CN106178123A - A kind of add-on type artificial gum silica gel material and preparation method thereof - Google Patents
A kind of add-on type artificial gum silica gel material and preparation method thereof Download PDFInfo
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- CN106178123A CN106178123A CN201610687469.6A CN201610687469A CN106178123A CN 106178123 A CN106178123 A CN 106178123A CN 201610687469 A CN201610687469 A CN 201610687469A CN 106178123 A CN106178123 A CN 106178123A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/40—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
- A61L27/44—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
- A61L27/446—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with other specific inorganic fillers other than those covered by A61L27/443 or A61L27/46
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/12—Materials or treatment for tissue regeneration for dental implants or prostheses
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Abstract
The invention provides a kind of add-on type artificial gum silica gel material and preparation method thereof, belong to silastic material field, described add-on type artificial gum silica gel material is made up of by 1 2:1 of its weight ratio matrix components and catalytic component, described silicone rubber matrix components is counted by weight and is included: elastomeric compound 20 50 parts, vinyl silicone oil 10 30 parts, fume colloidal silica 8 20 parts, containing hydrogen silicone oil cross-linking agent 38 parts, chain extender 38 parts, half reinforced filling 10 20 parts, vulcanization retarder 0.1 0.5 parts, constitution controller 24 parts；Described silicone rubber catalytic component is counted by weight and is included: elastomeric compound 20 50 parts, vinyl silicone oil 10 30 parts, fume colloidal silica 5 10 parts, platinum content is the platinum catalyst 0.1 0.5 parts of 20000ppm, dimethicone 15 parts, plasticizer 13 parts, half reinforced filling 10 20 parts；Described silica gel material is mixing cured under normal temperature and pressure, and technique is simple to operation.Add-on type artificial gum silica gel material deformation rate of the present invention is little, intensity is high, be not easy structuring, degree of accuracy is higher.
Description
Technical field
The present invention relates to addition-type silicon rubber material, in particular it relates to a kind of add-on type artificial gum silica gel material and
Its preparation method.
Background technology
Along with improving constantly of people's knowledge hierarchy and living standard, the reparation of fixed denture, the most increasingly recognized by people
Can and accept.For the adaptation between repair to denture and soft tissue, artificial gum is extensively applied in clinical position.But at present
On market, the multiple mould silica gel artificial gum of the condensed type of circulation is easily deformed, and intensity is the highest, and the easy structuring when plantation, during reparation
Precision is poor, is difficulty with the effect that gingiva light is beautiful, it is difficult to improve aesthetic effect and the late result of plantation repair to denture.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide a kind of multiple mould silica gel deformation rate little, intensity is high, no
Easily structuring, add-on type artificial gum silica gel material that degree of accuracy is high and preparation method thereof.
For solving above technical problem, the present invention adopts the following technical scheme that a kind of add-on type artificial gum silica gel material
Material, is made up of by the 1-2:1 of its weight ratio matrix components and catalytic component, and described silicone rubber matrix components is counted by weight
Including: elastomeric compound 20-50 part, vinyl silicone oil 10-30 part, fume colloidal silica 8-20 part, containing hydrogen silicone oil cross-linking agent 3-8 part,
Chain extender 3-8 part, half reinforced filling 10-20 part, vulcanization retarder 0.1-0.5 part, constitution controller 2-4 part；Described silicone rubber
Catalytic component is counted by weight and is included: elastomeric compound 20-50 part, vinyl silicone oil 10-30 part, fume colloidal silica 5-10
Part, platinum content is platinum catalyst 0.1-0.5 part of 20000ppm, and dimethicone 1-5 part, plasticizer 1-3 part, half reinforcement is filled out
Material 10-20 part.
Preferably, described vinyl silicone oil is the polydimethylsiloxane of ethenyl blocking, described polydimethylsiloxane
Viscosity is 1000mPa s-10000 mPa s.
Preferably, described elastomeric compound is vinyl silicone oil and the white carbon of 20%-40% weight portion of 60%-80% weight portion
Mixture, the viscosity of described vinyl silicone oil is 50000cSt, and described white carbon is through the sedimentation method modified for coupling agent Si69
White carbon.
Preferably, described fume colloidal silica processes through surface hydrophobicity.
Preferably, described half reinforced filling include silicon powder, silica flour, alumina powder, titanium dioxide, food-grade calcium carbonate,
Pulvis Talci or its any mixture.
Preferably, during described constitution controller is the hydroxy silicon oil that diphenyl silanediol is viscous or degree is 50-500mpa.s
A kind of.
Preferably, described containing hydrogen silicone oil cross-linking agent is Methyl Hydrogen Polysiloxane Fluid, the containing hydrogen silicone oil of hydrogen end-blocking or its mixture.
Preferably, described chain extender be silicon hydrogen content be 2.55mmoles/g containing hydrogen silicone oil, increase linear ethylene base silicone oil
Molecular weight in sulfidation, plays the effect increasing intensity.
Preferably, described plasticizer selects phthalic ester plasticizer or environment-friendlyplasticizer plasticizer, preferably environment-friendly type to increase
Mould agent.
The preparation method of described add-on type artificial gum silica gel material is as follows:
(1) prepared by elastomeric compound: take the vinyl silicone oil of proportioning part and the precipitated silica of modification after muller mixing 1h
Mill by three-roll mill and obtain.
(2) take the liquid component in matrix components, be sufficiently stirred for, after mix homogeneously, add powder component in matrix components,
Mediate uniformly with kneader again, vacuum outgas；Taking the liquid component in catalytic component, be sufficiently stirred for, mix homogeneously adds base
Powder component in matter component, then mediate uniformly with kneader, vacuum outgas；
(3), under normal temperature and pressure, uniform matrix components and catalytic component mixing solidification will be mediated, obtain described add-on type artificial
Gingiva silica gel material.
Compared with prior art, the present invention has a following beneficial effect:
The polydimethylsiloxane of the ethenyl blocking of 1, nontoxic selected by the present invention and high-low temperature resistant is room temperature vulcanized silicone rubber
Rubber, makes prepared silicone rubber have good performance and be widely applied prospect.
2, add-on type artificial gum silica gel material deformation rate of the present invention is little, intensity is high, be not easy structuring, accurately
Du Genggao.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention.
Embodiment 1
The silica gel material of add-on type artificial gum described in the present embodiment, is pressed its weight ratio by matrix components and catalytic component
1:1 forms, and described silicone rubber matrix components is counted by weight and included: elastomeric compound 35 parts, vinyl silicone oil 30 parts, vapor phase method is white
White carbon black 15 parts, Methyl Hydrogen Polysiloxane Fluid 2 parts, the containing hydrogen silicone oil 1 part of hydrogen end-blocking, chain extender 5 parts, half reinforced filling 15 parts, sulfuration is prolonged
Agent 0.4 part late, constitution controller 3 parts；Described silicone rubber catalytic component is counted by weight and is included: elastomeric compound 30 parts, ethylene
Base silicone oil 20 parts, fume colloidal silica 8 parts, platinum content is 20000ppm platinum catalyst 0.3 part, dimethicone 3 parts, plasticising
Agent 1 part, half reinforced filling 13 parts.
In above-described embodiment vinyl silicone oil used be viscosity be the polydimethylsiloxanes of 5000mPa s ethenyl blocking
Alkane；Fume colloidal silica surface used is through hydrophobic treatment；Half reinforced filling used is silicon powder, titanium dioxide, alumina powder
Mixture；Chain extender used is the silicon hydrogen content containing hydrogen silicone oil at 2.55mmoles/g, and constitution controller is viscosity 500mPa s
Hydroxy silicon oil, plasticizer used is DX-360 environment-friendly plasticizer.
The preparation method of the silica gel material of add-on type artificial gum described in the present embodiment is as follows:
(1) prepared by elastomeric compound: takes 68% vinyl silicone oil and 32% that viscosity is 50000cSt and crosses the modified precipitation of coupling agent Si69
Method white carbon is milled by three-roll mill after muller mixing 1h and is obtained.
(2) take the liquid component in matrix components, be sufficiently stirred for, after mix homogeneously, add powder component in matrix components,
Mediate uniformly with kneader again, vacuum outgas；Taking the liquid component in catalytic component, be sufficiently stirred for, mix homogeneously adds base
Powder component in matter component, then mediate uniformly with kneader, vacuum outgas；
(3), under normal temperature and pressure, uniform matrix components and catalytic component mixing solidification will be mediated, obtain described add-on type artificial
Gingiva silica gel material.
After tested, in the present embodiment, this silicone rubber shore hardness reaches 62shore, and elastic return reaches 99.8%, is a kind of
The silastic material of excellent performance.
Embodiment 2
The silica gel material of add-on type artificial gum described in the present embodiment, is pressed its weight ratio by matrix components and catalytic component
1:1 forms, and described silicone rubber matrix components is counted by weight and included: elastomeric compound 50 parts, vinyl silicone oil 20 parts, vapor phase method is white
White carbon black 8 parts, Methyl Hydrogen Polysiloxane Fluid 8 parts, chain extender 8 parts, half reinforced filling 20 parts, vulcanization retarder 0.5 part, constitution controller 4
Part；Described silicone rubber catalytic component is counted by weight and is included: elastomeric compound 20 parts, vinyl silicone oil 10 parts, vapor phase method Linesless charcoal
Black 10 parts, 20000ppm platinum catalyst 0.5 part, dimethicone 5 parts, plasticizer 3 parts, half reinforced filling 20 parts.
In above-described embodiment vinyl silicone oil used be viscosity be the polydimethylsiloxanes of 5000mPa s ethenyl blocking
Alkane；Fume colloidal silica surface used is through hydrophobic treatment；Half reinforced filling used is silicon powder, silica flour, alumina powder
Mixture；Chain extender used is the silicon hydrogen content containing hydrogen silicone oil at 2.55mmoles/g, and constitution controller used is viscosity
The hydroxy silicon oil of 50mPa s, plasticizer used is BBP(Butyl Benzyl Phthalate.
The preparation method of the silica gel material of add-on type artificial gum described in the present embodiment is as follows:
(1) prepared by elastomeric compound: takes 60% vinyl silicone oil and 40% that viscosity is 1000cSt and crosses the modified sedimentation method of coupling agent Si69
White carbon is milled by three-roll mill after muller mixing 1h and is obtained.
(2) take the liquid component in matrix components, be sufficiently stirred for, after mix homogeneously, add powder component in matrix components,
Mediate uniformly with kneader again, vacuum outgas；Taking the liquid component in catalytic component, be sufficiently stirred for, mix homogeneously adds base
Powder component in matter component, then mediate uniformly with kneader, vacuum outgas；
(3), under normal temperature and pressure, uniform matrix components and catalytic component mixing solidification will be mediated, obtain described add-on type artificial
Gingiva silica gel material.
After tested, in the present embodiment, this silicone rubber shore hardness reaches 65shore, and elastic return reaches 99.7%, is a kind of
The silastic material of excellent performance.
Embodiment 3
The silica gel material of add-on type artificial gum described in the present embodiment, is pressed its weight ratio by matrix components and catalytic component
2:1 forms, and described silicone rubber matrix components is counted by weight and included: elastomeric compound 20 parts, vinyl silicone oil 10 parts, vapor phase method is white
White carbon black 20 parts, the containing hydrogen silicone oil 5 parts of hydrogen end-blocking, chain extender 3 parts, half reinforced filling 10 parts, vulcanization retarder 0.1 part, structure control
2 parts of preparation；Described silicone rubber catalytic component is counted by weight and is included: elastomeric compound 50 parts, vinyl silicone oil 30 parts, vapor phase method
White carbon 5 parts, 20000ppm platinum catalyst 0.1 part, dimethicone 1 part, plasticizer 2 parts, half reinforced filling 10 parts.
In above-described embodiment vinyl silicone oil used be viscosity be the polydimethylsiloxanes of 10000mPa s ethenyl blocking
Alkane；Fume colloidal silica surface used is through hydrophobic treatment；Half reinforced filling used is silicon powder, alumina powder, food stage carbon
Acid calcium, talcous mixture；Chain extender used is the silicon hydrogen content containing hydrogen silicone oil at 2.55mmoles/g, and constitution controller is
Diphenyl silanediol, plasticizer used is dibutyl phthalate.
The preparation method of the silica gel material of add-on type artificial gum described in the present embodiment is as follows:
(1) prepared by elastomeric compound: takes 80% vinyl silicone oil and 20% that viscosity is 50000cSt and crosses the modified precipitation of coupling agent Si69
Method white carbon is milled by three-roll mill after muller mixing 1h and is obtained.
(2) take the liquid component in matrix components, be sufficiently stirred for, after mix homogeneously, add powder component in matrix components,
Mediate uniformly with kneader again, vacuum outgas；Taking the liquid component in catalytic component, be sufficiently stirred for, mix homogeneously adds base
Powder component in matter component, then mediate uniformly with kneader, vacuum outgas；
(3), under normal temperature and pressure, uniform matrix components and catalytic component mixing solidification will be mediated, obtain described add-on type artificial
Gingiva silica gel material.
After tested, in the present embodiment, this silicone rubber shore hardness reaches 60shore, and elastic return reaches 99.8%, is a kind of
The silastic material of excellent performance.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (10)
1. an add-on type artificial gum silica gel material, it is characterised in that described add-on type artificial gum silica gel material by
Matrix components and catalytic component are counted by weight included by the 1-2:1 composition of its weight ratio, described silicone rubber matrix components:
Elastomeric compound 20-50 part, vinyl silicone oil 10-30 part, fume colloidal silica 8-20 part, containing hydrogen silicone oil cross-linking agent 3-8 part, chain extender
3-8 part, half reinforced filling 10-20 part, vulcanization retarder 0.1-0.5 part, constitution controller 2-4 part；Described silicone rubber catalyst
Component is counted by weight and is included: elastomeric compound 20-50 part, vinyl silicone oil 10-30 part, and fume colloidal silica 5-10 part, platinum contains
Amount is platinum catalyst 0.1-0.5 part of 20000ppm, dimethicone 1-5 part, plasticizer 1-3 part, half reinforced filling 10-20
Part.
Add-on type artificial gum silica gel material the most according to claim 1, it is characterised in that described vinyl silicone oil is second
The polydimethylsiloxane of thiazolinyl end-blocking, described polydimethylsiloxane viscosity is 1000mPa s-10000 mPa s.
Add-on type artificial gum silica gel material the most according to claim 1, it is characterised in that described elastomeric compound is 60%-
The vinyl silicone oil of 80% weight portion and the mixture of the white carbon of 20%-40% weight portion, the viscosity of described vinyl silicone oil is
50000cSt, described white carbon is through precipitated silica modified for coupling agent Si69.
Add-on type artificial gum silica gel material the most according to claim 1, it is characterised in that described fume colloidal silica warp
Cross surface hydrophobicity to process.
Add-on type artificial gum silica gel material the most according to claim 1, it is characterised in that described half reinforced filling includes
Silicon powder, silica flour, alumina powder, titanium dioxide, food-grade calcium carbonate, Pulvis Talci or its any mixture.
Add-on type artificial gum silica gel material the most according to claim 1, it is characterised in that described constitution controller is two
One in the hydroxy silicon oil that diphenyl silanediol is viscous or degree is 50-500mpa.s.
Add-on type artificial gum silica gel material the most according to claim 1, it is characterised in that described containing hydrogen silicone oil cross-linking agent
For Methyl Hydrogen Polysiloxane Fluid, the containing hydrogen silicone oil of hydrogen end-blocking or its mixture.
Add-on type artificial gum silica gel material the most according to claim 1, it is characterised in that described chain extender is Silicon Containing Hydrogen
Oil, the silicon hydrogen content of described containing hydrogen silicone oil is 2.55mmoles/g.
Add-on type artificial gum silica gel material the most according to claim 1, it is characterised in that adjacent benzene selected by described plasticizer
Diformic ester plasticizer or environment-friendlyplasticizer plasticizer, preferably environment-friendlyplasticizer plasticizer.
10. according to a preparation method for add-on type artificial gum silica gel material, its feature described in any one of claim 1-9
It is, comprises the steps:
(1) prepared by elastomeric compound: take the vinyl silicone oil of proportioning part and the precipitated silica of modification after muller mixing 1h
Mill by three-roll mill and obtain；
(2) take the liquid component in matrix components, be sufficiently stirred for, add powder component in matrix components after mix homogeneously, then use
Kneader is mediated uniformly, vacuum outgas；Taking the liquid component in catalytic component, be sufficiently stirred for, mix homogeneously adds matrix group
Powder component in point, then mediate uniformly with kneader, vacuum outgas；
(3), under normal temperature and pressure, uniform matrix components and catalytic component mixing solidification will be mediated, obtain described add-on type artificial
Gingiva silica gel material.
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| CN201610687469.6A CN106178123A (en) | 2016-08-19 | 2016-08-19 | A kind of add-on type artificial gum silica gel material and preparation method thereof |
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| CN201610687469.6A CN106178123A (en) | 2016-08-19 | 2016-08-19 | A kind of add-on type artificial gum silica gel material and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050521A (en) * | 2017-04-27 | 2017-08-18 | 天新福（北京）医疗器材股份有限公司 | A kind of double-layer collagen dermis scaffold and preparation method thereof |
| CN110527301A (en) * | 2019-08-24 | 2019-12-03 | 江西纳恩新材料有限公司 | A kind of anti-structuring dental impression material |
| CN114344171A (en) * | 2021-12-03 | 2022-04-15 | 合肥凯蒙新材料有限公司 | Double-component condensed type room temperature fast curing silicone rubber for false tooth repair |
| CN115804720A (en) * | 2022-11-18 | 2023-03-17 | 深圳爱尔创口腔技术有限公司 | Dental silicone rubber occlusion recording material |
-
2016
- 2016-08-19 CN CN201610687469.6A patent/CN106178123A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050521A (en) * | 2017-04-27 | 2017-08-18 | 天新福（北京）医疗器材股份有限公司 | A kind of double-layer collagen dermis scaffold and preparation method thereof |
| CN110527301A (en) * | 2019-08-24 | 2019-12-03 | 江西纳恩新材料有限公司 | A kind of anti-structuring dental impression material |
| CN114344171A (en) * | 2021-12-03 | 2022-04-15 | 合肥凯蒙新材料有限公司 | Double-component condensed type room temperature fast curing silicone rubber for false tooth repair |
| CN115804720A (en) * | 2022-11-18 | 2023-03-17 | 深圳爱尔创口腔技术有限公司 | Dental silicone rubber occlusion recording material |
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