CN108864706A - A kind of foam blocking material for rolling stock - Google Patents
A kind of foam blocking material for rolling stock Download PDFInfo
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- CN108864706A CN108864706A CN201710317649.XA CN201710317649A CN108864706A CN 108864706 A CN108864706 A CN 108864706A CN 201710317649 A CN201710317649 A CN 201710317649A CN 108864706 A CN108864706 A CN 108864706A
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- omega
- alpha
- rolling stock
- polydimethyl siloxane
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- 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
- C08L83/06—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of foam blocking material for rolling stock, composition is as follows according to parts by weight：α, alpha, omega-dihydroxy polydimethyl siloxane A：46-54 parts, α, alpha, omega-dihydroxy polydimethyl siloxane B：27-33 parts, α, alpha, omega-dihydroxy polydimethyl siloxane C：10-15 parts, the dimethyl silicone polymer of ethenyl blocking：4-8 parts, ethenyl blocking methyl phenyl silicone oil：2-6 parts, end containing hydrogen silicone oil：25-35 parts, MQ type silicone resin：3-8 parts, ultrafine aluminium hydroxide：60-100 parts, platinum catalyst：0.1-1 parts, t etram-ethyltetravinylcyclotetrasiloxane：0.1-1 parts, there is fire protection flame retarding, antidetonation, mitigate that noise, air-tightness be good, good waterproof performance, protect cable sheath, do not generate the feature of chemical reaction with cable sheath.
Description
Technical field
The present invention relates to a kind of plugging materials, and in particular to a kind of foam blocking material for rolling stock.
Background technique
Railway is the main artery and the popular vehicles of the important infrastructure of country, national economy, is comprehensive friendship
The backbone of logical transportation system, plays an important role in pushing the good and fast development of China's economic society.National Eleventh Five-Year Plan
Planning outline is emphasized " to accelerate development railway transportation.Line for Passenger Transportation, inter-city rail transit, coal transport facility are focused the consruction on, is preliminarily formed
Personal rapid transit and Coal Transport network ".National " 12th Five-Year Plan " planning outline is clear " building up national speed rail net substantially ", " adds
Fast special line for passenger trains, area border main line, coal transport facility construction, Develop High-Speed Railway form fast passenger transportation network, strengthen Heavy-haul Freight
Net ".In January, 2004, State Council approved《Mid-long term railway network plan》.State Council's reply in 2007《Multi-modal Transport Network
Long-and Medium-term Development planning》, determine to the year two thousand twenty railway network total scale and reach 120,000 kilometers or more.
There are holes in high-speed railway, can generate noise, the cable in hole can also stung bad by mouse, insect, cause
Have huge economic loss, there are great security risk, existing hole takes sealant to be blocked, cable easy to damage,
Easy to fall off, service life is low, and plugging effect is bad.
Summary of the invention
The purpose of the present invention is to overcome the defects in the prior art, provides a kind of foam blocking material for rolling stock
Material has fire protection flame retarding, antidetonation, mitigates good noise, air-tightness, good waterproof performance, protection cable sheath, do not generate with cable sheath
Chemically react the feature of (sealant used originally often reacts with cable).
The present invention is achieved by technical solution below：
A kind of foam blocking material for rolling stock, composition are as follows according to parts by weight：
α, alpha, omega-dihydroxy polydimethyl siloxane A：46-54 parts,
α, alpha, omega-dihydroxy polydimethyl siloxane B：27-33 parts,
α, alpha, omega-dihydroxy polydimethyl siloxane C：10-15 parts,
The dimethyl silicone polymer of ethenyl blocking：4-8 parts,
Ethenyl blocking methyl phenyl silicone oil：2-6 parts,
Hold containing hydrogen silicone oil：25-35 parts,
MQ type silicone resin：3-8 parts,
Ultrafine aluminium hydroxide：60-100 parts,
Platinum catalyst：0.1-1 parts,
T etram-ethyltetravinylcyclotetrasiloxane：0.1-1 parts.
Above-mentioned a kind of foam blocking material for rolling stock, wherein the α, alpha, omega-dihydroxy polydimethyl siloxane
A viscosity at 25 DEG C is 730-780mPas, and α, alpha, omega-dihydroxy polydimethyl siloxane the B viscosity at 25 DEG C are 19000-
21000mPas, α, alpha, omega-dihydroxy polydimethyl siloxane C viscosity at 25 DEG C are 4000-6000mPas, vinyl envelope
The dimethyl silicone polymer at end viscosity at 25 DEG C is 4000-6000mPa.s, and ethenyl blocking methyl phenyl silicone oil is at 25 DEG C
Viscosity is 650-850mPa.s.
Above-mentioned a kind of foam blocking material for rolling stock, wherein the hydrogen content of the end containing hydrogen silicone oil is
1.5%.
A kind of above-mentioned foam blocking material for rolling stock, wherein the M/Q=0.75 of the MQ type silicone resin.
Above-mentioned a kind of foam blocking material for rolling stock, wherein the platinum content of the platinum catalyst is
5000ppm。
A kind of above-mentioned foam blocking material for rolling stock, wherein the t etram-ethyltetravinylcyclotetrasiloxane
Four ring bodies (V4) content >=85.0%.
Beneficial effects of the present invention are：
Apply the present invention to block rolling stock hole, foam, expand rapidly immediately, expands up to several times, expansion bubble
In foam 4 minutes can setting and hardening, adhesion strength is good, not easily to fall off, have fire protection flame retarding, antidetonation noise abatement, air-tightness is good, waterproofness
The good effect of energy, can effectively prevent damaging cable skin.
Specific embodiment
Below by way of specific embodiment, specific embodiments of the present invention will be described in further detail.
Embodiment one
A kind of foam blocking material for rolling stock, composition are as follows according to parts by weight：
Viscosity is the α, alpha, omega-dihydroxy polydimethyl siloxane A of 750mPas at 25 DEG C：Viscosity is at 50 parts, 25 DEG C
The α of 20000mPas, alpha, omega-dihydroxy polydimethyl siloxane B：Viscosity is the α, ω-two of 5000mPas at 30 parts, 25 DEG C
Hydroxyl dimethyl silicone polymer C：Viscosity is the dimethyl silicone polymer of the ethenyl blocking of 5000mPa.s at 12 parts, 25 DEG C：6
Part, viscosity is the ethenyl blocking methyl phenyl silicone oil of 750mPa.s at 25 DEG C：4 parts, the end Silicon Containing Hydrogen that hydrogen content is 1.5%
Oil：30 parts, the MQ type silicone resin of M/Q=0.75：5 parts, ultrafine aluminium hydroxide：80 parts, the platinum that platinum content is 5000ppm catalysis
Agent：0.5 part, the t etram-ethyltetravinylcyclotetrasiloxane that four ring bodies (V4) content is 85.0%：0.6 part.
The preparation method of above-mentioned foam blocking material is：Above-mentioned each component is uniformly mixed at normal temperature, when mixing
Between be 45s.
Embodiment two
A kind of foam blocking material for rolling stock, composition are as follows according to parts by weight：
Viscosity is the α, alpha, omega-dihydroxy polydimethyl siloxane A of 740mPas at 25 DEG C：Viscosity is at 48 parts, 25 DEG C
The α of 20000mPas, alpha, omega-dihydroxy polydimethyl siloxane B：Viscosity is the α, ω-two of 4800mPas at 32 parts, 25 DEG C
Hydroxyl dimethyl silicone polymer C：Viscosity is the dimethyl silicone polymer of the ethenyl blocking of 5200mPa.s at 11 parts, 25 DEG C：5
Part, viscosity is the ethenyl blocking methyl phenyl silicone oil of 700mPa.s at 25 DEG C：5 parts, the end Silicon Containing Hydrogen that hydrogen content is 1.5%
Oil：28 parts, the MQ type silicone resin of M/Q=0.75：6 parts, ultrafine aluminium hydroxide：90 parts, the platinum that platinum content is 5000ppm catalysis
Agent：0.4 part, the t etram-ethyltetravinylcyclotetrasiloxane that four ring bodies (V4) content is 88.0%：0.5 part.
The preparation method of above-mentioned foam blocking material is：Above-mentioned each component is uniformly mixed at normal temperature, when mixing
Between be 60s.
Embodiment three
A kind of foam blocking material for rolling stock, composition are as follows according to parts by weight：
Viscosity is the α, alpha, omega-dihydroxy polydimethyl siloxane A of 760mPas at 25 DEG C：Viscosity is at 52 parts, 25 DEG C
The α of 19800mPas, alpha, omega-dihydroxy polydimethyl siloxane B：Viscosity is the α, ω-two of 5500mPas at 28 parts, 25 DEG C
Hydroxyl dimethyl silicone polymer C：Viscosity is the dimethyl silicone polymer of the ethenyl blocking of 4800mPa.s at 13 parts, 25 DEG C：4
Part, viscosity is the ethenyl blocking methyl phenyl silicone oil of 680mPa.s at 25 DEG C：6 parts, the end Silicon Containing Hydrogen that hydrogen content is 1.5%
Oil：32 parts, the MQ type silicone resin of M/Q=0.75：4 parts, ultrafine aluminium hydroxide：75 parts, the platinum that platinum content is 5000ppm catalysis
Agent：0.8 part, the t etram-ethyltetravinylcyclotetrasiloxane of four ring bodies (V4) content >=85.0%：0.8 part.
The preparation method of above-mentioned foam blocking material is：Above-mentioned each component is uniformly mixed at normal temperature, when mixing
Between be 60s.
Description and application of the invention herein are illustrative, is not wishing to limit the scope of the invention to above-described embodiment
In, therefore, present invention is not limited by this embodiment, and any technical solution obtained using equivalence replacement is protected in the present invention
In the range of.
Claims (6)
1. a kind of foam blocking material for rolling stock, it is characterized in that, composition is as follows according to parts by weight：
α, alpha, omega-dihydroxy polydimethyl siloxane A：46-54 parts,
α, alpha, omega-dihydroxy polydimethyl siloxane B：27-33 parts,
α, alpha, omega-dihydroxy polydimethyl siloxane C：10-15 parts,
The dimethyl silicone polymer of ethenyl blocking：4-8 parts,
Ethenyl blocking methyl phenyl silicone oil：2-6 parts,
Hold containing hydrogen silicone oil：25-35 parts,
MQ type silicone resin：3-8 parts,
Ultrafine aluminium hydroxide：60-100 parts,
Platinum catalyst：0.1-1 parts,
T etram-ethyltetravinylcyclotetrasiloxane：0.1-1 parts.
2. a kind of foam blocking material for rolling stock as described in claim 1, it is characterized in that, the α, ω-dihydroxy
Base dimethyl silicone polymer A viscosity at 25 DEG C is 730-780mPas, and α, alpha, omega-dihydroxy polydimethyl siloxane B is at 25 DEG C
Lower viscosity is 19000-21000mPas, and α, alpha, omega-dihydroxy polydimethyl siloxane the C viscosity at 25 DEG C are 4000-
6000mPas, the dimethyl silicone polymer of ethenyl blocking viscosity at 25 DEG C is 4000-6000mPa.s, ethenyl blocking
Methyl phenyl silicone oil viscosity at 25 DEG C is 650-850mPa.s.
3. a kind of foam blocking material for rolling stock as described in claim 1, it is characterized in that, the end containing hydrogen silicone oil
Hydrogen content be 1.5%.
4. a kind of foam blocking material for rolling stock as described in claim 1, it is characterized in that, the MQ type silicone resin
M/Q=0.75.
5. a kind of foam blocking material for rolling stock as described in claim 1, it is characterized in that, the platinum catalyst
Platinum content be 5000ppm.
6. a kind of foam blocking material for rolling stock as described in claim 1, it is characterized in that, the tetramethyl tetrem
Four ring bodies (V4) content >=85.0% of alkenyl cyclotetrasiloxane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317649.XA CN108864706A (en) | 2017-05-08 | 2017-05-08 | A kind of foam blocking material for rolling stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317649.XA CN108864706A (en) | 2017-05-08 | 2017-05-08 | A kind of foam blocking material for rolling stock |
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| Publication Number | Publication Date |
|---|---|
| CN108864706A true CN108864706A (en) | 2018-11-23 |
Family
ID=64287758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317649.XA Pending CN108864706A (en) | 2017-05-08 | 2017-05-08 | A kind of foam blocking material for rolling stock |
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| Country | Link |
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| CN (1) | CN108864706A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165166A (en) * | 2017-12-31 | 2018-06-15 | 江苏万源新材料股份有限公司 | A kind of aluminium alloy wheel hub special coating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050272860A1 (en) * | 2002-07-18 | 2005-12-08 | Christian Herzig | Branched siloxane polymers comprising alkenyl groups and used as antimisting additives for silicone coating compositions |
| CN104387776A (en) * | 2014-10-28 | 2015-03-04 | 中国科学院宁波材料技术与工程研究所 | Preparation method of antistatic and flame-retardant silicon rubber foam material |
| CN106084796A (en) * | 2016-06-21 | 2016-11-09 | 山东船舶技术研究院 | A kind of high fire-retardance organosilicon cavernosa material and preparation method thereof |
| CN106589954A (en) * | 2017-02-13 | 2017-04-26 | 成都硅宝科技股份有限公司 | Low viscosity flame-retardant room temperature vulcanized foam silicone rubber and preparation method thereof |
-
2017
- 2017-05-08 CN CN201710317649.XA patent/CN108864706A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050272860A1 (en) * | 2002-07-18 | 2005-12-08 | Christian Herzig | Branched siloxane polymers comprising alkenyl groups and used as antimisting additives for silicone coating compositions |
| CN104387776A (en) * | 2014-10-28 | 2015-03-04 | 中国科学院宁波材料技术与工程研究所 | Preparation method of antistatic and flame-retardant silicon rubber foam material |
| CN106084796A (en) * | 2016-06-21 | 2016-11-09 | 山东船舶技术研究院 | A kind of high fire-retardance organosilicon cavernosa material and preparation method thereof |
| CN106589954A (en) * | 2017-02-13 | 2017-04-26 | 成都硅宝科技股份有限公司 | Low viscosity flame-retardant room temperature vulcanized foam silicone rubber and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 黄文润，等: "《液体硅橡胶》", 30 June 2009, 四川科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165166A (en) * | 2017-12-31 | 2018-06-15 | 江苏万源新材料股份有限公司 | A kind of aluminium alloy wheel hub special coating |
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