CN110093035A - A kind of strong mechanical performance room temperature vulcanized silicone rubber and preparation method thereof - Google Patents
A kind of strong mechanical performance room temperature vulcanized silicone rubber and preparation method thereof Download PDFInfo
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- CN110093035A CN110093035A CN201910200306.4A CN201910200306A CN110093035A CN 110093035 A CN110093035 A CN 110093035A CN 201910200306 A CN201910200306 A CN 201910200306A CN 110093035 A CN110093035 A CN 110093035A
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- room temperature
- silicone rubber
- vulcanized silicone
- temperature vulcanized
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/246—Intercrosslinking of at least two polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1034—Materials or components characterised by specific properties
- C09K2003/1068—Crosslinkable materials
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
The present invention provides a kind of strong mechanical performance room temperature vulcanized silicone rubber and preparation method thereof, pass through the control and adjustment to each material auxiliary agent dosage, effectively increase the tensile strength and elongation at break of sulphurated siliastic, the mechanical property requirements for meeting sealing material make prepared silicon rubber sealing material preferably reach seal member material properties requirement.
Description
Technical field
The present invention relates to technical field of polymer composite materials more particularly to a kind of strong mechanical performance room temperature vulcanized silicone rubbers
And preparation method thereof.
Background technique
Room temperature vulcanized silicone rubber sealing material be using the lower polysiloxanes of viscosity as polymer, at room temperature by with it is wet
Gas contact is mixed with crosslinking agent, can vulcanize elastomer-forming.It has brilliant weatherability, excellent high- and low-temperature resistance and
Good water-fast, durability and resilience, it is clean in the glass curtain wall of various buildings, the installation sealing of glass door and window, indoor sanitation
It is used widely in the adhering and sealing of tool and electronic product.In general, addition can be passed through in order to reach better seal effect
Various auxiliary agents make prepared silicon rubber sealing material preferably reach seal member material properties requirement.And come as sealing material
It says, mechanical property is to evaluate an important indicator of its performance.
Summary of the invention
The object of the present invention is to provide a kind of strong mechanical performance room temperature vulcanized silicone rubbers and preparation method thereof.
To achieve the above object, present invention employs following technical solutions: a kind of strong mechanical performance room temperature vulcanized silicone rubber,
In parts by weight, it is mainly prepared from the following materials:
100 parts of the 107 glue oligomer containing active group；
15-100 parts of filler；
0.5-4 parts of crosslinking agent；
0.05-0.25 parts of chain extender；
The 107 glue oligomer containing active group are 107 glue mixtures of 20,000 viscosity and 50,000 viscosity；
The filler is carbon black or silica；
The crosslinking agent is at least one of cumyl peroxide and benzoyl peroxide.
Preferably, the strong mechanical performance room temperature vulcanized silicone rubber is mainly prepared from the following materials:
100 parts of the 107 glue oligomer containing active group；
80-100 parts of filler；
1-2 parts of crosslinking agent；
0.1-0.15 parts of chain extender；
107 base rubber amount ratios of 20,000 viscosity and 50,000 viscosity are 2:3 in the 107 glue oligomer containing active group.
Preferably, the strong mechanical performance room temperature vulcanized silicone rubber is mainly prepared from the following materials:
100 parts of the 107 glue oligomer containing active group；
100 parts of filler；
2 parts of crosslinking agent；
0.15 part of chain extender；
107 base rubber amount ratios of 20,000 viscosity and 50,000 viscosity are 2:3 in the 107 glue oligomer containing active group.
Preferably, the material component of the strong mechanical performance room temperature vulcanized silicone rubber further includes catalyst and plasticizer.
The present invention also provides the preparation methods of above-mentioned strong mechanical performance room temperature vulcanized silicone rubber, comprising the following steps:
S1. each raw material component of the sulphurated siliastic is mixed；
S2. it stirs evenly, after pouring into mold, solidifies the room temperature vulcanized silicone rubber that tridimensional network is made.
Compared with prior art, the invention has the benefit that having by the control and adjustment to each material auxiliary agent dosage
Effect improves the tensile strength and elongation at break of sulphurated siliastic, meets the mechanical property requirements of sealing material, makes prepared
Silicon rubber sealing material preferably reach seal member material properties requirement.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
A kind of strong mechanical performance room temperature vulcanized silicone rubber of the invention, in parts by weight, mainly prepared by following raw material and
At:
100 parts of the 107 glue oligomer containing active group；
15-100 parts of filler；
0.5-4 parts of crosslinking agent；
0.05-0.25 parts of chain extender；
The 107 glue oligomer containing active group are 107 glue mixtures of 20,000 viscosity and 50,000 viscosity；
Filler is carbon black or silica；
Crosslinking agent is at least one of cumyl peroxide and benzoyl peroxide.
The material component of the strong mechanical performance room temperature vulcanized silicone rubber further includes catalyst and plasticizer.
Embodiment 1
Sulphurated siliastic is prepared by following material component:
107 glue oligomer (20,000 viscosity: 50,000 viscosity=1:4) containing active group: 100 parts；Filler (carbon black): 50 parts；Crosslinking
Agent (cumyl peroxide): 1 part；Chain extender: 0.1 part.
Embodiment 2
107 glue oligomer (20,000 viscosity: 50,000 viscosity=2:3) containing active group: 100 parts；Filler (carbon black): 80 parts；Crosslinking
Agent (cumyl peroxide): 2 parts；Chain extender: 0.15 part.
Embodiment 3
107 glue oligomer (20,000 viscosity: 50,000 viscosity=4:1) containing active group: 100 parts；Filler (carbon black): 100 parts；It hands over
Join agent (cumyl peroxide): 3 parts；Chain extender: 0.2 part.
Embodiment 4
107 glue oligomer (20,000 viscosity: 50,000 viscosity=2:3) containing active group: 100 parts；Filler (carbon black): 100 parts；It hands over
Join agent (cumyl peroxide): 2 parts；Chain extender: 0.15 part.
Each material component of embodiment 1-4 further includes catalyst and plasticizer.
The preparation process of embodiment 1-4: first mixing each material component, stir evenly later, after pouring into mold, Gu
Change the room temperature vulcanized silicone rubber that tridimensional network is made.
The results are shown in Table 1 for the mechanics properties testing of sulphurated siliastic made from each embodiment.
From the above mentioned, a kind of strong mechanical performance room temperature vulcanized silicone rubber and preparation method thereof of the invention, by each original
The control and adjustment for expecting auxiliary dosage, effectively increase the tensile strength and elongation at break of sulphurated siliastic, meet sealing material
The mechanical property requirements of material make prepared silicon rubber sealing material preferably reach seal member material properties requirement.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (5)
1. a kind of strong mechanical performance room temperature vulcanized silicone rubber, which is characterized in that in parts by weight, mainly prepared by following raw material and
At:
100 parts of the 107 glue oligomer containing active group；
15-100 parts of filler；
0.5-4 parts of crosslinking agent；
0.05-0.25 parts of chain extender；
The 107 glue oligomer containing active group are 107 glue mixtures of 20,000 viscosity and 50,000 viscosity；
The filler is carbon black or silica；
The crosslinking agent is at least one of cumyl peroxide and benzoyl peroxide.
2. a kind of strong mechanical performance room temperature vulcanized silicone rubber as described in claim 1, which is characterized in that mainly by following raw material
It is prepared:
100 parts of the 107 glue oligomer containing active group；
80-100 parts of filler；
1-2 parts of crosslinking agent；
0.1-0.15 parts of chain extender；
107 base rubber amount ratios of 20,000 viscosity and 50,000 viscosity are 2:3 in the 107 glue oligomer containing active group.
3. a kind of strong mechanical performance room temperature vulcanized silicone rubber as described in claim 1, which is characterized in that mainly by following raw material
It is prepared:
100 parts of the 107 glue oligomer containing active group；
100 parts of filler；
2 parts of crosslinking agent;
0.15 part of chain extender；
107 base rubber amount ratios of 20,000 viscosity and 50,000 viscosity are 2:3 in the 107 glue oligomer containing active group.
4. a kind of strong mechanical performance room temperature vulcanized silicone rubber as described in claims 1 or 2 or 3, which is characterized in that raw material components
It further include catalyst and plasticizer.
5. a kind of preparation method of strong mechanical performance room temperature vulcanized silicone rubber as claimed in claim 4, which is characterized in that including
Following steps:
S1. each raw material component of the sulphurated siliastic is mixed；
S2. it stirs evenly, after pouring into mold, solidifies the room temperature vulcanized silicone rubber that tridimensional network is made.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200306.4A CN110093035A (en) | 2019-03-16 | 2019-03-16 | A kind of strong mechanical performance room temperature vulcanized silicone rubber and preparation method thereof |
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| CN201910200306.4A CN110093035A (en) | 2019-03-16 | 2019-03-16 | A kind of strong mechanical performance room temperature vulcanized silicone rubber and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103438A (en) * | 1985-04-02 | 1986-10-15 | 山东大学 | The manufacture method of novel room temperature vulcanized silicone rubber |
| US4691038A (en) * | 1985-06-24 | 1987-09-01 | Union Carbide Corporation | Novel room temperature vulcanizable polydiorganosiloxane compositions |
| CN1597828A (en) * | 2004-08-23 | 2005-03-23 | 浙江大学 | Sealing material of organic silicon sulfided at room temp. and preparation process thereof |
| CN101544831A (en) * | 2009-04-22 | 2009-09-30 | 武汉理工大学 | Double component room temperature vulcanization silicon rubber sealant material and preparation method thereof |
| CN103937442A (en) * | 2014-04-18 | 2014-07-23 | 苏州天山新材料技术有限公司 | High-adhesive one-component deoximation type room-temperature vulcanized silicone rubber sealant and preparation method thereof |
| CN106543729A (en) * | 2016-11-25 | 2017-03-29 | 陕西聚洁瀚化工有限公司 | The preparation method of dealcoholized type thermal conductive room temperature vulcanized silicone rubber composite |
-
2019
- 2019-03-16 CN CN201910200306.4A patent/CN110093035A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103438A (en) * | 1985-04-02 | 1986-10-15 | 山东大学 | The manufacture method of novel room temperature vulcanized silicone rubber |
| US4691038A (en) * | 1985-06-24 | 1987-09-01 | Union Carbide Corporation | Novel room temperature vulcanizable polydiorganosiloxane compositions |
| CN1597828A (en) * | 2004-08-23 | 2005-03-23 | 浙江大学 | Sealing material of organic silicon sulfided at room temp. and preparation process thereof |
| CN101544831A (en) * | 2009-04-22 | 2009-09-30 | 武汉理工大学 | Double component room temperature vulcanization silicon rubber sealant material and preparation method thereof |
| CN103937442A (en) * | 2014-04-18 | 2014-07-23 | 苏州天山新材料技术有限公司 | High-adhesive one-component deoximation type room-temperature vulcanized silicone rubber sealant and preparation method thereof |
| CN106543729A (en) * | 2016-11-25 | 2017-03-29 | 陕西聚洁瀚化工有限公司 | The preparation method of dealcoholized type thermal conductive room temperature vulcanized silicone rubber composite |
Non-Patent Citations (2)
| Title |
|---|
| 来国桥，等: "《有机硅产品合成工艺及应用》", 31 January 2010, 化学工业出版社 * |
| 邝生鲁，等: "《现代精细化工 高新技术与产品合成工艺》", 31 December 1997, 科学技术文献出版社 * |
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