CN107099142A - A kind of preparation method of silicone rubber membrane - Google Patents
A kind of preparation method of silicone rubber membrane Download PDFInfo
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- CN107099142A CN107099142A CN201710250874.6A CN201710250874A CN107099142A CN 107099142 A CN107099142 A CN 107099142A CN 201710250874 A CN201710250874 A CN 201710250874A CN 107099142 A CN107099142 A CN 107099142A
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Abstract
The invention discloses a kind of preparation method of silicone rubber membrane, it is made up of 10 12 parts of 30 40 parts of dimethyl silicone polymer, 20 30 parts of polyurethanes, 20 30 parts of epoxy resin, 8 10 parts of titanate esters, 10 15 parts of silane coupler, 68 parts of organotin, 35 parts of the tertiary fourth fat of benzylhydroperoxide, 35 parts of benzoyl peroxide, 35 parts of diphenyl silanediol, 40 50 parts of n-hexane, 7 10 parts of tetraethyl orthosilicate, 24 parts of dibutyl tin laurate, 0 12 parts of silica 1,10 15 parts of titanium dioxide, 10 12 parts of alumina silicate and calcium silicates；This kind of silicone rubber membrane have high temperature resistant, good permeability, thickness uniform, any surface finish, it is transparent, with certain intensity and the characteristics of elasticity, not yellowing.
Description
Technical field
The present invention relates to a kind of preparation method of silicone rubber membrane.
Background technology
Silicon rubber film is that the silicon rubber using polysiloxanes as main chain is a series of a kind of extraordinary rubber with special performances
Glue, it except with excellent high-low temperature resistant and it is resistance to come to China in addition to performance, also with prominent elasticity, gas permeability, it is soft and nontoxic,
Characteristic not available for the other elastomers material such as odorlessness, physiological inertia.Therefore, silicon rubber has spy except being widely used in manufacture
Outside the rubber of different high-low temperature resistant requirement, it may also be used for manufacture functional film materials, for row as cell culture, human body are fine
Tissue such as ear-drum pad, field of tissue engineering technology medium-height trestle cladding to use.At this moment silicon rubber is required to make thickness for 0.05-
0.25mm film.For the requirement of this kind of film, be first thickness uniform, any surface finish, it is transparent, with certain intensity and
Elasticity, not yellowing.
The manufacturing technology of current silicone rubber membrane is unstable, does not reach that a kind of good permeability, high temperature resistant, thickness be uniform, surface
It is bright and clean, transparent, with certain intensity and elasticity, the effect of not yellowing.
The content of the invention
In view of this, there is high temperature resistant, good permeability, thickness uniform, any surface finish, thoroughly it is an object of the present invention to provide one kind
Silicone rubber membrane bright, with certain intensity and elasticity, the effect of not yellowing.
In order to solve the above-mentioned technical problem, the technical scheme is that：
A kind of silicone rubber membrane, it is characterised in that by 30-40 parts of dimethyl silicone polymer, 20-30 parts of polyurethanes,
20-30 parts of epoxy resin, 8-10 parts of titanate esters, 10-15 parts of silane coupler, 6-8 parts of organotin, the tertiary fourth fat 3-5 of benzylhydroperoxide
Part, 3-5 parts of benzoyl peroxide, 3-5 parts of diphenyl silanediol, 40-50 parts of n-hexane, 7-10 parts of tetraethyl orthosilicate, two bays
10-12 parts of sour dibutyl tin 2-4 parts, 0-12 parts of silica 1,10-15 parts of titanium dioxide, 10-12 parts of alumina silicate and calcium silicates
It is made.
Further, a kind of silicone rubber membrane, by 40 parts of dimethyl silicone polymer, 20 parts of polyurethanes, epoxy
20 parts of resin, 8 parts of titanate esters, 10 parts of silane coupler, 6 parts of organotin, 3 parts of the tertiary fourth fat of benzylhydroperoxide, benzoyl peroxide 3
Part, 3 parts of diphenyl silanediol, 40 parts of n-hexane, 7 parts of tetraethyl orthosilicate, 2 parts of dibutyl tin laurate, 0 part of silica 1,
10 parts of 10 parts of titanium dioxide, 10 parts of alumina silicate and calcium silicates are made.
Further, a kind of silicone rubber membrane, by 30 parts of dimethyl silicone polymer, 30 parts of polyurethanes, epoxy
30 parts of resin, 10 parts of titanate esters, 15 parts of silane coupler, 8 parts of organotin, 5 parts of the tertiary fourth fat of benzylhydroperoxide, benzoyl peroxide 5
Part, 5 parts of diphenyl silanediol, 50 parts of n-hexane, 10 parts of tetraethyl orthosilicate, 4 parts of dibutyl tin laurate, silica 12
Part, 15 parts of titanium dioxide, 12 parts of alumina silicate and 12 parts of calcium silicates are made.
Further, a kind of silicone rubber membrane, by 35 parts of dimethyl silicone polymer, 25 parts of polyurethanes, epoxy
25 parts of resin, 9 parts of titanate esters, 12.5 parts of silane coupler, 7 parts of organotin, 4 parts of the tertiary fourth fat of benzylhydroperoxide, benzoyl peroxide 4
Part, 4 parts of diphenyl silanediol, 45 parts of n-hexane, 8.5 parts of tetraethyl orthosilicate, 3 parts of dibutyl tin laurate, silica 11
Part, 12.5 parts of titanium dioxide, 11 parts of alumina silicate and 11 parts of calcium silicates are made.
The invention solves the problems that another technical problem to provide a kind of preparation method of silicone rubber membrane, comprise the following steps：
1) take 40-50 parts of n-hexane to be put into reactor, then add 30-40 parts of dimethyl silicone polymer, with material-compound tank with
20-25r/min speed stirring 7-10min so that dimethyl silicone polymer is completely dissolved into n-hexane, and the first mixed liquor is made,
It is standby；
2) in step 1) made from 6-8 part of catalyst organotin and dibutyl tin laurate 2- are added in the first mixed liquor
10-15 parts of 4 parts, 20-30 parts of adhesive polyurethanes, 8-10 parts of coupling agent titanate esters and silane coupler, heat 10-15
Minute so that temperature reaches 60 DEG C, and the second mixed liquor is made, standby；
3) take 10-12 parts of 0-12 parts of silica 1,10-12 parts of alumina silicate and alumina silicate to be put into reactor, with material-compound tank with
20-30r/min speed stirring 5-8min so that silica, alumina silicate and alumina silicate are well mixed, and the first mixing is made
Thing, it is standby；
4) by step 3) made from the first mixture add step 2) made from the second mixed liquor, then add positive silicon
7-10 parts of acetoacetic ester, heats 10-15min so that temperature reaches 80 DEG C, and the second mixture is made, standby；
5) in step 4) made from add in the second mixture 3-5 parts of diphenyl silanediol, 20-30 parts of epoxy resin and
10-15 parts of toner titanium dioxide, continues to heat 7-10min so that temperature reaches 100 DEG C, and the 3rd mixture is made, standby；
6) by step 5) made from the 3rd mixture be put into mixer, then add vulcanizing agent benzylhydroperoxide tertiary fourth fat 3-5
Part and 3-5 part of benzoyl peroxide, 10-15min is stirred with 40-50r/min speed so that step 5) made from the 3rd mix
Thing full cure, is made the 4th mixture, standby；
7) by step 6) made from the 4th mixture be poured into silicone rubber membrane mould, in 20 DEG C of environment, natural cooling
1-2 hours；
8) by step 7) cooling after silicone rubber membrane mould be put into vacuum drying chamber, with 50 DEG C of heated at constant temperature 2-3h,
So that silicone rubber membrane is fully cured, produce.
The technology of the present invention effect major embodiment is in the following areas：By fusing n-hexane and poly dimethyl silicon in a kettle.
Oxygen alkane, which is made in the first mixed liquor, adds catalyst organotin and dibutyl tin laurate, adhesive polyurethanes, idol
Join and heated after agent titanate esters and silane coupler so that temperature reaches 60 DEG C, the second mixed liquor is made, then in the second mixed liquor
Middle add continues to heat by stirring the first mixture made from silica, alumina silicate and alumina silicate and tetraethyl orthosilicate, makes
Obtain temperature and reach 80 DEG C, obtain the second mixture, then addition diphenyl silanediol, epoxy resin and coloring in the second mixture
Agent titanium dioxide continues to heat so that temperature reaches 100 DEG C, and the 3rd mixture is made, the 3rd mixture is put into after mixer
Add the tertiary fourth fat of vulcanizing agent benzylhydroperoxide and benzoyl peroxide is vulcanized, obtain the 4th mixture, after then vulcanizing again
The 4th mixture be poured into silicone rubber membrane mould natural cooling 1-2 hours, mould is finally put into vacuum drying chamber, with 50 DEG C
Heated at constant temperature 2-3h so that silicone rubber membrane is fully cured, and being made a kind of has that high temperature resistant, good permeability, thickness be uniform, surface
Silicone rubber membrane bright and clean, transparent, with certain intensity and elasticity, not yellowing effect.
Embodiment
Embodiment 1
A kind of silicone rubber membrane, by 40 parts of dimethyl silicone polymer, 20 parts of polyurethanes, 20 parts of epoxy resin, metatitanic acid
8 parts of ester, 10 parts of silane coupler, 6 parts of organotin, 3 parts of the tertiary fourth fat of benzylhydroperoxide, 3 parts of benzoyl peroxide, diphenyl silanediol
3 parts, 40 parts of n-hexane, 7 parts of tetraethyl orthosilicate, 2 parts of dibutyl tin laurate, 0 part of silica 1,10 parts of titanium dioxide, silicon
Sour 10 parts of aluminium is made with 10 parts of calcium silicates.
A kind of preparation method of silicone rubber membrane, comprises the following steps：
1) take 40 parts of n-hexane to be put into reactor, 40 parts of dimethyl silicone polymer is then added, with material-compound tank with 25r/min
Speed stirring 10min so that dimethyl silicone polymer is completely dissolved into n-hexane, be made the first mixed liquor, it is standby；
2) in step 1) made from 2 parts of 6 parts of catalyst organotin and dibutyl tin laurate are added in the first mixed liquor,
10 parts of 20 parts of adhesive polyurethanes, 8 parts of coupling agent titanate esters and silane coupler, are heated 15 minutes so that temperature reaches
To 60 DEG C, the second mixed liquor is made, it is standby；
3) 10 parts of 0 part of silica 1,10 parts of alumina silicate and alumina silicate is taken to be put into reactor, with material-compound tank with 30r/min's
Speed stirs 8min so that silica, alumina silicate and alumina silicate are well mixed, and the first mixture is made, standby；
4) by step 3) made from the first mixture add step 2) made from the second mixed liquor, then add positive silicon
7 parts of acetoacetic ester, heats 15min so that temperature reaches 80 DEG C, and the second mixture is made, standby；
5) in step 4) made from 3 parts of diphenyl silanediol, 20 parts of epoxy resin and colouring agent are added in the second mixture
10 parts of titanium dioxide, continues to heat 10min so that temperature reaches 100 DEG C, and the 3rd mixture is made, standby；
6) by step 5) made from the 3rd mixture be put into mixer, then add tertiary 3 parts of the fourth fat of vulcanizing agent benzylhydroperoxide
With 3 parts of benzoyl peroxide, 15min is stirred with 50r/min speed so that step 5) made from the 3rd abundant sulphur of mixture
Change, the 4th mixture is made, it is standby；
7) by step 6) made from the 4th mixture be poured into silicone rubber membrane mould, in 20 DEG C of environment, natural cooling 2
Hour；
8) by step 7) cooling after silicone rubber membrane mould be put into vacuum drying chamber, with 50 DEG C of heated at constant temperature 3h, make
Obtain silicone rubber membrane to be fully cured, produce.
Embodiment 2
A kind of silicone rubber membrane, by 30 parts of dimethyl silicone polymer, 30 parts of polyurethanes, 30 parts of epoxy resin, metatitanic acid
10 parts of ester, 15 parts of silane coupler, 8 parts of organotin, 5 parts of the tertiary fourth fat of benzylhydroperoxide, 5 parts of benzoyl peroxide, diphenyl silicon two
5 parts of alcohol, 50 parts of n-hexane, 10 parts of tetraethyl orthosilicate, 4 parts of dibutyl tin laurate, 2 parts of silica 1, titanium dioxide 15
12 parts of part, 12 parts of alumina silicate and calcium silicates are made.
A kind of preparation method of silicone rubber membrane, comprises the following steps：
1) take 50 parts of n-hexane to be put into reactor, 30 parts of dimethyl silicone polymer is then added, with material-compound tank with 20r/min
Speed stirring 7min so that dimethyl silicone polymer is completely dissolved into n-hexane, be made the first mixed liquor, it is standby；
2) in step 1) made from 4 parts of 8 parts of catalyst organotin and di lauric dibutyl are added in the first mixed liquor, glue
15 parts of 30 parts of mixture polyurethanes, 10 parts of coupling agent titanate esters and silane coupler, are heated 10 minutes so that temperature reaches
60 DEG C, the second mixed liquor is made, it is standby；
3) 12 parts of 2 parts of silica 1,12 parts of alumina silicate and alumina silicate is taken to be put into reactor, with material-compound tank with 30r/min's
Speed stirs 5min so that silica, alumina silicate and alumina silicate are well mixed, and the first mixture is made, standby；
4) by step 3) made from the first mixture add step 2) made from the second mixed liquor, then add positive silicon
10 parts of acetoacetic ester, heats 10min so that temperature reaches 80 DEG C, and the second mixture is made, standby；
5) in step 4) made from 5 parts of diphenyl silanediol, 30 parts of epoxy resin and colouring agent are added in the second mixture
15 parts of titanium dioxide, continues to heat 7min so that temperature reaches 100 DEG C, and the 3rd mixture is made, standby；
6) by step 5) made from the 3rd mixture be put into mixer, then add tertiary 5 parts of the fourth fat of vulcanizing agent benzylhydroperoxide
With 5 parts of benzoyl peroxide, 10min is stirred with 40r/min speed so that step 5) made from the 3rd abundant sulphur of mixture
Change, the 4th mixture is made, it is standby；
7) by step 6) made from the 4th mixture be poured into silicone rubber membrane mould, in 20 DEG C of environment, natural cooling 1
Hour；
8) by step 7) cooling after silicone rubber membrane mould be put into vacuum drying chamber, with 50 DEG C of heated at constant temperature 2h, make
Obtain silicone rubber membrane to be fully cured, produce.
Embodiment 3
A kind of silicone rubber membrane, by 35 parts of dimethyl silicone polymer, 25 parts of polyurethanes, 25 parts of epoxy resin, metatitanic acid
9 parts of ester, 12.5 parts of silane coupler, 7 parts of organotin, 4 parts of the tertiary fourth fat of benzylhydroperoxide, 4 parts of benzoyl peroxide, diphenyl silicon two
4 parts of alcohol, 45 parts of n-hexane, 8.5 parts of tetraethyl orthosilicate, 3 parts of dibutyl tin laurate, 1 part of silica 1, titanium dioxide
11 parts of 12.5 parts, 11 parts of alumina silicate and calcium silicates are made.
A kind of preparation method of silicone rubber membrane, comprises the following steps：
1) take 45 parts of n-hexane to be put into reactor, 35 parts of dimethyl silicone polymer is then added, with material-compound tank with 23r/min
Speed stirring 9min so that dimethyl silicone polymer is completely dissolved into n-hexane, be made the first mixed liquor, it is standby；
2) in step 1) made from 3 parts of 7 parts of catalyst organotin and dibutyl tin laurate are added in the first mixed liquor,
12.5 parts of 25 parts of adhesive polyurethanes, 9 parts of coupling agent titanate esters and silane coupler, are heated 13 minutes so that temperature
60 DEG C are reached, the second mixed liquor is made, it is standby；
3) 11 parts of 1 part of silica 1,11 parts of alumina silicate and alumina silicate is taken to be put into reactor, with material-compound tank with 25r/min's
Speed stirs 7min so that silica, alumina silicate and alumina silicate are well mixed, and the first mixture is made, standby；
4) by step 3) made from the first mixture add step 2) made from the second mixed liquor, then add positive silicon
8.5 parts of acetoacetic ester, heats 13min so that temperature reaches 80 DEG C, and the second mixture is made, standby；
5) in step 4) made from 4 parts of diphenyl silanediol, 25 parts of epoxy resin and colouring agent are added in the second mixture
12.5 parts of titanium dioxide, continues to heat 9min so that temperature reaches 100 DEG C, and the 3rd mixture is made, standby；
6) by step 5) made from the 3rd mixture be put into mixer, then add tertiary 4 parts of the fourth fat of vulcanizing agent benzylhydroperoxide
With 4 parts of benzoyl peroxide, 13min is stirred with 45r/min speed so that step 5) made from the 3rd abundant sulphur of mixture
Change, the 4th mixture is made, it is standby；
7) by step 6) made from the 4th mixture be poured into silicone rubber membrane mould, in 20 DEG C of environment, natural cooling 2
Hour；
8) by step 7) cooling after silicone rubber membrane mould be put into vacuum drying chamber, with 50 DEG C of heated at constant temperature 2.5h,
So that silicone rubber membrane is fully cured, produce.
Experimental example
Experimental subjects：Using silicone rubber membrane of the present invention as experimental group, General Purpose Rubber film as a control group one, special rubber membrane
As a control group two, it is desirable to which three groups of rubber film thicknesses are identical with area.
Experimental method：Silicone rubber membrane, usual silicone rubber film and special silicone rubber membrane are breathed freely with air permeability tester
Property test, and contrasted according to the heat resistance of three groups of silicone rubber membranes, yellowing and elasticity.
Table one is the reference environment of air permeability tester：
| Instrument placement location | On smooth, firm platform (or basis) |
| Surrounding equipment | Without high-intensity magnetic field, without vibration source |
| Room atmosphere | Room atmosphere non-corrosiveness medium, no larger particles type dust, steady air current |
| Environment | 20 ± 3 DEG C of humidity RH of temperature：≤ 65% |
| Power supply | Using power supply Ac220V ± 10V, 50Hz, ground connection is good |
Table one
Table two is the physical record of three groups of rubber membrane gas permeabilities：
Table two
Table three is the physical record of three groups of rubber film heat resistances, yellowness and elasticity：
Table three
With reference to table two and table three, the contrast through three groups of rubber membranes is as can be seen that the gas permeability of the silicone rubber membrane of the present invention, resistance to
Hot, anti-yellowing degree and elasticity are better than ordinary rubber film and special rubber membrane.
The technology of the present invention effect major embodiment is in the following areas：By fusing n-hexane and poly dimethyl silicon in a kettle.
Oxygen alkane, which is made in the first mixed liquor, adds catalyst organotin and dibutyl tin laurate, adhesive polyurethanes, idol
Join and heated after agent titanate esters and silane coupler so that temperature reaches 60 DEG C, the second mixed liquor is made, then in the second mixed liquor
Middle add continues to heat by stirring the first mixture made from silica, alumina silicate and alumina silicate and tetraethyl orthosilicate, makes
Obtain temperature and reach 80 DEG C, obtain the second mixture, then addition diphenyl silanediol, epoxy resin and coloring in the second mixture
Agent titanium dioxide continues to heat so that temperature reaches 100 DEG C, and the 3rd mixture is made, the 3rd mixture is put into after mixer
Add the tertiary fourth fat of vulcanizing agent benzylhydroperoxide and benzoyl peroxide is vulcanized, obtain the 4th mixture, after then vulcanizing again
The 4th mixture be poured into silicone rubber membrane mould natural cooling 1-2 hours, mould is finally put into vacuum drying chamber, with 50 DEG C
Heated at constant temperature 2-3h so that silicone rubber membrane is fully cured, and being made a kind of has that high temperature resistant, good permeability, thickness be uniform, surface
Silicone rubber membrane bright and clean, transparent, with certain intensity and elasticity, not yellowing effect.
Certainly, it is the representative instance of the present invention above, in addition, the present invention can also have other a variety of specific implementations
The technical scheme of mode, all use equivalent substitutions or equivalent transformation formation, all falls within the scope of protection of present invention.
Claims (4)
1. a kind of silicone rubber membrane, it is characterised in that by 30-40 parts of dimethyl silicone polymer, 20-30 parts of polyurethanes, ring
20-30 parts of oxygen tree fat, 8-10 parts of titanate esters, 10-15 parts of silane coupler, 6-8 parts of organotin, 3-5 parts of benzylhydroperoxide tertiary fourth fat,
3-5 parts of benzoyl peroxide, 3-5 parts of diphenyl silanediol, 40-50 parts of n-hexane, 7-10 parts of tetraethyl orthosilicate, tin dilaurate two
10-12 parts of 2-4 parts of butyl tin, 0-12 parts of silica 1,10-15 parts of titanium dioxide, 10-12 parts of alumina silicate and calcium silicates are made.
2. a kind of silicone rubber membrane as claimed in claim 1, it is characterised in that by 40 parts of dimethyl silicone polymer, polyurethane
20 parts of ester, 20 parts of epoxy resin, 8 parts of titanate esters, 10 parts of silane coupler, 6 parts of organotin, 3 parts of the tertiary fourth fat of benzylhydroperoxide, peroxide
Change 3 parts of benzoyl, 3 parts of diphenyl silanediol, 40 parts of n-hexane, 7 parts of tetraethyl orthosilicate, 2 parts of dibutyl tin laurate, dioxy
10 parts of 10 parts of SiClx, 10 parts of titanium dioxide, 10 parts of alumina silicate and calcium silicates are made.
3. a kind of silicone rubber membrane as claimed in claim 1, it is characterised in that by 30 parts of dimethyl silicone polymer, polyurethane
30 parts of ester, 30 parts of epoxy resin, 10 parts of titanate esters, 15 parts of silane coupler, 8 parts of organotin, 5 parts of the tertiary fourth fat of benzylhydroperoxide, mistake
5 parts of BP, 5 parts of diphenyl silanediol, 50 parts of n-hexane, 10 parts of tetraethyl orthosilicate, 4 parts of dibutyl tin laurate,
12 parts of 2 parts of silica 1,15 parts of titanium dioxide, 12 parts of alumina silicate and calcium silicates are made.
4. a kind of silicone rubber membrane as claimed in claim 1, it is characterised in that by 35 parts of dimethyl silicone polymer, polyurethane
25 parts of ester, 25 parts of epoxy resin, 9 parts of titanate esters, 12.5 parts of silane coupler, 7 parts of organotin, 4 parts of the tertiary fourth fat of benzylhydroperoxide, mistake
4 parts of BP, 4 parts of diphenyl silanediol, 45 parts of n-hexane, 8.5 parts of tetraethyl orthosilicate, 3 parts of dibutyl tin laurate,
11 parts of 1 part of silica 1,12.5 parts of titanium dioxide, 11 parts of alumina silicate and calcium silicates are made.
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| CN109125913A (en) * | 2018-11-05 | 2019-01-04 | 王云鹏 | A kind of medical scar plaster of drug containing and preparation method thereof |
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