CN108504102A - A kind of low friction two-component crosslinked fluid silica gel - Google Patents
A kind of low friction two-component crosslinked fluid silica gel Download PDFInfo
- Publication number
- CN108504102A CN108504102A CN201810371920.2A CN201810371920A CN108504102A CN 108504102 A CN108504102 A CN 108504102A CN 201810371920 A CN201810371920 A CN 201810371920A CN 108504102 A CN108504102 A CN 108504102A
- Authority
- CN
- China
- Prior art keywords
- parts
- component
- silica gel
- hydroxy
- raw material
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions 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; Compositions of derivatives of such polymers
- C08L83/04—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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of low friction two-component crosslinked fluid silica gel, by component A and B component by weight 1:1~10:It is obtained after 1 mixing, by weight, the raw material for preparing of the component A includes：15 parts of 100 parts of hydroxy-terminated polysiloxane, 1 10 parts of filler, 15 parts of toughener, 15 parts of silane coupling agent and hydroxy silicon oil, the raw material for preparing of the B component include：15 parts of 100 parts of hydroxy-terminated polysiloxane, 15 parts of ethyl orthosilicate, 1 10 parts of silane modified polyether amine and polyvinyl alcohol.Using the crosslinked fluid Silica Surface friction coefficient of the invention prepared is low, curing rate is fast, shock resistance is good, stable and environmentally friendly, market prospects are extensive.
Description
Technical field
The present invention relates to silica gel technical fields, more particularly to a kind of low friction two-component crosslinked fluid silica gel.
Background technology
Two ingredient liquids silica gel is widely used in automobile, aviation, navigation, spaceship, rocket-powered missile, atomic energy, electronics
The every field such as electrical equipment industry have the characteristics that high temperature resistant, adhesion strength are stable, persistence is good.Since the ratio of two components can
To adjust, thus it is wide in variety, and do not absorb heat when solidification, not heat release, solidification post-shrinkage ratio is small.The liquid silica gel of the prior art, one
As be with α, alpha, omega-dihydroxy polydimethyl siloxane is base rubber, organotin is catalyst, and ethyl orthosilicate obtains for crosslinking agent.
There are following major defects for this formula：（1）Curing rate is slow；（2）Shock resistance is poor；（3）Friction coefficient is high.Cause
This, limits it and applies range.
Invention content
In order to solve problem above, the present invention provides a kind of low friction two-component crosslinked fluid silica gel, by component A and B groups
Divide by weight 1:1~10:It is obtained after 1 mixing, by weight, the raw material for preparing of the component A includes：The poly- silica of terminal hydroxy group
1-5 parts of 100 parts of alkane, 1-10 parts of filler, 1-5 parts of toughener, 1-5 parts of silane coupling agent and hydroxy silicon oil, the system of the B component
Include for raw material：100 parts of hydroxy-terminated polysiloxane, 1-5 parts of ethyl orthosilicate, 1-10 parts of silane modified polyether amine and polyethylene
1-5 parts of alcohol；
Preferably, a kind of low friction two-component crosslinked fluid silica gel, by component A and B component by weight 1:1~8:1 is mixed
It is obtained after conjunction, by weight, the raw material for preparing of the component A includes：100 parts of hydroxy-terminated polysiloxane, increases 2-8 parts of filler
1-3 parts of tough dose 1-3 parts, 1-4 parts of silane coupling agent and hydroxy silicon oil, the raw material for preparing of the B component include：The poly- silicon of terminal hydroxy group
2-4 parts of 100 parts of oxygen alkane, 2-4 parts of ethyl orthosilicate, 2-9 parts of silane modified polyether amine and polyvinyl alcohol；
It is highly preferred that a kind of low friction two-component crosslinked fluid silica gel, by component A and B component by weight 7:1 mixing
After obtain, by weight, the raw material for preparing of the component A includes：100 parts of hydroxy-terminated polysiloxane, 6 parts of filler, toughener 2
Part, 3 parts of silane coupling agent and 2 parts of hydroxy silicon oil, the raw material for preparing of the B component include：100 parts of hydroxy-terminated polysiloxane,
3 parts of 3 parts of ethyl orthosilicate, 8 parts of silane modified polyether amine and polyvinyl alcohol.
In one embodiment, a kind of low friction two-component crosslinked fluid silica gel, the filler are selected from dioxy
SiClx,
At least one of titanium dioxide, talcum powder, carbon nanotube and white carbon；Preferably, the filler be silica,
Titanium dioxide and talcum powder are by weight 1:(1-2):The mixture of (2-3), and the silica, titanium dioxide and cunning
The average grain diameter of mountain flour is respectively 50-100 nanometers, 500-800 nanometers and 1-3 microns；It is highly preferred that the filler is dioxy
SiClx, titanium dioxide and talcum powder are by weight 1:2:3 mixture, and the silica, titanium dioxide and talcum
The average grain diameter of powder is respectively 80 nanometers, 650 nanometers and 1.3 microns.
In one embodiment, the toughener is ethylene-vinyl acetate copolymer and acrylonitrile-butadiene-benzene
The mixture of ethylene copolymer is by weight 1:The mixture of (1-2)；Preferably, the toughener is ethylene-vinyl acetate
The mixture of copolymer and acrylonitrile-butadiene-styrene copolymer is by weight 1:1 mixture.
In one embodiment, the silane coupling agent is KH-550 and/or KH-560；Preferably, the silane is even
Join agent
For KH-550.
In one embodiment, the preparation method of the silane modified polyether amine is：
In the reactor, 0.01 mole of m-trifluoromethyl benzylamine, 0.015 mole of 4- benzyloxy -3- methoxyl groups are sequentially added
Benzene
Ethamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol monomethyl ether lead to argon gas protection, then heat to 80 DEG C of reactions
After 4 hours, it is down to room temperature, adds 0.001 mole of silane resin acceptor kh-550, leads to argon gas protection, is then warming up to 80 again
DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol, obtain sediment, wash the sediment three repeatedly with ethyl alcohol
It is 10 hours dry under 80 degree in vacuum drying oven after secondary, obtain the silane modified polyether amine.
In a preferred embodiment, in a kind of low friction two-component crosslinked fluid silica gel, the component A
Preparing raw material further preferably includes：1-5 parts of 1-5 parts of beta-cyclodextrin and 2- amino -4,6- dihydroxy-pyrimidines, the system of the B component
Further preferably include for raw material：0.1-1 parts of 1-5 parts of 1,6- dibromo-hexanes and triethylamine.
In a kind of more preferable embodiment, in a kind of low friction two-component crosslinked fluid silica gel, the component A
The raw material for preparing further preferably include：3 parts of 2 parts of beta-cyclodextrin and 2- amino -4,6- dihydroxy-pyrimidine, the preparation of the B component
Raw material further preferably includes：0.5 part of 4 parts of 1,6- dibromo-hexanes and triethylamine.
Compared with prior art, beneficial effects of the present invention are：
（1）The filler of specific proportioning is added in prior art basis in the present invention, and the Silica Surface friction coefficient of preparation is low；
（2）The present invention, by introducing silane modified polyether amine, improves erosion-resisting characteristics, reduces solidification in prior art basis
Time simultaneously further reduced Silica Surface friction coefficient；
（3）The present invention uses the toughener of special ratios, further improves erosion-resisting characteristics；
（4）It is further by the way that beta-cyclodextrin, 2- amino -4,6- dihydroxy-pyrimidines, 4 parts of 1,6- dibromo-hexanes and triethylamine is added
Reduce hardening time.
Specific implementation mode
The detailed description for preferred implementation method of the invention below of participating in the election of and including embodiment this hair can be more easily understood
Bright content.Unless otherwise defined, all technologies used herein and scientific terminology have common with field of the present invention
The normally understood identical meaning of technical staff.When there is a conflict, the definition in this specification shall prevail.
Hereinafter, the present invention will be described in more detail by embodiment, it should be appreciated that these embodiments are only
Be illustrate and not restrictive.If without specified otherwise, all raw materials are all directly to be purchased from Aladdin reagent.Polyvinyl alcohol
Purchased from Kuraray 217.
The properties of material are measured in embodiment using national standard, unless otherwise instructed, the score of component is parts by weight
Number.
Embodiment 1
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）1 part of 1 part, 1 part of ethylene-vinyl acetate copolymer, 1 part of KH-550 and hydroxy silicon oil, then at 110 DEG C, with
800 revs/min of rate stirs 30 minutes, obtains component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 1 part of ethyl orthosilicate, silane and change
Property 1 part of polyetheramine and 1 part of polyvinyl alcohol, with 800 revs/min of rate, stirred 10 minutes then at 100 DEG C, obtain B groups
Point；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, 0.01 mole of m-trifluoromethyl benzylamine, 0.015 mole of 4- benzyloxy -3- methoxyl groups are sequentially added
Benzene
Ethamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol monomethyl ether lead to argon gas protection, then heat to 80 DEG C of reactions
After 4 hours, it is down to room temperature, adds 0.001 mole of silane resin acceptor kh-550, leads to argon gas protection, is then warming up to 80 again
DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol, obtain sediment, wash the sediment three repeatedly with ethyl alcohol
It is 10 hours dry under 80 degree in vacuum drying oven after secondary, obtain the silane modified polyether amine.
Embodiment 2
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）5 parts of 10 parts, 5 parts of ethylene-vinyl acetate copolymer, 5 parts of KH-550 and hydroxy silicon oil, then at 110 DEG C, with
800 revs/min of rate stirs 30 minutes, obtains component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 5 parts of ethyl orthosilicate, silane and change
Property 10 parts of polyetheramine and 5 parts of polyvinyl alcohol, with 800 revs/min of rate, stirred 10 minutes then at 100 DEG C, obtain B groups
Point；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, 0.01 mole of m-trifluoromethyl benzylamine, 0.015 mole of 4- benzyloxy -3- methoxyl groups are sequentially added
Benzene
Ethamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol monomethyl ether lead to argon gas protection, then heat to 80 DEG C of reactions
After 4 hours, it is down to room temperature, adds 0.001 mole of silane resin acceptor kh-550, leads to argon gas protection, is then warming up to 80 again
DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol, obtain sediment, wash the sediment three repeatedly with ethyl alcohol
It is 10 hours dry under 80 degree in vacuum drying oven after secondary, obtain the silane modified polyether amine.
Embodiment 3
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）2 parts of 6 parts, 2 parts of ethylene-vinyl acetate copolymer, 3 parts of KH-550 and hydroxy silicon oil, then at 110 DEG C, with
800 revs/min of rate stirs 30 minutes, obtains component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 3 parts of ethyl orthosilicate, silane and change
Property 8 parts of polyetheramine and 3 parts of polyvinyl alcohol, with 800 revs/min of rate, stirred 10 minutes then at 100 DEG C, obtain B groups
Point；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, 0.01 mole of m-trifluoromethyl benzylamine, 0.015 mole of 4- benzyloxy -3- methoxyl groups are sequentially added
Benzene
Ethamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol monomethyl ether lead to argon gas protection, then heat to 80 DEG C of reactions
After 4 hours, it is down to room temperature, adds 0.001 mole of silane resin acceptor kh-550, leads to argon gas protection, is then warming up to 80 again
DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol, obtain sediment, wash the sediment three repeatedly with ethyl alcohol
It is 10 hours dry under 80 degree in vacuum drying oven after secondary, obtain the silane modified polyether amine.
Embodiment 4
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）3 parts, titanium dioxide（850 nanometers of average grain diameter）3 parts, 2 parts of ethylene-vinyl acetate copolymer, 3 parts of KH-550 and
2 parts of hydroxy silicon oil, with 800 revs/min of rate, stirs 30 minutes then at 110 DEG C, obtains component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 3 parts of ethyl orthosilicate, silane and change
Property 8 parts of polyetheramine and 3 parts of polyvinyl alcohol, with 800 revs/min of rate, stirred 10 minutes then at 100 DEG C, obtain B groups
Point；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, 0.01 mole of m-trifluoromethyl benzylamine, 0.015 mole of 4- benzyloxy -3- methoxyl groups are sequentially added
Benzene
Ethamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol monomethyl ether lead to argon gas protection, then heat to 80 DEG C of reactions
After 4 hours, it is down to room temperature, adds 0.001 mole of silane resin acceptor kh-550, leads to argon gas protection, is then warming up to 80 again
DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol, obtain sediment, wash the sediment three repeatedly with ethyl alcohol
It is 10 hours dry under 80 degree in vacuum drying oven after secondary, obtain the silane modified polyether amine.
Embodiment 5
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）1 part, titanium dioxide（850 nanometers of average grain diameter）2 parts, talcum powder（1.3 microns of average grain diameter）3 parts, ethyl vinyl acetate second
2 parts of 2 parts of enoate copolymer, 3 parts of KH-550 and hydroxy silicon oil, then at 110 DEG C, with 800 revs/min of rate, stirring 30
Minute, obtain component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 3 parts of ethyl orthosilicate, silane and change
Property 8 parts of polyetheramine and 3 parts of polyvinyl alcohol, with 800 revs/min of rate, stirred 10 minutes then at 100 DEG C, obtain B groups
Point；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, 0.01 mole of m-trifluoromethyl benzylamine, 0.015 mole of 4- benzyloxy -3- methoxyl groups are sequentially added
Benzene
Ethamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol monomethyl ether lead to argon gas protection, then heat to 80 DEG C of reactions
After 4 hours, it is down to room temperature, adds 0.001 mole of silane resin acceptor kh-550, leads to argon gas protection, is then warming up to 80 again
DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol, obtain sediment, wash the sediment three repeatedly with ethyl alcohol
It is 10 hours dry under 80 degree in vacuum drying oven after secondary, obtain the silane modified polyether amine.
Embodiment 6
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）1 part, titanium dioxide（850 nanometers of average grain diameter）2 parts, talcum powder（1.3 microns of average grain diameter）3 parts, ethyl vinyl acetate second
2 parts of 1 part of enoate copolymer, 1 part of acrylonitrile-butadiene-styrene copolymer, 3 parts of KH-550 and hydroxy silicon oil, then exist
At 110 DEG C, with 800 revs/min of rate, stirs 30 minutes, obtain component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 3 parts of ethyl orthosilicate, silane and change
Property 8 parts of polyetheramine and 3 parts of polyvinyl alcohol, with 800 revs/min of rate, stirred 10 minutes then at 100 DEG C, obtain B groups
Point；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, 0.01 mole of m-trifluoromethyl benzylamine, 0.015 mole of 4- benzyloxy -3- methoxyl groups are sequentially added
Benzene
Ethamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol monomethyl ether lead to argon gas protection, then heat to 80 DEG C of reactions
After 4 hours, it is down to room temperature, adds 0.001 mole of silane resin acceptor kh-550, leads to argon gas protection, is then warming up to 80 again
DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol, obtain sediment, wash the sediment three repeatedly with ethyl alcohol
It is 10 hours dry under 80 degree in vacuum drying oven after secondary, obtain the silane modified polyether amine.
Embodiment 7
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）1 part, titanium dioxide（850 nanometers of average grain diameter）2 parts, talcum powder（1.3 microns of average grain diameter）3 parts, ethyl vinyl acetate second
1 part of enoate copolymer, 1 part of acrylonitrile-butadiene-styrene copolymer, 3 parts of KH-550,2 parts of hydroxy silicon oil, beta-cyclodextrin 1
1 part of part and 2- amino -4,6- dihydroxy-pyrimidine, with 800 revs/min of rate, are stirred 30 minutes, are obtained then at 110 DEG C
Component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 3 parts of ethyl orthosilicate, silane and change
Property 0.1 part of 8 parts of polyetheramine, 3 parts of polyvinyl alcohol, 1 part of 1,6- dibromo-hexanes and triethylamine, then at 100 DEG C, with 800 turns/
The rate divided stirs 10 minutes, obtains B component；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, 0.01 mole of m-trifluoromethyl benzylamine, 0.015 mole of 4- benzyloxy -3- methoxyl groups are sequentially added
Benzene
Ethamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol monomethyl ether lead to argon gas protection, then heat to 80 DEG C of reactions
After 4 hours, it is down to room temperature, adds 0.001 mole of silane resin acceptor kh-550, leads to argon gas protection, is then warming up to 80 again
DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol, obtain sediment, wash the sediment three repeatedly with ethyl alcohol
It is 10 hours dry under 80 degree in vacuum drying oven after secondary, obtain the silane modified polyether amine.
Embodiment 8
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）1 part, titanium dioxide（850 nanometers of average grain diameter）2 parts, talcum powder（1.3 microns of average grain diameter）3 parts, ethyl vinyl acetate second
1 part of enoate copolymer, 1 part of acrylonitrile-butadiene-styrene copolymer, 3 parts of KH-550,2 parts of hydroxy silicon oil, beta-cyclodextrin 2
3 parts of part and 2- amino -4,6- dihydroxy-pyrimidine, with 800 revs/min of rate, are stirred 30 minutes, are obtained then at 110 DEG C
Component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 3 parts of ethyl orthosilicate, silane and change
Property 0.5 part of 8 parts of polyetheramine, 3 parts of polyvinyl alcohol, 4 parts of 1,6- dibromo-hexanes and triethylamine, then at 100 DEG C, with 800 turns/
The rate divided stirs 10 minutes, obtains B component；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, 0.01 mole of m-trifluoromethyl benzylamine, 0.015 mole of 4- benzyloxy -3- methoxyl groups are sequentially added
Benzene
Ethamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol monomethyl ether lead to argon gas protection, then heat to 80 DEG C of reactions
After 4 hours, it is down to room temperature, adds 0.001 mole of silane resin acceptor kh-550, leads to argon gas protection, is then warming up to 80 again
DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol, obtain sediment, wash the sediment three repeatedly with ethyl alcohol
It is 10 hours dry under 80 degree in vacuum drying oven after secondary, obtain the silane modified polyether amine.
Comparative example 1
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）1 part, titanium dioxide（850 nanometers of average grain diameter）2 parts, talcum powder（1.3 microns of average grain diameter）3 parts, ethyl vinyl acetate second
1 part of enoate copolymer, 1 part of acrylonitrile-butadiene-styrene copolymer, 3 parts of KH-550,2 parts of hydroxy silicon oil, beta-cyclodextrin 2
3 parts of part and 2- amino -4,6- dihydroxy-pyrimidine, with 800 revs/min of rate, are stirred 30 minutes, are obtained then at 110 DEG C
Component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 3 parts of ethyl orthosilicate, silane and change
Property 0.5 part of 8 parts of polyetheramine, 3 parts of polyvinyl alcohol, 4 parts of 1,6- dibromo-hexanes and triethylamine, then at 100 DEG C, with 800 turns/
The rate divided stirs 10 minutes, obtains B component；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, 0.025 mole of benzylamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol first are sequentially added
Ether, lead to argon gas protection, then heat to 80 DEG C reaction 4 hours after, be down to room temperature, add silane resin acceptor kh-550 0.001
Mole, lead to argon gas protection, be then warming up to again 80 DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol,
Sediment is obtained, it is 10 hours dry under 80 degree in vacuum drying oven after washing the sediment repeatedly with ethyl alcohol three times, obtain the silicon
Alkane modified polyether amine.
Comparative example 2
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）1 part, titanium dioxide（850 nanometers of average grain diameter）2 parts, talcum powder（1.3 microns of average grain diameter）3 parts, ethyl vinyl acetate second
1 part of enoate copolymer, 1 part of acrylonitrile-butadiene-styrene copolymer, 3 parts of KH-550,2 parts of hydroxy silicon oil, beta-cyclodextrin 2
3 parts of part and 2- amino -4,6- dihydroxy-pyrimidine, with 800 revs/min of rate, are stirred 30 minutes, are obtained then at 110 DEG C
Component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 3 parts of ethyl orthosilicate, silane and change
Property 0.5 part of 8 parts of polyetheramine, 3 parts of polyvinyl alcohol, 4 parts of 1,6- dibromo-hexanes and triethylamine, then at 100 DEG C, with 800 turns/
The rate divided stirs 10 minutes, obtains B component；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, 0.025 mole of m-trifluoromethyl benzylamine, 10 grams of epoxy resin E51 and 300 milliliters are sequentially added
Propylene glycol monomethyl ether, lead to argon gas protection, then heat to 80 DEG C reaction 4 hours after, be down to room temperature, add silane coupling agent KH-
550 0.001 moles, lead to argon gas protection, be then warming up to again 80 DEG C reaction 4 hours after, be down to room temperature, reaction solution fallen
Enter in ethyl alcohol, obtains sediment, it is 10 hours dry under 80 degree in vacuum drying oven after washing the sediment repeatedly with ethyl alcohol three times,
Obtain the silane modified polyether amine.
Comparative example 3
Prepare component A：In planet stirred tank, 100 parts of hydroxy-terminated polysiloxane, silica are sequentially added（Average grain diameter 80
Nanometer）1 part, titanium dioxide（850 nanometers of average grain diameter）2 parts, talcum powder（1.3 microns of average grain diameter）3 parts, ethyl vinyl acetate second
1 part of enoate copolymer, 1 part of acrylonitrile-butadiene-styrene copolymer, 3 parts of KH-550,2 parts of hydroxy silicon oil, beta-cyclodextrin 2
3 parts of part and 2- amino -4,6- dihydroxy-pyrimidine, with 800 revs/min of rate, are stirred 30 minutes, are obtained then at 110 DEG C
Component A；
Prepare B component：In planet stirred tank, sequentially adds 100 parts of hydroxy-terminated polysiloxane, 3 parts of ethyl orthosilicate, silane and change
Property 0.5 part of 8 parts of polyetheramine, 3 parts of polyvinyl alcohol, 4 parts of 1,6- dibromo-hexanes and triethylamine, then at 100 DEG C, with 800 turns/
The rate divided stirs 10 minutes, obtains B component；
Wherein, the preparation method of the silane modified polyether amine is：
In the reactor, sequentially add 0.025 mole 4- benzyloxy -3- methoxyphenethylamines, 10 grams of epoxy resin E51 and
300 milliliters of propylene glycol monomethyl ether, lead to argon gas protection, then heat to 80 DEG C reaction 4 hours after, be down to room temperature, add silane
0.001 mole of coupling agent KH-550, lead to argon gas protection, be then warming up to again 80 DEG C reaction 4 hours after, be down to room temperature, will be anti-
It answers solution to pour into ethyl alcohol, obtains sediment, after washing the sediment repeatedly with ethyl alcohol three times, 80 degree of lower dryings in vacuum drying oven
10 hours, obtain the silane modified polyether amine.
Test result
The component A of any one of embodiment 1-8 and comparative example 1-3 and B component are pressed by weight 7:After 1 mixing, until completely
After solidification（Hardness no longer changes）, obtain two-component crosslinked fluid silica gel and test its performance.
Shock resistance：Using the shock resistance of drop impact experimental method test sample, test condition is：Impact energy
15 is burnt, 2.7 meter per second of speed, test material S. E. A., that is, kinetic energy energy-absorbing rate.
The test data of each embodiment is shown in Table 1.
Table 1
| Time/h is fully cured | Kinetic energy absorption rate/% | The coefficient of sliding friction | Tensile strength/Mpa | |
| Embodiment 1 | 40 | 35 | 0.63 | 11.2 |
| Embodiment 2 | 37 | 37 | 0.66 | 12.0 |
| Embodiment 3 | 35 | 42 | 0.59 | 11.8 |
| Embodiment 4 | 36 | 40 | 0.52 | 11.7 |
| Embodiment 5 | 35 | 38 | 0.47 | 11.1 |
| Embodiment 6 | 38 | 49 | 0.46 | 10.9 |
| Embodiment 7 | 24 | 56 | 0.38 | 15.2 |
| Embodiment 8 | 20 | 58 | 0.31 | 17.3 |
| Comparative example 1 | 28 | 47 | 0.49 | 13.8 |
| Comparative example 2 | 27 | 45 | 0.28 | 15.8 |
| Comparative example 3 | 29 | 66 | 0.44 | 16.2 |
Example above-mentioned is merely illustrative, some features for explaining the method for the invention.The attached claims purport
In the range as wide as possible for requiring to be contemplated that, and embodiments as presented herein is only according to all possible embodiment
The explanation of the embodiment of the selection of combination.Therefore, the purpose of applicant is that the attached claims are not illustrated the present invention
The exemplary selectional restriction of feature.Some numberical ranges used also include subrange in the claims,
Variation in these ranges should also be construed to be covered by the attached claims in the conceived case.
Claims (10)
1. a kind of low friction two-component crosslinked fluid silica gel, by component A and B component by weight 1:1~10:It is obtained after 1 mixing,
It is characterized in that, by weight, the raw material for preparing of the component A includes：100 parts of hydroxy-terminated polysiloxane, 1-10 parts of filler,
1-5 parts of 1-5 parts of toughener, 1-5 parts of silane coupling agent and hydroxy silicon oil, the raw material for preparing of the B component include：Terminal hydroxy group is poly-
1-5 parts of 100 parts of siloxanes, 1-5 parts of ethyl orthosilicate, 1-10 parts of silane modified polyether amine and polyvinyl alcohol.
2. a kind of low friction two-component crosslinked fluid silica gel as described in claim 1, by component A and B component by weight 1:1
~8:It is obtained after 1 mixing, which is characterized in that by weight, the raw material for preparing of the component A includes：Hydroxy-terminated polysiloxane
1-3 parts of 100 parts, 2-8 parts of filler, 1-3 parts of toughener, 1-4 parts of silane coupling agent and hydroxy silicon oil, the preparation of the B component
Raw material includes：100 parts of hydroxy-terminated polysiloxane, 2-4 parts of ethyl orthosilicate, 2-9 parts of silane modified polyether amine and polyvinyl alcohol
2-4 parts.
3. a kind of low friction two-component crosslinked fluid silica gel as claimed in claim 2, by component A and B component by weight 7:1
It is obtained after mixing, which is characterized in that by weight, the raw material for preparing of the component A includes：100 parts of hydroxy-terminated polysiloxane,
2 parts of 6 parts of filler, 2 parts of toughener, 3 parts of silane coupling agent and hydroxy silicon oil, the raw material for preparing of the B component include：Terminal hydroxy group
3 parts of 100 parts of polysiloxanes, 3 parts of ethyl orthosilicate, 8 parts of silane modified polyether amine and polyvinyl alcohol.
4. a kind of low friction two-component crosslinked fluid silica gel as described in claim 1, which is characterized in that the filler is selected from two
At least one of silica, titanium dioxide, talcum powder, carbon nanotube and white carbon.
5. a kind of low friction two-component crosslinked fluid silica gel as described in claim 1, which is characterized in that the filler is dioxy
SiClx, titanium dioxide and talcum powder are by weight 1:(1-2):The mixture of (2-3), and the silica, titanium dioxide
And the average grain diameter of talcum powder is respectively 50-100 nanometers, 500-800 nanometers and 1-3 microns.
6. a kind of low friction two-component crosslinked fluid silica gel as described in claim 1, which is characterized in that the toughener is second
The mixture of alkene-vinyl acetate co-polymer and acrylonitrile-butadiene-styrene copolymer is by weight 1:The mixing of (1-2)
Object.
7. a kind of low friction two-component crosslinked fluid silica gel as described in claim 1, which is characterized in that the silane coupling agent
For KH-550 and/or KH-560.
8. a kind of low friction two-component crosslinked fluid silica gel as described in claim 1, which is characterized in that described silane-modified poly-
The preparation method of ether amines is：
In the reactor, 0.01 mole of m-trifluoromethyl benzylamine, 0.015 mole of 4- benzyloxy -3- methoxyl groups are sequentially added
Benzene
Ethamine, 10 grams of epoxy resin E51 and 300 milliliters of propylene glycol monomethyl ether lead to argon gas protection, then heat to 80 DEG C of reactions
After 4 hours, it is down to room temperature, adds 0.001 mole of silane resin acceptor kh-550, leads to argon gas protection, is then warming up to 80 again
DEG C reaction 4 hours after, be down to room temperature, reaction solution poured into ethyl alcohol, obtain sediment, wash the sediment three repeatedly with ethyl alcohol
It is 10 hours dry under 80 degree in vacuum drying oven after secondary, obtain the silane modified polyether amine.
9. a kind of low friction two-component crosslinked fluid silica gel as described in claim 1, which is characterized in that the system of the component A
Further preferably include for raw material：1-5 parts of 1-5 parts of beta-cyclodextrin and 2- amino -4,6- dihydroxy-pyrimidines, the preparation of the B component
Raw material further preferably includes：0.1-1 parts of 1-5 parts of 1,6- dibromo-hexanes and triethylamine.
10. a kind of low friction two-component crosslinked fluid silica gel as claimed in claim 9, which is characterized in that the system of the component A
Further preferably include for raw material：3 parts of 2 parts of beta-cyclodextrin and 2- amino -4,6- dihydroxy-pyrimidine, the B component prepares raw material
Further preferably include：0.5 part of 4 parts of 1,6- dibromo-hexanes and triethylamine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371920.2A CN108504102A (en) | 2018-04-24 | 2018-04-24 | A kind of low friction two-component crosslinked fluid silica gel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371920.2A CN108504102A (en) | 2018-04-24 | 2018-04-24 | A kind of low friction two-component crosslinked fluid silica gel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108504102A true CN108504102A (en) | 2018-09-07 |
Family
ID=63383424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810371920.2A Withdrawn CN108504102A (en) | 2018-04-24 | 2018-04-24 | A kind of low friction two-component crosslinked fluid silica gel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108504102A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020129744A1 (en) * | 2018-12-18 | 2020-06-25 | 信越化学工業株式会社 | Addition-curable silicone rubber composition and method for producing same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516932A (en) * | 2011-12-28 | 2012-06-27 | 成都拓利化工实业有限公司 | Transparent liquid silica gel and preparation method thereof |
| CN102634002A (en) * | 2012-04-23 | 2012-08-15 | 上海大学 | Preparation method and application of flexible aminosilane curing agent |
| CN103242799A (en) * | 2013-04-28 | 2013-08-14 | 深圳市新亚新材料有限公司 | Low-viscosity, rapidly-curing and high-flexibility double-component condensed type pouring silica gel and preparation method for same |
| CN104312513A (en) * | 2014-11-17 | 2015-01-28 | 南京艾布纳密封技术有限公司 | Two-component epoxy electronic potting silica gel |
| KR20170124997A (en) * | 2017-10-31 | 2017-11-13 | 주식회사 케이씨씨 | Fungicidal sealant composition |
-
2018
- 2018-04-24 CN CN201810371920.2A patent/CN108504102A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516932A (en) * | 2011-12-28 | 2012-06-27 | 成都拓利化工实业有限公司 | Transparent liquid silica gel and preparation method thereof |
| CN102634002A (en) * | 2012-04-23 | 2012-08-15 | 上海大学 | Preparation method and application of flexible aminosilane curing agent |
| CN103242799A (en) * | 2013-04-28 | 2013-08-14 | 深圳市新亚新材料有限公司 | Low-viscosity, rapidly-curing and high-flexibility double-component condensed type pouring silica gel and preparation method for same |
| CN104312513A (en) * | 2014-11-17 | 2015-01-28 | 南京艾布纳密封技术有限公司 | Two-component epoxy electronic potting silica gel |
| KR20170124997A (en) * | 2017-10-31 | 2017-11-13 | 주식회사 케이씨씨 | Fungicidal sealant composition |
Non-Patent Citations (2)
| Title |
|---|
| 张雨等: "聚醚胺的研究进展", 《广东化工》 * |
| 徐蔓等: "树脂及塑料", 《中国化工产品大全》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020129744A1 (en) * | 2018-12-18 | 2020-06-25 | 信越化学工業株式会社 | Addition-curable silicone rubber composition and method for producing same |
| JPWO2020129744A1 (en) * | 2018-12-18 | 2021-10-28 | 信越化学工業株式会社 | Additive-curable silicone rubber composition and its manufacturing method |
| JP7127702B2 (en) | 2018-12-18 | 2022-08-30 | 信越化学工業株式会社 | Addition-curable silicone rubber composition and method for producing the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190218417A1 (en) | Waterborne amino baking varnish and method for preparing the same | |
| CN114456386B (en) | Reactive epoxy modified organic silicon resin and solvent-free high-temperature-resistant coating | |
| CN102558508B (en) | Low temperature curable epoxy compositions | |
| CN103044920B (en) | One-component room temperature vulcanized and methyl alcohol-removed silicon rubber of starting-resistant engine oil and preparation method of rubber | |
| CN109867965A (en) | A kind of high-temperature-resisting silicon rubber material and the preparation method and application thereof | |
| CN105218774B (en) | Polysiloxane-modified terpenyl epoxy resin polyalcohol water dispersoid of anionic and preparation method thereof | |
| CN107523260A (en) | The double cured silicone compounds of two-component | |
| JP5819611B2 (en) | Vibration damping composition | |
| CN104449508A (en) | Flexible epoxy structural adhesive and preparation method thereof | |
| CN110734728A (en) | modified epoxy structural adhesive for plastic part bonding and preparation method thereof | |
| CN105038522A (en) | Photocureable coating and preparation method thereof | |
| CN104892858A (en) | High biomass content epoxy resin composition, and curing method and applications thereof | |
| CN113429856A (en) | Low-temperature-resistant polymer cement waterproof coating and preparation method thereof | |
| CN107629640A (en) | A kind of agricultural machinery anti-corrosive primer and preparation method thereof | |
| CN105969301A (en) | Organic silicone for high-power LED packaging and methods of preparing and using same | |
| CN1239560C (en) | Potential curing agent for epoxy resin solidified epoxy resin composition | |
| CN108504102A (en) | A kind of low friction two-component crosslinked fluid silica gel | |
| CN108276774A (en) | A kind of organosilicon composition, foam and the porous, expanded material of organosilicon prepared by the composition, foam | |
| CN110387128A (en) | A kind of self-adhering-type Single-component addition-type silicone rubber and preparation method thereof | |
| CN114231185B (en) | Seam beautifying agent capable of rapidly curing system and preparation method and application thereof | |
| CN108276884A (en) | Urethane composition and coating and polyolefine material and its surface treatment method | |
| CN113150499A (en) | Epoxy resin composition for pultrusion and preparation method thereof | |
| CN104449333B (en) | High-transparency high-fullness solvent-type matte carpentry paint and preparation method thereof | |
| CN109485855A (en) | A kind of flame retardant type organic silicon surfactant and its application | |
| CN109135412A (en) | Environment-friendly water-based flexo UV ink |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180907 |