)
In fully dispersed, the stretching of thermoplastic elastomer (TPE) and impact strength performance improve limited.And typically use
DOP, DBP make primary plasticizer and use, and pollute more serious, do not have environment-protecting asepsis, volatility is low, press down
Making advantages such as oozing out, after adding organosilicon material, the quality of goods has declined, Organic silicon thermoplastic elastomer
Flexibility and elasticity have much room for improvement.
[summary of the invention]
The purpose of the present invention solves the problems of the prior art exactly, proposes a kind of organic-silicon-modified thermoplastic elastomehc
Gonosome, it is possible to make raising organosilicon material and the hardening agent affinity in thermoplastic elastic body and dispersibility,
Improve the stretching of goods and impact strength performance, and have that environment-protecting asepsis, volatility be low, suppression is oozed out
Etc. advantage, ensure that the original flexibility of goods and elastic performance simultaneously.
For achieving the above object, the present invention proposes a kind of organic-silicon-modified thermoplastic elastomer (TPE), including following
Component and each constituent mass ratio be: styrene block copolymer 30～45 parts, polyisobutylene 30～45 parts,
Modified polypropene 20～30 parts, maleic anhydride 15～25 parts, organosilicon 15～25 parts, hardening agent 5～10
Part, synthesis vegetable esters 10～15 parts, softening oil 10～15 parts, modified polypropene uses polypropylene toughening female
One or two kinds of in material or polypropylene grafted maleic anhydride, polypropylene toughening master batch uses cross-linking agent to make
Polypropylene and ethylene acrylic acid co polymer, ethylene methyl acrylate copolymer generation chemical graft and cross-linking reaction,
Polypropylene grafted maleic anhydride is prepared by polypropylene reacted extruding graft maleic anhydride, described styrene block
Copolymer be styrene butadiene styrene block copolymer (SBS), styrene-isoprene-phenylethene block altogether
Polymers, styrene-ethylene-butylene-styrene block copolymer and styrene ethylene-propylene-styrene type are embedding
One or any several mixture in section copolymer, described organosilicon is in silicones and organic silica gel
One or two kinds of, described hardening agent is natural silicate, the Kaolin of calcining, slate and nepheline syenite
In one or any several mixture, described polyisobutylene is low-molecular-weight polyisobutylene, poly-isobutyl
The molecular weight of alkene is 1000～3000, and polyisobutylene is high-activity polyisobutene, on the chain end of polyisobutylene
Methyl vinylidene content is 66%～73%, described softening oil be hydrogenation white oil and paraffin oil in one or
Two kinds.
As preferably, each constituent mass ratio is: styrene block copolymer 33 parts, polyisobutylene 34 parts,
Modified polypropene 22 parts, maleic anhydride 16 parts, organosilicon 17 parts, hardening agent 5 parts, synthesize vegetable esters 12
Part, softening oil 11 parts.
As preferably, each constituent mass ratio is: styrene block copolymer 41 parts, polyisobutylene 39 parts,
Modified polypropene 25 parts, maleic anhydride 19 parts, organosilicon 21 parts, hardening agent 7 parts, synthesize vegetable esters 13
Part, softening oil 13 parts.
As preferably, each constituent mass ratio is: styrene block copolymer 44 parts, polyisobutylene 43 parts,
Modified polypropene 29 parts, maleic anhydride 23 parts, organosilicon 24 parts, hardening agent 9 parts, synthesize vegetable esters 15
Part, softening oil 15 parts.
Beneficial effects of the present invention: the present invention promotes polar material by using polypropylene grafted maleic anhydride
With non-polar material cementability and the compatibility, effectively strengthen organosilicon dispersion in thermoplastic elastomer (TPE),
Thus improve stretching and the impact strength of thermoplastic elastomer (TPE), secondly by high-activity polyisobutene and raw material
Maleic anhydride reaction generate polyisobutylene butanedioic anhydride, strengthen the dispersion effect of each composition, use synthesis
Vegetable esters replaces traditional DOP, DBP to use as plasticizer, have environment-protecting asepsis, volatility low,
Suppression advantage, softening oil and the polyisobutylene such as is oozed out and be ensure that the original flexibility of goods and elastic performance.
[detailed description of the invention]
A kind of organic-silicon-modified thermoplastic elastomer (TPE) of the present invention, including following components and each constituent mass ratio be:
Styrene block copolymer 30～45 parts, polyisobutylene 30～45 parts, modified polypropene 20～30 parts, horse
Come anhydride 15～25 parts, organosilicon 15～25 parts, hardening agent 5～10 parts, synthesis vegetable esters 10～15 parts,
Softening oil 10～15 parts, described styrene block copolymer be styrene butadiene styrene block copolymer (SBS),
Styrene isoprene styrene block copolymer (SIS), styrene-ethylene-butylene-styrene block copolymer and
One or any several mixture in styrene ethylene-propylene-styrene type block copolymer, described
Polyisobutylene is low-molecular-weight polyisobutylene, and the molecular weight of polyisobutylene is 1000～3000, and polyisobutylene is
High-activity polyisobutene, on the chain end of polyisobutylene, methyl vinylidene content is 66%～73%, described in change
Property polypropylene use the one or two kinds of in polypropylene toughening master batch or polypropylene grafted maleic anhydride, institute
Stating polypropylene toughening master batch uses cross-linking agent to make polypropylene and ethylene acrylic acid co polymer, ethylene methyl acrylate
Copolymer generation chemical graft and cross-linking reaction, described organosilicon be the one in silicones and organic silica gel or
Person two kinds, described hardening agent is in natural silicate, the Kaolin of calcining, slate and nepheline syenite
Kind or the most several mixture, described softening oil is the one or two kinds of in hydrogenation white oil and paraffin oil.
Polypropylene toughening master batch:
The polypropylene toughening master batch used in the present invention uses cross-linking agent to make polypropylene and ethylene-acrylic acid copolymer
Thing, ethylene methyl acrylate copolymer generation chemical graft and cross-linking reaction, ensureing that thermoplastic elastomer (TPE) draws
Stretch in the case of intensity, elongation rate of tensile failure and tearing strength all strengthen, make thermoplastic elastomers have simultaneously
Certain mechanical strength.
Polypropylene grafted maleic anhydride:
Polypropylene grafted maleic anhydride is prepared, nonpolar by polypropylene reacted extruding graft maleic anhydride
Introducing highly polar side base on molecular backbone, maleic anhydride inoculated polypropylene can become enhancement polar material
With non-polar material cementability and the bridge of the compatibility.Maleic anhydride grafting is added when producing block coefficient
Polypropylene, can significantly improve organosilicon material and the affinity of copolymer and dispersibility, therefore can effectively increase
Strong organosilicon material dispersion effect in thermoplastic elastomer (TPE), thus improve thermoplastic elastomer (TPE) stretching and
Impact strength.
Synthesis vegetable esters:
A kind of novel environment-friendlyplasticizer plasticizer, cheap with its product price, excellent product performance, reach method can be passed through
Rule, and it is increasingly becoming main flow plasticizer, it can substitute for DOP, DBP completely and makees primary plasticizer use,
It is better than DOP, DBP on several important parameters.It is high that it has plasticizer efficiency, environment-protecting asepsis, heat
Stabilization time is long, and good with polymer compatibility, volatility is low, can suppress to ooze out, and extender capacity is big, system
Product brightness advantages of higher.
Embodiment one:
Styrene butadiene styrene block copolymer (SBS) 17 parts, styrene-isoprene-phenylethene block is altogether
Polymers 16 parts, polyisobutylene 34 parts, polypropylene toughening master batch 10 parts, polypropylene grafted maleic anhydride 12
Part, maleic anhydride 16 parts, silicones 17 parts, natural silicate 2 parts, the Kaolin of calcining 3 parts, closes
Become vegetable esters 12 parts, hydrogenate white oil 11 parts.
Embodiment two:
Styrene butadiene styrene block copolymer (SBS) 13 parts, styrene-isoprene-phenylethene block is altogether
Polymers 14 parts, styrene-ethylene-butylene-styrene block copolymer 14 parts, polyisobutylene 39 parts, poly-
Propylene toughened master batch 8 parts, polypropylene grafted maleic anhydride 17 parts, maleic anhydride 19 parts, silicones 7 parts,
Organic silica gel 14 parts, the Kaolin of calcining 7 parts, synthesize vegetable esters 13 parts, hydrogenate white oil 11 parts, paraffin
Oil 2 parts.
Embodiment three:
Styrene butadiene styrene block copolymer (SBS) 11 parts, styrene-isoprene-phenylethene block is altogether
Polymers 11 parts, styrene-ethylene-butylene-styrene block copolymer 11 parts, styrene ethylene-propylene-
Styrene type block copolymer 11 parts, polyisobutylene 43 parts, polypropylene grafted maleic anhydride 29 parts, Malaysia
23 parts of anhydride, silicones 4 parts, organic silica gel 20 parts, natural silicate 3 parts, the Kaolin 3 of calcining
Part, slate 3 parts, synthesize vegetable esters 15 parts, hydrogenate white oil 11 parts, paraffin oil 4 parts.
Above-described embodiment is the description of the invention, is not limitation of the invention, any simple to the present invention
Scheme after conversion belongs to protection scope of the present invention.
Claims (4)
1. an organic-silicon-modified thermoplastic elastomer (TPE), it is characterised in that: include following components and each constituent mass ratio
Example is: styrene block copolymer 30～45 parts, polyisobutylene 30～45 parts, modified polypropene 20～
30 parts, maleic anhydride 15～25 parts, organosilicon 15～25 parts, hardening agent 5～10 parts, synthesize plant
Ester 10～15 parts, softening oil 10～15 parts, modified polypropene uses polypropylene toughening master batch or poly-third
One or two kinds of in alkene grafted maleic anhydride, polypropylene toughening master batch use cross-linking agent make polypropylene with
Ethylene acrylic acid co polymer, ethylene methyl acrylate copolymer generation chemical graft and cross-linking reaction, poly-third
Alkene grafted maleic anhydride is prepared by polypropylene reacted extruding graft maleic anhydride, and described styrene block is altogether
Polymers be styrene butadiene styrene block copolymer (SBS), styrene-isoprene-phenylethene block altogether
Polymers, styrene-ethylene-butylene-styrene block copolymer and styrene ethylene-propylene-styrene type
One or any several mixture in block copolymer, described organosilicon is silicones and organosilicon
One or two kinds of in glue, described hardening agent is natural silicate, the Kaolin of calcining, slate and nepheline
One or any several mixture in syenite, described polyisobutylene is low-molecular-weight polyisobutylene,
The molecular weight of polyisobutylene is 1000～3000, and polyisobutylene is high-activity polyisobutene, polyisobutylene
On chain end, methyl vinylidene content is 66%～73%, and described softening oil is in hydrogenation white oil and paraffin oil
One or two kinds of.
A kind of organic-silicon-modified thermoplastic elastomer (TPE) the most as claimed in claim 1, it is characterised in that: each component matter
Amount ratio is: styrene block copolymer 33 parts, polyisobutylene 34 parts, modified polypropene 22 parts, horse
Come 16 parts of anhydride, organosilicon 17 parts, hardening agent 5 parts, synthesize vegetable esters 12 parts, softening oil 11 parts.
A kind of organic-silicon-modified thermoplastic elastomer (TPE) the most as claimed in claim 1, it is characterised in that: each component matter
Amount ratio is: styrene block copolymer 41 parts, polyisobutylene 39 parts, modified polypropene 25 parts, horse
Come 19 parts of anhydride, organosilicon 21 parts, hardening agent 7 parts, synthesize vegetable esters 13 parts, softening oil 13 parts.
A kind of organic-silicon-modified thermoplastic elastomer (TPE) the most as claimed in claim 1, it is characterised in that: each component matter
Amount ratio is: styrene block copolymer 44 parts, polyisobutylene 43 parts, modified polypropene 29 parts, horse
Come 23 parts of anhydride, organosilicon 24 parts, hardening agent 9 parts, synthesize vegetable esters 15 parts, softening oil 15 parts.
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| CN106589632B (en) * | 2016-12-02 | 2018-12-28 | 新疆天利高新石化股份有限公司 | A kind of micro- crosslinked thermoplastic elastomer sealing material and preparation method thereof |
| CN112280498B (en) * | 2020-10-29 | 2021-12-31 | 杭州福斯特应用材料股份有限公司 | Photovoltaic transparent butyl rubber |
| CN113930188B (en) * | 2021-09-30 | 2023-02-03 | 四川北尚新材料科技有限公司 | Underwater viscoelastic body anticorrosive adhesive, preparation method thereof and underwater viscoelastic body anticorrosive adhesive tape |
| CN114921026B (en) * | 2022-07-13 | 2024-03-22 | 陕西延长泾渭新材料科技产业园有限公司 | Antistatic flame-retardant organic silicon modified polyolefin elastomer material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001354949A (en) * | 2000-06-12 | 2001-12-25 | Yokohama Rubber Co Ltd:The | Sealing agent composition and double glazing using the same |
| CN1621424A (en) * | 2003-11-28 | 2005-06-01 | 中国石油天然气股份有限公司 | Modified coupling agent and preparation method and application thereof |
| CN101983984A (en) * | 2010-10-15 | 2011-03-09 | 金发科技股份有限公司 | Elastic body material for refrigerator sealing strips and preparation method thereof |
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| JP2008255150A (en) * | 2007-04-02 | 2008-10-23 | Sekisui Chem Co Ltd | Resin composition and surface-protective film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001354949A (en) * | 2000-06-12 | 2001-12-25 | Yokohama Rubber Co Ltd:The | Sealing agent composition and double glazing using the same |
| CN1621424A (en) * | 2003-11-28 | 2005-06-01 | 中国石油天然气股份有限公司 | Modified coupling agent and preparation method and application thereof |
| CN101983984A (en) * | 2010-10-15 | 2011-03-09 | 金发科技股份有限公司 | Elastic body material for refrigerator sealing strips and preparation method thereof |
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