CN102153866A - Single-component transparent thixotropic dealcoholization room-temperature-vulcanized silicon rubber with long shelf life - Google Patents

Single-component transparent thixotropic dealcoholization room-temperature-vulcanized silicon rubber with long shelf life Download PDF

Info

Publication number
CN102153866A
CN102153866A CN 201110034774 CN201110034774A CN102153866A CN 102153866 A CN102153866 A CN 102153866A CN 201110034774 CN201110034774 CN 201110034774 CN 201110034774 A CN201110034774 A CN 201110034774A CN 102153866 A CN102153866 A CN 102153866A
Authority
CN
China
Prior art keywords
parts
silane
agent
triethoxysilane
silicon rubber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201110034774
Other languages
Chinese (zh)
Inventor
王国泉
俞文彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FOSHAN PULIDA TECHNOLOGY CO LTD
Original Assignee
FOSHAN PULIDA TECHNOLOGY CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FOSHAN PULIDA TECHNOLOGY CO LTD filed Critical FOSHAN PULIDA TECHNOLOGY CO LTD
Priority to CN 201110034774 priority Critical patent/CN102153866A/en
Publication of CN102153866A publication Critical patent/CN102153866A/en
Pending legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to a single-component transparent thixotropic dealcoholization room-temperature-vulcanized silicon rubber with a long shelf life. The silicon rubber is characterized by comprising the following components in parts by weight: 100 parts of base glue, 5-40 parts of filling material, 0.1-30 parts of surface treatment and framework agent, 0-100 parts of plasticizer, 2-30 parts of cross-linking agent, 0.1-7 parts of coupling agent and 0.1-40 parts of curing accelerator. In the invention, through proper compositions and reliable composition proportioning, the obtained silicon rubber has the following technical effects of good transparency, no discoloration, good thixotropy, adjustable vulcanization speed, high adhesion, long shelf life, stable storage, high physical and mechanical property, no corrosion and no stimulate odor, and is easy to extrude and environment-friendly.

Description

A kind of single-component transparent touch uprises the shelf lives dealcoholized type room temperature vulcanized silicone rubber
Technical field
The present invention relates to a kind of room temperature vulcanized silicone rubber.
Background technology
In general, the thixotropy of transparent dealcoholizing-type RTV silicon rubber is very scabrous, especially as a whole solving is done in transparent, thixotroping and stability in storage, particularly difficulty.
Depickling type and ketoxime removing type RTV transparent silicon rubber are used for architectural very ripe.Transparent or semitransparent dealcoholizing-type silicone rubber products has only the packing product of a small amount of German product at present in architectural use on the domestic market.The various bibliographical informations of the single-component room temperature vulcanized silicon rubber of relevant colored dealcoholizing-type are a lot of, the bibliographical information of the single-component room temperature vulcanized silicon rubber of transparent trickling dealcoholizing-type also some, but do not see bibliographical information about transparent, thixotropy and the Trinitarian while solution of stable storing single-component dealcoholization-type room temperature vulcanized silicone rubber.Up to the present, the commercial prod of the single-component dealcoholization-type room temperature vulcanized silicone rubber of domestic transparent or semitransparent, thixotropy that does not have also that the native country produces and stable storing, its reason mainly is to can not pass technically.Look into from the domestic Searches of Patent Literature and to newly arrive, do not see the report of this type of commercial prod as yet.Transparent product on the market is mainly based on depickling type and ketoxime removing type, and commercial dealcoholizing-type product all is that businessman packing Germany watt gram (wacker) company trade names are the packing product of the big tubbing of EL-9000 product.
Summary of the invention
The object of the present invention is to provide good, the colourless change of a kind of transparency, thixotropy good, easily extrude, can regulate sulfuration speed, high adhesion, high storage period, stable storing, high physical and mechanical properties, and there is not the non-stimulated flavor of burn into, the single-component dealcoholization-type room temperature vulcanized silicone rubber of Environmental Safety.
Technical scheme of the present invention is achieved in that
A kind of single-component transparent touch uprises the shelf lives dealcoholized type room temperature vulcanized silicone rubber, and its characteristics are that this sulphurated siliastic is made of basic glue, filler, surface treatment and framework agent, softening agent, linking agent, coupling agent and curing catalyst, and wherein each composition consumption is:
With 100 parts in basic glue is unit, and required other composition is respectively: filler: 5~40 parts, and surface treatment and framework agent: 0.1~30 part, softening agent: 0~100 part, linking agent: 2~30 parts, coupling agent: 0.1~7 part, curing catalyst: 0.1~40 part;
Described basic glue is that 25 ℃ of viscosity are 3000~400, the hydroxyl endblocked polydimethylsiloxane of 000mPa.s;
Described filler is hydrophilic gas-phase silica or hydrophobic type gas-phase silica or precipitated silica;
Described surface treatment and framework agent are amido or amide group or the ester group or the oxy-compound of C1~C18 alkane;
Described softening agent is inertia polysiloxane or white oil;
Described linking agent is a methyltrimethoxy silane, Union carbide A-162, methyl tripropoxy silane, methyl three butoxy silanes, tetramethoxy-silicane, tetraethoxysilane, tetrapropoxysilane, four butoxy silanes, ethyl trimethoxy silane, ethyl triethoxysilane, vinyltrimethoxy silane, vinyltriethoxysilane, phenyltrimethoxysila,e, phenyl triethoxysilane, the r-r-chloropropyl trimethoxyl silane, the r-chloropropyl triethoxysilane, one chloromethyl triethoxyl silane, the dichloromethyl triethoxyl silane, anilinomethyl triethoxysilane, the combination of one or more materials among the r-amine propyl-triethoxysilicane;
Described coupling agent is the combination of one or more materials among aminopropyl triethoxysilane, vinyltriethoxysilane, anilinomethyl triethoxysilane, quadrol base propyl-triethoxysilicane, quadrol base propyl trimethoxy silicane, mercaptopropyltriethoxysilane, the r-glycidoxypropyltrime,hoxysilane;
Described curing catalyst is the coordination thing (for example acetylacetic ester of titanium and dibasic alcohol coordination thing etc.) of titanium, the coordination thing of aluminium (for example coordination thing of the trolamine of aluminium or acetylacetic ester etc.), one chloromethyl triethoxyl silane, the dichloromethyl triethoxyl silane, the r-r-chloropropyl trimethoxyl silane, the r-chloropropyl triethoxysilane, vinyltrimethoxy silane, vinyltriethoxysilane, r-amine propyl-triethoxysilicane, the diethylamine Union carbide A-162, N-β-amine ethyl-r-amine propyl trimethoxy silicane, N-β-amine ethyl-r-amine propyl-triethylsilicane alkane, the combination of one or more materials among the anilinomethyl triethoxysilane.
The present invention is by selecting suitable component and rational component proportioning for use, and the silicon rubber that making is obtained has following technique effect:
(1) by selecting suitable crosslinking agent, coupling agent and curing catalyst, make product in using sulfidation, the molecule that discharges is methyl alcohol, ethanol, propyl alcohol, butanols, or the composition in this four classes alcohol, with respect to depickling type or ketoxime removing type transparent chambers temperature vulcanizable silicone rubber product, product of the present invention does not have the non-stimulated flavor of burn into, more environmental protection, safer.
(2) by selecting the basic glue of proper viscosity for use, be equipped with appropriate filler, softening agent and other auxiliary agent, it is good extrudability and transparent that the silicone rubber products that obtains is had; And silicon rubber solidifies the back nondiscoloration, can accomplish the silicon rubber after solidifying is placed on outdoor exposing to the sun and rain 3 months, all nondiscolorations.
(3) by screening and adding suitable, an amount of gas-phase silica surface treatment and framework agent, make product of the present invention obtain good thixotropy, its thixotropy can be the same with the ketoxime removing type product with the depickling type.And gas-phase silica surface treatment of being adopted and framework agent are to influence the transparency of silicon rubber and stability in storage, can remarkably influenced not arranged yet, thereby make product of the present invention have the characteristic of high storage period, stable storing, high physical and mechanical properties, high adhesion the rubber physics tool performance after the sulfuration.
(4) by adding an amount of curing catalyst, make the linking agent self in the component become effective white carbon black surface silanol group scavenging agent in the room temperature colloid system, this helps improving further the stability in storage of this product.
The present invention is further illustrated below in conjunction with embodiment:
Embodiment
A kind of single-component transparent touch of the present invention uprises the shelf lives dealcoholized type room temperature vulcanized silicone rubber, it is characterized in that: this sulphurated siliastic is made of basic glue, filler, surface treatment and framework agent, softening agent, linking agent, coupling agent and curing catalyst, and wherein each composition consumption is:
With 100 parts in basic glue is unit, and required other composition is respectively: filler: 5~40 parts, and surface treatment and framework agent: 0.1~30 part, softening agent: 0~100 part, linking agent: 2~30 parts, coupling agent: 0.1~7 part, curing catalyst: 0.1~40 part.
Described basic glue is that 25 ℃ of viscosity are 3000~400, the hydroxyl endblocked polydimethylsiloxane of 000mPa.s.
Described filler is hydrophilic gas-phase silica or hydrophobic type gas-phase silica or precipitated silica.Described filler can also be by the combination of native silicon dioxide powder and hydrophilic gas-phase silica, three kinds of materials of precipitated silica, three kinds of material usages are: the hydrophilic gas-phase silica of 100 parts of units, the precipitated silica that adds 0~300 part adds 0~100 part native silicon dioxide powder; Perhaps, described filler also can also be by the combination of native silicon dioxide powder and hydrophobic type gas-phase silica, three kinds of materials of precipitated silica, three kinds of material usages are: the hydrophobic type gas-phase silica of 100 parts of units, the precipitated silica that adds 0~300 part adds 0~100 part native silicon dioxide powder.
Described surface treatment and framework agent are amido or amide group or the ester group or the oxy-compound of C1~C18 alkane.By from C 1~C 18Filter out suitable compound or composition in the amido of alkane, amide group, ester group, the oxy-compound, as butyl stearate, sweet oil, C 16Compounds such as alcohol, oleic acid amine are as gas phase black in vain surface treatment and framework agent.Make product of the present invention obtain good thixotropy, its thixotropy can be the same with the ketoxime removing type product with the depickling type.And gas-phase silica surface treatment of being adopted and framework agent are to influence the transparency of silicon rubber and stability in storage, can remarkably influenced not arranged yet, thereby make product of the present invention have the characteristic of high storage period, stable storing, high physical and mechanical properties, high adhesion the rubber physics tool performance after the sulfuration.
Described softening agent is inertia polysiloxane or white oil;
Described linking agent is a methyltrimethoxy silane, Union carbide A-162, methyl tripropoxy silane, methyl three butoxy silanes, tetramethoxy-silicane, tetraethoxysilane, tetrapropoxysilane, four butoxy silanes, ethyl trimethoxy silane, ethyl triethoxysilane, vinyltrimethoxy silane, vinyltriethoxysilane, phenyltrimethoxysila,e, phenyl triethoxysilane, the r-r-chloropropyl trimethoxyl silane, the r-chloropropyl triethoxysilane, one chloromethyl triethoxyl silane, the dichloromethyl triethoxyl silane, anilinomethyl triethoxysilane, the combination of one or more materials among the r-amine propyl-triethoxysilicane;
Described coupling agent is the combination of one or more materials among aminopropyl triethoxysilane, vinyltriethoxysilane, anilinomethyl triethoxysilane, quadrol base propyl-triethoxysilicane, quadrol base propyl trimethoxy silicane, mercaptopropyltriethoxysilane, the r-glycidoxypropyltrime,hoxysilane;
Described curing catalyst is the coordination thing (for example acetylacetic ester of titanium and dibasic alcohol coordination thing etc.) of titanium, the coordination thing of aluminium (for example coordination thing of the trolamine of aluminium or acetylacetic ester etc.), one chloromethyl triethoxyl silane, the dichloromethyl triethoxyl silane, the r-r-chloropropyl trimethoxyl silane, the r-chloropropyl triethoxysilane, vinyltrimethoxy silane, vinyltriethoxysilane, r-amine propyl-triethoxysilicane, the diethylamine Union carbide A-162, N-β-amine ethyl-r-amine propyl trimethoxy silicane, N-β-amine ethyl-r-amine propyl-triethylsilicane alkane, the combination of one or more materials among the anilinomethyl triethoxysilane.Adding specific an amount of curing catalyst in this product, is in order to make linking agent self become effective white carbon black surface silanol group scavenging agent in the room temperature colloid system, to help improving further the stability in storage of this product.
By the combination of curing catalyst and linking agent and basic adhesive capacity and plasticizer dosage combination, regulate surface cure time and deep layer set time of silica gel.
By the combination of basic glue, softening agent and reinforced white carbon black consumption, after being solidified, silicone rubber products can reach above tensile strength of 2.0MPa and 500% above tensile elongation.
Selection combination by curing catalyst and linking agent makes the room temperature storage life-span of silicone rubber products be higher than 6 months, the thermmal storage that some can reach more than 12 months or 85 ℃ * 500hr is above.
Select hydrophilic gas-phase silica, hydrophobic type gas-phase silica and precipitated silica reinforced filling as silicon rubber.
The selected special natural powder of silicon-dioxide is as transparent stopping composition, and the transparency of the silica gel after guaranteeing to solidify is not subjected to significantly to influence.
Further specify the characteristic of product of the present invention below with specific examples:
Example 1:
With the α of 800g 5500mPas, ω-hydroxyl endblocked polydimethylsiloxane (107 glue), the methyl-silicone oil of 200g1000mPas is put in the glue making machine of 5L, vacuumizes to stir nitrogen equilibrium 10 minutes.Added methyltrimethoxy silane 30g, Union carbide A-162 40g, surface treatment and framework agent 2g, dichloromethyl triethoxyl silane 20g, aminopropyl triethoxysilane 18g, diethylin Union carbide A-162 20g vacuum stirring 40 minutes, nitrogen equilibrium.Add 80g Cabot 150 gas-phase silicas at last, vacuum stirring 30 minutes.Nitrogen equilibrium, discharging, tubulature.
The silicon rubber that the obtained transparency better, thixotropy is good, and is extrudability good, 25 ℃ of relative humidity 85%, surface drying time 7 minutes, completely solidified in the tack-free time 35 minutes, thick 15 hours of 6mm.Tensile strength>1.3Mpa, tensile elongation 400%.After the 85 ℃ * 500hr thermmal storage, extrude sulfuration and the preceding no considerable change of thermmal storage.
Example 2:
With 700g 20, the α of 000mPas, ω-hydroxyl endblocked polydimethylsiloxane (107 glue), the methyl-silicone oil of 300g 500mPas is put in the glue making machine of 5L, vacuumizes to stir nitrogen equilibrium 10 minutes.Add methyltrimethoxy silane 35g, tetramethoxy-silicane 30g, titanium coordination compound 10g, surface treatment and framework agent 5g, aminopropyl triethoxysilane 18g, r-r-chloropropyl trimethoxyl silane 5g, vacuum stirring 40 minutes, nitrogen equilibrium.Add 100g Cabot 150 gas-phase silicas at last, vacuum stirring 30 minutes.Nitrogen equilibrium, discharging, tubulature.
The silicon rubber that the obtained transparency better, thixotroping is better, and is extrudability good, 25 ℃ of relative humidity 85%, surface drying time 20 minutes, completely solidified in the tack-free time 55 minutes, thick 20 hours of 6mm.Tensile strength>1.5Mpa, tensile elongation 400%.Room temperature storage 6 months with the prima facies ratio, is solidified the situation no change.
Example 3:
With 700g 30, the α of 000mPas, ω-hydroxyl endblocked polydimethylsiloxane (107 glue), the methyl-silicone oil of 300g 500mPas is put in the glue making machine of 5L, vacuumizes to stir nitrogen equilibrium 10 minutes.Added methyltrimethoxy silane 20g, Union carbide A-162 10g, tetramethoxy-silicane 20g, tetraethoxysilane 30g, aluminium coordination thing 25g, surface treatment and framework agent 6g, aminopropyl triethoxysilane 12g, vacuum stirring 40 minutes, nitrogen equilibrium.Add 100g Cabot 150 gas-phase silicas at last, vacuum stirring 30 minutes.Nitrogen equilibrium, discharging, tubulature.
The silicon rubber that the obtained transparency better, thixotropy is good, and is extrudability good, 25 ℃ of relative humidity 85%, surface drying time 15 minutes, completely solidified in the tack-free time 45 minutes, thick 20 hours of 6mm.Tensile strength>1.5Mpa, tensile elongation 400%.Room temperature storage 6 months with the prima facies ratio, is solidified the situation no change.
Example 4:
With 600g 100, the α of 000mPas, ω-hydroxyl endblocked polydimethylsiloxane (107 glue), the methyl-silicone oil of 400g 500mPas is put in the glue making machine of 5L, vacuumizes to stir nitrogen equilibrium 10 minutes.Added methyltrimethoxy silane 20g, Union carbide A-162 30g, tetramethoxy-silicane 20g, tetraethoxysilane 20g, vinyltrimethoxy silane 10g, surface treatment and framework agent 7g, dichloromethyl triethoxyl silane 30g, quadrol base propyl trimethoxy silicane 18g, diethylin Union carbide A-162 20g vacuum stirring 40 minutes, nitrogen equilibrium.Add 120g Cabot 150 gas-phase silicas at last, vacuum stirring 30 minutes.Nitrogen equilibrium, discharging, tubulature.
The silicon rubber that the obtained transparency better, thixotropy is fine, and is extrudability fine, 25 ℃ of relative humidity 85%, surface drying time 5 minutes, completely solidified in the tack-free time 30 minutes, thick 15 hours of 6mm.Tensile strength>2.2Mpa, tensile elongation 550%.After the 85 ℃ * 500hr thermmal storage, extrude sulfuration and the preceding no considerable change of thermmal storage.
Example 5:
With 700g 80, the α of 000mPas, ω-hydroxyl endblocked polydimethylsiloxane (107 glue), the 300g white oil is put in the glue making machine of 5L, vacuumizes to stir nitrogen equilibrium 10 minutes.Added methyltrimethoxy silane 20g, Union carbide A-162 40g, surface treatment and framework agent 7g, dichloromethyl triethoxyl silane 20g, amine propyl-triethoxysilicane 18g, quadrol ylmethyl triethoxyl silane 20g vacuum stirring 40 minutes, nitrogen equilibrium.Add 150g Cabot 110 gas-phase silicas at last, vacuum stirring 30 minutes.Nitrogen equilibrium, discharging, tubulature.
The silicon rubber transparency that is obtained is fine, and thixotropy is fine, and is extrudability fine, 25 ℃ of relative humidity 85%, surface drying time 4 minutes, completely solidified in the tack-free time 30 minutes, thick 15 hours of 6mm.Tensile strength>2.0Mpa, tensile elongation 550%.After the 85 ℃ * 500hr thermmal storage, extrude sulfuration and the preceding no considerable change of thermmal storage.
Example 6:
With 500g 50, the α of 000mPas, ω-hydroxyl endblocked polydimethylsiloxane (107 glue), the 500g white oil is put in the glue making machine of 5L, vacuumizes to stir nitrogen equilibrium 10 minutes.Added methyltrimethoxy silane 20g, Union carbide A-162 20g, tetraethoxysilane 20g, tetrapropoxysilane 20g, surface treatment and framework agent 6g, anilinomethyl triethoxysilane 20g, quadrol base propyl trimethoxy silicane 18g, diethylin Union carbide A-162 20g vacuum stirring 40 minutes, nitrogen equilibrium.Add 130g Cabot 150 gas-phase silicas at last, vacuum stirring 30 minutes.Nitrogen equilibrium, discharging, tubulature.
The silicon rubber that the obtained transparency better, thixotropy is good, and is extrudability good, 25 ℃ of relative humidity 85%, surface drying time 7 minutes, completely solidified in the tack-free time 35 minutes, thick 15 hours of 6mm.Tensile strength>2.20Mpa, tensile elongation 550%.After the 85 ℃ * 500hr thermmal storage, extrude sulfuration and the preceding no considerable change of thermmal storage.
Example 7:
With 500g 100, the α of 000mPas, ω-hydroxyl endblocked polydimethylsiloxane (107 glue), the methyl-silicone oil of 500g 500mPas is put in the glue making machine of 5L, vacuumizes to stir nitrogen equilibrium 10 minutes.Added methyltrimethoxy silane 20g, Union carbide A-162 20g, tetraethoxysilane 40g, vinyltriethoxysilane 10g, surface treatment and framework agent 5g, quadrol base propyl trimethoxy silicane 18g, diethylin Union carbide A-162 20g vacuum stirring 40 minutes, nitrogen equilibrium.Add 120g Cabot 150 gas-phase silicas at last, vacuum stirring 30 minutes.Nitrogen equilibrium, discharging, tubulature.
The silicon rubber transparency that is obtained is fine, and thixotropy is fine, and is extrudability fine, 25 ℃ of relative humidity 85%, surface drying time 6 minutes, completely solidified in the tack-free time 25 minutes, thick 15 hours of 6mm.Tensile strength>2.2Mpa, tensile elongation 600%.After the 85 ℃ * 500hr thermmal storage, extrude sulfuration and the preceding no considerable change of thermmal storage.
Example 8:
With 1000g 3000mPas α, ω-hydroxyl endblocked polydimethylsiloxane (107 glue) and 300g precipitated silica mixed dehydration form the dehydration base-material.
Get top dehydration base-material 300g, with 400g 20,000mPas α, the methyl-silicone oil of ω-hydroxyl endblocked polydimethylsiloxane (107 glue), 300g 500mPas is put in the glue making machine of 5L, vacuumizes to stir nitrogen equilibrium 10 minutes.Added methyltrimethoxy silane 20g, Union carbide A-162 20g, tetraethoxysilane 30g, tetrapropoxysilane 10g, vinyltriethoxysilane 10g, surface treatment and framework agent 4g, aminopropyl triethoxysilane 18g, diethylin Union carbide A-162 30g vacuum stirring 40 minutes, nitrogen equilibrium.Add 80g Cabot 150 gas-phase silicas at last, vacuum stirring 30 minutes.Nitrogen equilibrium, discharging, tubulature.
The silicon rubber that the obtained transparency better, thixotropy is good, and is extrudability good, 25 ℃ of relative humidity 85%, surface drying time 6 minutes, completely solidified in the tack-free time 32 minutes, thick 15 hours of 6mm.Tensile strength>2.2Mpa, tensile elongation 550%.After the 85 ℃ * 500hr thermmal storage, extrude sulfuration and the preceding no considerable change of thermmal storage.
Example 9:
With 800g 100, the α of 000mPas, ω-hydroxyl endblocked polydimethylsiloxane (107 glue), the 200g white oil is put in the glue making machine of 5L, vacuumizes to stir nitrogen equilibrium 10 minutes.Tetramethoxy-silicane 30g, tetraethoxysilane 40g, vinyltrimethoxy silane 10g, surface treatment and framework agent 4g, anilino Union carbide A-162 10g, quadrol propyl trimethoxy silicane 20g, diethylin Union carbide A-162 15g vacuum stirring 40 minutes, nitrogen equilibrium.Add 110g Cabot 150 gas-phase silicas at last, vacuum stirring 30 minutes.Nitrogen equilibrium, discharging, tubulature.
The silicon rubber transparency that is obtained is fine, and thixotropy is good, and is extrudability good, 25 ℃ of relative humidity 85%, surface drying time 10 minutes, completely solidified in the tack-free time 50 minutes, thick 18 hours of 6mm.Tensile strength>2.2Mpa, tensile elongation 600%.After the 85 ℃ * 500hr thermmal storage, extrude sulfuration and the preceding no considerable change of thermmal storage.Solidify glue and be placed on outdoor Exposure to Sunlight rainforest three months, glue nondiscoloration.
Example 10:
With 700g 50, the α of 000mPas, ω-hydroxyl endblocked polydimethylsiloxane (107 glue), the methyl-silicone oil of 300g 500mPas is put in the glue making machine of 5L, vacuumizes to stir nitrogen equilibrium 10 minutes.Added methyltrimethoxy silane 20g, Union carbide A-162 20g, vinyltriethoxysilane 40g, tetraethoxysilane 20g, dry transparent powder 100g, surface treatment and framework agent 5g, quadrol base propyl-triethoxysilicane 18g, diethylin Union carbide A-162 30g vacuum stirring 40 minutes, nitrogen equilibrium.Add 100g Cabot 150 gas-phase silicas at last, vacuum stirring 30 minutes.Nitrogen equilibrium, discharging, tubulature.
The silicon rubber that the obtained transparency better, thixotropy is good, and is extrudability good, 25 ℃ of relative humidity 85%, surface drying time 7 minutes, completely solidified in the tack-free time 33 minutes, thick 15 hours of 6mm.Tensile strength>2.1Mpa, tensile elongation 550%.After the 85 ℃ * 500hr thermmal storage, extrude sulfuration and the preceding no considerable change of thermmal storage.Solidify glue and be placed on outdoor Exposure to Sunlight rainforest three months, glue nondiscoloration.

Claims (3)

1. a single-component transparent touch uprises the shelf lives dealcoholized type room temperature vulcanized silicone rubber, it is characterized in that: this sulphurated siliastic is made of basic glue, filler, surface treatment and framework agent, softening agent, linking agent, coupling agent and curing catalyst, and wherein each composition consumption is:
With 100 parts in basic glue is unit, and required other composition is respectively: filler: 5~40 parts, and surface treatment and framework agent: 0.1~30 part, softening agent: 0~100 part, linking agent: 2~30 parts, coupling agent: 0.1~7 part, curing catalyst: 0.1~40 part;
Described basic glue is that 25 ℃ of viscosity are 3000~400, the hydroxyl endblocked polydimethylsiloxane of 000mPa.s;
Described filler is hydrophilic gas-phase silica or hydrophobic type gas-phase silica or precipitated silica;
Described surface treatment and framework agent are amido or amide group or the ester group or the oxy-compound of C1~C18 alkane;
Described softening agent is inertia polysiloxane or white oil;
Described linking agent is a methyltrimethoxy silane, Union carbide A-162, methyl tripropoxy silane, methyl three butoxy silanes, tetramethoxy-silicane, tetraethoxysilane, tetrapropoxysilane, four butoxy silanes, ethyl trimethoxy silane, ethyl triethoxysilane, vinyltrimethoxy silane, vinyltriethoxysilane, phenyltrimethoxysila,e, phenyl triethoxysilane, the r-r-chloropropyl trimethoxyl silane, the r-chloropropyl triethoxysilane, one chloromethyl triethoxyl silane, the dichloromethyl triethoxyl silane, anilinomethyl triethoxysilane, one or more combinations of substances among the r-amine propyl-triethoxysilicane;
Described coupling agent is one or more combinations of substances among aminopropyl triethoxysilane, vinyltriethoxysilane, anilinomethyl triethoxysilane, quadrol base propyl-triethoxysilicane, quadrol base propyl trimethoxy silicane, mercaptopropyltriethoxysilane, the r-glycidoxypropyltrime,hoxysilane;
Described curing catalyst is the coordination thing of titanium, the coordination thing of aluminium, one chloromethyl triethoxyl silane, the dichloromethyl triethoxyl silane, the r-r-chloropropyl trimethoxyl silane, the r-chloropropyl triethoxysilane, vinyltrimethoxy silane, vinyltriethoxysilane, r-amine propyl-triethoxysilicane, the diethylamine Union carbide A-162, N-β-amine ethyl-r-amine propyl trimethoxy silicane, N-β-amine ethyl-r-amine propyl-triethylsilicane alkane, one or more combinations of substances among the anilinomethyl triethoxysilane.
2. uprise the shelf lives dealcoholized type room temperature vulcanized silicone rubber according to the described single-component transparent touch of claim 1, it is characterized in that: above-mentioned filler also can be by the combination of native silicon dioxide powder and hydrophilic gas-phase silica, three kinds of materials of precipitated silica, three kinds of material usages are: the hydrophilic gas-phase silica of 100 parts of units, the precipitated silica that adds 0~300 part adds 0~100 part native silicon dioxide powder.
3. uprise the shelf lives dealcoholized type room temperature vulcanized silicone rubber according to the described single-component transparent touch of claim 1, it is characterized in that: above-mentioned filler also can be by the combination of native silicon dioxide powder and hydrophobic type gas-phase silica, three kinds of materials of precipitated silica, three kinds of material usages are: the hydrophobic type gas-phase silica of 100 parts of units, the precipitated silica that adds 0~300 part adds 0~100 part native silicon dioxide powder.
CN 201110034774 2011-02-01 2011-02-01 Single-component transparent thixotropic dealcoholization room-temperature-vulcanized silicon rubber with long shelf life Pending CN102153866A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110034774 CN102153866A (en) 2011-02-01 2011-02-01 Single-component transparent thixotropic dealcoholization room-temperature-vulcanized silicon rubber with long shelf life

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110034774 CN102153866A (en) 2011-02-01 2011-02-01 Single-component transparent thixotropic dealcoholization room-temperature-vulcanized silicon rubber with long shelf life

Publications (1)

Publication Number Publication Date
CN102153866A true CN102153866A (en) 2011-08-17

Family

ID=44435559

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110034774 Pending CN102153866A (en) 2011-02-01 2011-02-01 Single-component transparent thixotropic dealcoholization room-temperature-vulcanized silicon rubber with long shelf life

Country Status (1)

Country Link
CN (1) CN102153866A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102604390A (en) * 2012-01-16 2012-07-25 佛山市普力达科技有限公司 Single-component crystal flowing-type dealcoholized room temperature vulcanized silicone rubber and preparation method thereof
CN103333496A (en) * 2013-06-13 2013-10-02 浙江汇杰有机硅有限公司 Single-component dealcoholization room-temperature curing silicone rubber with excellent storage stability and preparation method thereof
CN103772990A (en) * 2012-10-18 2014-05-07 南昌航空大学 Preparation method of room temperature sulfurated silicon rubber material co-enhanced by lignin and white black carbon
CN105131606A (en) * 2015-10-19 2015-12-09 无锡清杨机械制造有限公司 Method for improving heat resistance of silica gel
CN105176479A (en) * 2015-08-28 2015-12-23 上海蒂姆新材料科技有限公司 High-strength silicone rubber and preparation method therefor
CN106609038A (en) * 2016-11-28 2017-05-03 湖北航天化学技术研究所 Silicone rubber coating layer deeply cured in closed environment
CN107739590A (en) * 2017-10-30 2018-02-27 董林妤 A kind of rapid curing solar energy silica gel and preparation method thereof
CN109096776A (en) * 2018-08-13 2018-12-28 山东大学 A kind of no catalyst, expediting setting dealcoholized type fluorine silicone rubber and preparation method thereof
CN115181541A (en) * 2022-08-22 2022-10-14 杭州之江有机硅化工有限公司 Silicon rubber sealant for bonding LED lamp tube and lamp strip and preparation method thereof
CN115216267A (en) * 2022-08-16 2022-10-21 西卡(江苏)工业材料有限公司 Environment-friendly high-adhesion high-thermal-conductivity organic silicon pouring sealant and preparation method and application thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101200594A (en) * 2006-12-15 2008-06-18 比亚迪股份有限公司 Monocomponent dealcoholized cold curing silicon rubber
CN101735618A (en) * 2008-11-26 2010-06-16 信越化学工业株式会社 Room temperature curable organopolysiloxane composition

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101200594A (en) * 2006-12-15 2008-06-18 比亚迪股份有限公司 Monocomponent dealcoholized cold curing silicon rubber
CN101735618A (en) * 2008-11-26 2010-06-16 信越化学工业株式会社 Room temperature curable organopolysiloxane composition

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102604390A (en) * 2012-01-16 2012-07-25 佛山市普力达科技有限公司 Single-component crystal flowing-type dealcoholized room temperature vulcanized silicone rubber and preparation method thereof
CN103772990A (en) * 2012-10-18 2014-05-07 南昌航空大学 Preparation method of room temperature sulfurated silicon rubber material co-enhanced by lignin and white black carbon
CN103333496A (en) * 2013-06-13 2013-10-02 浙江汇杰有机硅有限公司 Single-component dealcoholization room-temperature curing silicone rubber with excellent storage stability and preparation method thereof
CN105176479A (en) * 2015-08-28 2015-12-23 上海蒂姆新材料科技有限公司 High-strength silicone rubber and preparation method therefor
CN105131606A (en) * 2015-10-19 2015-12-09 无锡清杨机械制造有限公司 Method for improving heat resistance of silica gel
CN106609038A (en) * 2016-11-28 2017-05-03 湖北航天化学技术研究所 Silicone rubber coating layer deeply cured in closed environment
CN106609038B (en) * 2016-11-28 2020-04-10 湖北航天化学技术研究所 Silicone rubber coating layer deeply cured in closed environment
CN107739590A (en) * 2017-10-30 2018-02-27 董林妤 A kind of rapid curing solar energy silica gel and preparation method thereof
CN109096776A (en) * 2018-08-13 2018-12-28 山东大学 A kind of no catalyst, expediting setting dealcoholized type fluorine silicone rubber and preparation method thereof
CN115216267A (en) * 2022-08-16 2022-10-21 西卡(江苏)工业材料有限公司 Environment-friendly high-adhesion high-thermal-conductivity organic silicon pouring sealant and preparation method and application thereof
CN115216267B (en) * 2022-08-16 2023-08-22 西卡(江苏)工业材料有限公司 Environment-friendly high-adhesion high-thermal-conductivity organic silicon pouring sealant and preparation method and application thereof
CN115181541A (en) * 2022-08-22 2022-10-14 杭州之江有机硅化工有限公司 Silicon rubber sealant for bonding LED lamp tube and lamp strip and preparation method thereof

Similar Documents

Publication Publication Date Title
CN102153866A (en) Single-component transparent thixotropic dealcoholization room-temperature-vulcanized silicon rubber with long shelf life
CN103725009B (en) The method for making of the transparent room temperature vulcanized silicone glue of a kind of expediting setting dealcoholized type
CN102796381B (en) Condensation type RTV silicone rubber composition with matte surface, its preparation method and application
CN103342816B (en) A kind of organic siliconresin and curable organopolysiloxane composition and application
CN102532434B (en) UV (Ultraviolet)/moisture double cured silicon rubber and preparation method thereof
CN102408722B (en) Novel bi-component dealcoholization type silicon rubber sealant and preparation method thereof
CN102559133B (en) Addition type single component organosilicon sealant and processing method thereof
CN105601932B (en) A kind of dual cure type modified silicon rubber and preparation method thereof
CN103242798B (en) High-transparency single-component room temperature vulcanized silicone rubber and preparation method thereof
CN102533213A (en) Room temperature silicon sulfide rubber and preparation method thereof
CN109628058A (en) A kind of organic silicon adhesive
CN102408868A (en) Fast deep cured single-component dealcoholization type organic silicon casting glue and preparation method
CN103755963A (en) Polysiloxane thickening agent and preparation method thereof
CN103834353A (en) High-strength single-component room temperature vulcanized silicone rubber
CN105542705A (en) Single-component room temperature silicon sulfide rubber sealant and preparation method thereof
CN101200594A (en) Monocomponent dealcoholized cold curing silicon rubber
CN109401723A (en) A kind of no-solvent type LED screen packaging protection organic silicon potting adhesive and its preparation method and application
CN107674636A (en) A kind of preparation of the organosilicon sealant of α aminosilane coupling agent modifyings
CN102040840A (en) Single-component room temperature vulcanized silicone rubber and preparation method thereof
CN102408719B (en) Room temperature-vulcanized single-component transparent methanol-removing type silicone rubber sealant and preparation method thereof
CN107641494A (en) A kind of coupling agent modified fluid sealant of α isocyanato silanes
CN104693805A (en) Low-viscosity and high-strength transparent organic silicon compound as well as preparation method and application thereof
CN104497959A (en) Single-composition room-temperature vulcanized silicone rubber sealant and preparation method thereof
CN107523259A (en) A kind of preparation of organosilicon sealant coupling agent modified α 570
CN104650593B (en) A kind of silicon composition, preparation method and its use its semiconductor device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20110817