CN106398225A - Flame-retardant silicone rubber heat-shrinkable sleeve and preparation method thereof - Google Patents
Flame-retardant silicone rubber heat-shrinkable sleeve and preparation method thereof Download PDFInfo
- Publication number
- CN106398225A CN106398225A CN201510478300.5A CN201510478300A CN106398225A CN 106398225 A CN106398225 A CN 106398225A CN 201510478300 A CN201510478300 A CN 201510478300A CN 106398225 A CN106398225 A CN 106398225A
- Authority
- CN
- China
- Prior art keywords
- flame
- shrinkable
- silicon rubber
- silicone rubber
- mixture
- 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
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a flame-retardant silicone rubber heat-shrinkable sleeve and a preparation method thereof. The raw materials of the heat-shrinkable sleeve comprise (A) polyorganosiloxane having at least two alkenyl groups, (B) a thermoplastic resin or a mixture of several thermoplastic resins, (C) fumed silica or precipitated white carbon black or a mixture thereof having the specific surface area of at least 50 m<2>/g, (D) inorganic filler, (E) a fire retardant and (F) a curing agent. The raw materials except the curing agent (F) are uniformly mixed in a vacuum kneading machine, and then the mixture is subjected to heating and vacuumizing to obtain a silicone rubber mixture; the curing agent (F) is added in an open mill and extruding, vulcanizing and shaping are performed, and then the silicone rubber tube is expanded at the heating condition, and under the expanded condition, the silicone rubber tube is cooled and shaped under the normal temperature condition, so as to obtain the silicone rubber sleeve with the heat shrinkage function. The silicone rubber heat shrinkage sleeve is easy to process, the flame retardance of the silicone rubber heat-shrinkable sleeve is good, and the shrinkage is very good.
Description
Technical field
The present invention relates to a kind of heat-shrinkable T bush technical equipment field, particularly to a kind of flame-proof silicon rubber heat
Heat-Shrinkable Tubings and preparation method thereof.
Background technology
General Purpose Rubber heat-shrinkable T bush is to be formed with blend rubber refining by thermoplastic resin, and conventional having is poly-
Ethylene/vinyl-acetate ethylene copolymer/terpolymer EP rubber blend crosslinking with radiation heat-shrinkage material, anti-
Formula polyisoprene/ethylene-vinyl acetate copolymer blend crosslinking with radiation heat-shrinkage material, ethene-
Acetate ethylene copolymer/Silicone Rubber Blends crosslinking with radiation heat-shrinkage material etc..
Silicon rubber has good heat resistant performance, and silicon rubber still has at low ambient temperatures simultaneously
There is excellent caoutchouc elasticity.Have high temperature resistant and low temperature resistant characteristic is that silicon rubber is different from other simultaneously
The maximum characteristic of elastomeric material, so the range of application of silicon rubber heat-shrinkable T bush is far longer than and commonly gathers
Alkene heat-shrinkable T bush.In prior art there is poor fire in heat-shrinkable T bush, and shrinkage is unstable, and
And the little defect of shrinkage rates.
Content of the invention
For solving above-mentioned technical problem, the invention provides a kind of flame-proof silicon rubber heat-shrinkable T bush and its system
Preparation Method, for deficiency of the prior art, by from suitable thermoplastic resin and polysiloxanes
Cooperation, makes two-phase reach compatible, ensures thermal shrinkable sleeve pipe by the filler of certain particle diameter simultaneously
There is good radial direction recovery, there is certain tear resistance, by rational cooperation flame-retardant system
This heat-shrinkable T bush is made to obtain excellent fire resistance.
For reaching above-mentioned purpose, technical scheme is as follows：A kind of flame-proof silicon rubber heat-shrinkable T bush,
The composition material of described flame-proof silicon rubber thermal shrinkable sleeve, including：Polysiloxane, thermoplastic resin,
White carbon, inert filler, fire retardant, curing agent it is characterised in that：
The proportioning of the composition material of described flame-proof silicon rubber thermal shrinkable sleeve is：Count by weight,
Described polysiloxane at least contains two alkenyls, and its chemical representative formula is：
RnSiO(4-n)/2
Wherein R may be the same or different, and R represents the alkyl optionally through replacing；The numerical value of n be 0,
1st, 2 or 3, or n mean values be 1.9 to 2.1.
The alkyl that described R represents, preferably methyl, phenyl, vinyl or 3,3,3 trifluoropropyl
Base.
Described poly- organic polysiloxane can be liquid or highly viscous material, under the conditions of 25 DEG C
Viscosity be preferably 103 to 108 square millimeters/seconds.
Described thermoretractile resin is thermoplastic silicone resin, polyethylene, polyvinyl chloride, vinyl acetate-ethylene
The mixture of one or more of copolymer, polymethyl methacrylate, polystyrene or polypropylene.
Described white carbon specific surface area is at least 50m2/g；Described white carbon is gas-phase silica or sinks
Shallow lake white carbon or the mixture of the two；Described white carbon be hydrophilic or hydrophobic silicic aerogels or the two
Mixture.
Described inert filler is one or more of titanium oxide, aluminum oxide, talcum powder, mica powder
Mixture.
Described fire retardant is aluminium hydroxide, Firebrake ZB, magnesium hydroxide, platinum complex, phosphorus nitrogen compound
One or more of mixture.
Described curing agent is used for for flame-retardant rubber composition forming silicon rubber by crosslinking curing,
Described crosslinking curing mode is peroxide crosslinking, condensation cross-linking, addition-crosslinked；Preferably, use
Peroxide as the curing agent in rubber composition, described curing agent include dibenzoyl peroxide,
Peroxidating double (2,4 dichloro benzene formyl), cumyl peroxide and 2,5- bis(t-butylperoxy)
- 2,5- dimethylhexane and its mixture；Wherein preferably curing agent is the double (2,4 dichloro benzene of peroxidating
Formyl) and 2,5-bis(t-butylperoxy)-2,5-dimethylhexane.
A kind of preparation method of flame-proof silicon rubber sleeve pipe, including：Dispensing, Vacuum Mixture, vacuum kneading,
Mill, reinforces agent, extrusion molding, expansion sizing；It is characterized in that：
1st, dispensing, according to formula composition material choose polysiloxane, thermoplastic resin, white carbon,
Inert filler, fire retardant, according to the polysiloxane of technical recipe percentage of weight number, thermoplasticity
Resin, white carbon, inert filler, fire retardant are added in the charging basket of vacuum kneading machine；
2nd, Vacuum Mixture, closes vacuum kneading machine charging basket, opens vacuum, turn on agitator, to charging basket
Interior material is mixed, and incorporation time is 10 30 minutes；
3rd, vacuum kneading, opens the heater of vacuum kneading machine, charging basket is heated, heating-up temperature
Scope is 165 DEG C ± 5 DEG C, vacuum -0.065MPa -0.1MPa, process time 45 minutes～2
Hour；
4th, composition, opens vacuum kneading machine charging basket, composition is taken the dish out of the pot, and natural cooling, cooling
Time is more than 2 hours；
5th, mill, the composition in step 4 is transferred in mill, opens mill to composition
Carry out mixed refining, mixing time is 30 60 minutes；
6th, reinforce agent, in mill in steps of 5, add curing agent according to processing compound, and
Continue mixing 30 60 minutes, obtain sizing material；
7th, extrusion molding, the sizing material being obtained in step 6 is transferred in extruder, by extruder and
Extrusion die, obtains silicone rubber sleeve；
8th, expansion sizing, the silicone rubber sleeve in step 7 is placed on expander, protects at high temperature
Open silicone rubber sleeve, and in room temperature or be less than under room temperature condition, the silicone rubber sleeve expanded is entered
Row cooling and shaping, obtains the silicon rubber heat-shrinkable T bush with fire resistance.
By technique scheme, the beneficial effect of technical solution of the present invention is：By from suitable
Thermoplastic resin is coordinated with polysiloxanes, so that two-phase is reached compatible, passes through certain particle diameter simultaneously
Filler ensure that heat-shrinkable T bush has good radial direction recovery, there is certain tear resistance, lead to
Crossing reasonably cooperation flame-retardant system makes this heat-shrinkable T bush obtain excellent fire resistance；Thermal shrinkable sleeve of the present invention
Pipe fire resistance is good, and shrinkage is stable, and shrinkage rates are big.
Specific embodiment
It is clearly and completely described it is clear that described below in conjunction with technical scheme
Embodiment be only a part of embodiment of the present invention, rather than whole embodiment.Based on the present invention
In embodiment, those of ordinary skill in the art are obtained under the premise of not making creative work
Every other embodiment, broadly falls into the scope of protection of the invention.
The invention provides a kind of flame-proof silicon rubber heat-shrinkable T bush and preparation method thereof, described fire-retardant silicon rubber
The composition material of glue thermal shrinkable sleeve, including：Polysiloxane, thermoplastic resin, white carbon, inertia
Filler, fire retardant, curing agent it is characterised in that：
The proportioning of the composition material of described flame-proof silicon rubber thermal shrinkable sleeve is：Count by weight,
Described machine polysiloxane can be liquid or highly viscous material, viscous under the conditions of 25 DEG C
Degree is preferably 103 to 108 square millimeters/seconds.
Described white carbon specific surface area is at least 50m2/g；Described white carbon is gas-phase silica or sinks
Shallow lake white carbon or the mixture of the two；Described white carbon be hydrophilic or hydrophobic silicic aerogels or the two
Mixture.
Described inert filler is one or more of titanium oxide, aluminum oxide, talcum powder, mica powder
Mixture.
Described fire retardant is the mixture of one or more of aluminium hydroxide, Firebrake ZB, platinum complex.
Described curing agent is used for for flame-retardant rubber composition forming silicon rubber by crosslinking curing,
Described crosslinking curing mode is peroxide crosslinking, condensation cross-linking, addition-crosslinked；Using peroxide
As the curing agent in rubber composition, preferred curing agent is double (2, the 4- dichloro-benzenes first of peroxidating
Acyl).
A kind of preparation method of flame-proof silicon rubber sleeve pipe, including：Dispensing, Vacuum Mixture, vacuum kneading,
Mill, reinforces agent, extrusion molding, expansion sizing；It is characterized in that：
1st, dispensing, according to formula composition material choose polysiloxane, thermoplastic resin, white carbon,
Inert filler, fire retardant, according to the polysiloxane of technical recipe percentage of weight number, thermoplasticity
Resin, white carbon, inert filler, fire retardant are added in the charging basket of vacuum kneading machine；
2nd, Vacuum Mixture, closes vacuum kneading machine charging basket, opens vacuum, turn on agitator, to charging basket
Interior material is mixed, and incorporation time is 10 30 minutes；
3rd, vacuum kneading, opens the heater of vacuum kneading machine, charging basket is heated, heating-up temperature
Scope is 165 DEG C ± 5 DEG C, vacuum -0.065MPa -0.1MPa, process time 45 minutes～2
Hour；
4th, composition, opens vacuum kneading machine charging basket, composition is taken the dish out of the pot, and natural cooling, cooling
Time is more than 2 hours；
5th, mill, the composition in step 4 is transferred in mill, opens mill to composition
Carry out mixed refining, mixing time is 30 60 minutes；
6th, reinforce agent, in mill in steps of 5, add curing agent according to processing compound, and
Continue mixing 30 60 minutes, obtain sizing material；
7th, extrusion molding, the sizing material being obtained in step 6 is transferred in extruder, by extruder and
Extrusion die, obtains silicone rubber sleeve；
8th, expansion sizing, the silicone rubber sleeve in step 7 is placed on expander, protects at high temperature
Open silicone rubber sleeve, and in room temperature or be less than under room temperature condition, the silicone rubber sleeve expanded is entered
Row cooling and shaping, obtains the silicon rubber heat-shrinkable T bush with fire resistance.
Embodiment one：
Take 100 parts of Polymethyl methacrylate, 30 parts of white carbons, 50 parts of phenyl polysiloxanes, 50
Part titanium dioxide, 40 parts of aluminium hydroxides and the 2,4- dichloro benzoyl peroxide adding silica-gel mixture 1.2%
Formyl, the preparation method according to above-mentioned flame-proof silicon rubber heat-shrinkable T bush is obtained flame-proof silicon rubber heat-shrinkable T bush；
Material performance：Tensile strength：12MPa
Elongation at break：260%
Oxygen index (OI)：28
Tearing strength：23
Embodiment two：
Take 100 parts of polymethyl-benzene base vinylsiloxanes, 50 parts of white carbons, 40 parts of phenyl polysiloxanes,
50 parts of silicon powders, 50 parts of Firebrake ZBs, 1 part of platinum fire retardant and interpolation silastic mixture 1.2%
2,4- dichlorobenzoperoxides, the preparation method according to above-mentioned flame-proof silicon rubber heat-shrinkable T bush is obtained resistance
Combustion silicon rubber heat-shrinkable T bush；
Material performance：Tensile strength：11MPa
Elongation at break：270%
Oxygen index (OI)：32
Tearing strength：20KN/m
Embodiment three：
Take 100 parts of Polymethyl methacrylate, 40 parts of white carbons, 50 parts of phenyl siloxane rubbers, 30
Part silicon powder, 70 parts of aluminium hydroxides and 1 part of platinum complex and interpolation silastic mixture 1.2%
2,4- dichlorobenzoperoxide (be commonly called as double-two four), according to above-mentioned flame-proof silicon rubber thermal shrinkable sleeve
The preparation method of pipe is obtained flame-proof silicon rubber heat-shrinkable T bush；
Material performance：Tensile strength：12MPa
Elongation at break：230%
Oxygen index (OI)：35
Tearing strength：22
By above-mentioned specific embodiment, the invention has the beneficial effects as follows：By from suitable thermoplasticity
Resin is coordinated with polysiloxanes, so that two-phase is reached compatible, passes through the filler of certain particle diameter simultaneously
Ensure that heat-shrinkable T bush has good radial direction recovery, there is certain tear resistance, by reasonable
Cooperation flame-retardant system make this heat-shrinkable T bush obtain excellent fire resistance；Heat-shrinkable T bush of the present invention is fire-retardant
Performance is good, and shrinkage is stable, and shrinkage rates are big.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or makes
Use the present invention.Multiple modifications to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from the spirit or scope of the present invention
In the case of, realize in other embodiments.Therefore, the present invention be not intended to be limited to shown in this article
These embodiments, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (8)
1. a kind of flame-proof silicon rubber heat-shrinkable T bush is it is characterised in that described flame-proof silicon rubber thermal shrinkable sleeve
Composition material, including：Polysiloxane, thermoplastic resin, white carbon, inert filler, fire-retardant
Agent, curing agent；The proportioning of the composition material of described flame-proof silicon rubber thermal shrinkable sleeve is：Count by weight,
2. a kind of flame-proof silicon rubber heat-shrinkable T bush according to claim 1 it is characterised in that
Described polysiloxane at least contains two alkenyls, and its chemical representative formula is：
RnSiO(4-n)/2
Wherein R may be the same or different, and R represents the alkyl optionally through replacing；The numerical value of n be 0,
1st, 2 or 3, or n mean values be 1.9 to 2.1；The alkyl that described R represents, preferably first
Base, phenyl, vinyl or 3,3,3 trifluoro propyls；Described gather organic polysiloxane can be
Liquid or highly viscous material, the viscosity under the conditions of 25 DEG C is preferably 103 to 108 square millimeters
/ the second.
3. a kind of flame-proof silicon rubber heat-shrinkable T bush according to claim 1 is it is characterised in that institute
State thermoretractile resin be thermoplastic silicone resin, polyethylene, polyvinyl chloride, vinyl acetate-ethylene copolymer,
The mixture of one or more of polymethyl methacrylate, polystyrene or polypropylene.
4. a kind of flame-proof silicon rubber heat-shrinkable T bush according to claim 1 is it is characterised in that institute
State white carbon specific surface area and be at least 50m2/g；Described white carbon is gas-phase silica or precipitation hard charcoal
The black or mixture of the two；Described white carbon is hydrophilic or hydrophobic silicic aerogels or the mixing of the two
Thing.
5. a kind of flame-proof silicon rubber heat-shrinkable T bush according to claim 1 is it is characterised in that institute
State the mixture that inert filler is one or more of titanium oxide, aluminum oxide, talcum powder, mica powder.
6. a kind of flame-proof silicon rubber heat-shrinkable T bush according to claim 1 is it is characterised in that institute
State fire retardant be aluminium hydroxide, Firebrake ZB, magnesium hydroxide, platinum complex, in phosphorus nitrogen compound one
Plant or several mixtures.
7. a kind of flame-proof silicon rubber heat-shrinkable T bush according to claim 1 is it is characterised in that institute
State curing agent for flame-retardant rubber composition is formed silicon rubber, described friendship by crosslinking curing
Connection curing mode is peroxide crosslinking, condensation cross-linking, addition-crosslinked；Preferably, using peroxidating
Thing includes dibenzoyl peroxide, peroxide as the curing agent in rubber composition, described curing agent
Change double (2,4 dichloro benzene formyl), cumyl peroxide and 2,5- bis(t-butylperoxy) -2,5-
Dimethylhexane and its mixture；Wherein preferably curing agent is that peroxidating is double (2,4 dichloro benzene formyl)
And 2,5-bis(t-butylperoxy)-2,5-dimethylhexane.
8. a kind of preparation method of flame-proof silicon rubber heat-shrinkable T bush it is characterised in that：Including dispensing, true
Empty batch mixing, vacuum kneading, mill, reinforce agent, extrusion molding, expansion sizing；
8.1st, dispensing, chooses polysiloxane, thermoplastic resin, hard charcoal according to formula composition material
Black, inert filler, fire retardant, according to the polysiloxane of technical recipe percentage of weight number, warm
Plastic resin, white carbon, inert filler, fire retardant are added in the charging basket of vacuum kneading machine；
8.2nd, Vacuum Mixture, closes vacuum kneading machine charging basket, opens vacuum, turn on agitator, to material
Material in bucket is mixed, and incorporation time is 10 30 minutes；
8.3rd, vacuum kneading, opens the heater of vacuum kneading machine, charging basket is heated, heating temperature
Degree scope is 165 DEG C ± 5 DEG C, vacuum -0.065MPa -0.1MPa, process time 45 minutes～
2 hours；
8.4th, composition, opens vacuum kneading machine charging basket, composition is taken the dish out of the pot, and natural cooling, cold
But the time is more than 2 hours；
8.5th, mill, the composition in step 4 is transferred in mill, opens mill to combination
Thing carries out mixed refining, and mixing time is 30 60 minutes；
8.6th, reinforce agent, in mill in steps of 5, add curing agent according to processing compound,
And continue to knead 30 60 minutes, obtain sizing material；
8.7th, extrusion molding, the sizing material being obtained is transferred in extruder, by extruder in step 6
And extrusion die, obtain silicone rubber sleeve；
8.8th, expansion sizing, the silicone rubber sleeve in step 7 is placed on expander, at high temperature
Shield silicone rubber sleeve, and in room temperature or be less than under room temperature condition, to the silicone rubber sleeve expanded
Carry out cooling and shaping, obtain the silicon rubber heat-shrinkable T bush with fire resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478300.5A CN106398225A (en) | 2015-08-03 | 2015-08-03 | Flame-retardant silicone rubber heat-shrinkable sleeve and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478300.5A CN106398225A (en) | 2015-08-03 | 2015-08-03 | Flame-retardant silicone rubber heat-shrinkable sleeve and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106398225A true CN106398225A (en) | 2017-02-15 |
Family
ID=58008082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510478300.5A Pending CN106398225A (en) | 2015-08-03 | 2015-08-03 | Flame-retardant silicone rubber heat-shrinkable sleeve and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106398225A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354882A (en) * | 2018-09-17 | 2019-02-19 | 苏州法思特新材料有限公司 | A kind of intrinsic flame-proof silicon rubber heat-shrinkable T bush and preparation method thereof |
| CN110612316A (en) * | 2017-05-11 | 2019-12-24 | 信越化学工业株式会社 | Self-fusing highly dielectric silicone rubber composition and self-fusing highly dielectric tape |
| CN113400665A (en) * | 2021-06-11 | 2021-09-17 | 上海达华药业有限公司 | Method for loading medicine core rod into tube |
| CN113831900A (en) * | 2021-10-25 | 2021-12-24 | 中国电子科技集团公司第三十三研究所 | High-viscosity thermal control material with heat recovery function and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967281A (en) * | 2010-05-06 | 2011-02-09 | 浙江新安化工集团股份有限公司 | Flame-retardant silicone rubber composition and preparation method thereof |
| CN102775619A (en) * | 2012-07-12 | 2012-11-14 | 中国恩菲工程技术有限公司 | Preparation method of peroxide vulcanized rubber |
| CN102775795A (en) * | 2012-07-12 | 2012-11-14 | 中国恩菲工程技术有限公司 | Peroxide vulcanized rubber |
| CN103601954A (en) * | 2013-11-11 | 2014-02-26 | 深圳市沃尔核材股份有限公司 | Flame-retardant ceramic composite material and preparation method thereof |
| CN104559194A (en) * | 2014-12-26 | 2015-04-29 | 安徽五信新材料有限公司 | Halogen-free flame-retardant hot vulcanized silicon rubber |
| CN104877350A (en) * | 2015-05-27 | 2015-09-02 | 华南理工大学 | Halogen-free flame retardant silicone rubber and preparation method and application thereof |
| CN105400198A (en) * | 2015-10-28 | 2016-03-16 | 北京国电富通科技发展有限责任公司 | Thermal-shrinking flame-retardant busbar tube and preparation method thereof |
-
2015
- 2015-08-03 CN CN201510478300.5A patent/CN106398225A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967281A (en) * | 2010-05-06 | 2011-02-09 | 浙江新安化工集团股份有限公司 | Flame-retardant silicone rubber composition and preparation method thereof |
| CN102775619A (en) * | 2012-07-12 | 2012-11-14 | 中国恩菲工程技术有限公司 | Preparation method of peroxide vulcanized rubber |
| CN102775795A (en) * | 2012-07-12 | 2012-11-14 | 中国恩菲工程技术有限公司 | Peroxide vulcanized rubber |
| CN103601954A (en) * | 2013-11-11 | 2014-02-26 | 深圳市沃尔核材股份有限公司 | Flame-retardant ceramic composite material and preparation method thereof |
| CN104559194A (en) * | 2014-12-26 | 2015-04-29 | 安徽五信新材料有限公司 | Halogen-free flame-retardant hot vulcanized silicon rubber |
| CN104877350A (en) * | 2015-05-27 | 2015-09-02 | 华南理工大学 | Halogen-free flame retardant silicone rubber and preparation method and application thereof |
| CN105400198A (en) * | 2015-10-28 | 2016-03-16 | 北京国电富通科技发展有限责任公司 | Thermal-shrinking flame-retardant busbar tube and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110612316A (en) * | 2017-05-11 | 2019-12-24 | 信越化学工业株式会社 | Self-fusing highly dielectric silicone rubber composition and self-fusing highly dielectric tape |
| CN109354882A (en) * | 2018-09-17 | 2019-02-19 | 苏州法思特新材料有限公司 | A kind of intrinsic flame-proof silicon rubber heat-shrinkable T bush and preparation method thereof |
| CN109354882B (en) * | 2018-09-17 | 2021-05-28 | 苏州沃尔兴电子科技有限公司 | Intrinsic flame-retardant silicone rubber heat-shrinkable tubing and preparation method thereof |
| CN113400665A (en) * | 2021-06-11 | 2021-09-17 | 上海达华药业有限公司 | Method for loading medicine core rod into tube |
| CN113831900A (en) * | 2021-10-25 | 2021-12-24 | 中国电子科技集团公司第三十三研究所 | High-viscosity thermal control material with heat recovery function and preparation method thereof |
| CN113831900B (en) * | 2021-10-25 | 2023-07-21 | 中国电子科技集团公司第三十三研究所 | High-viscosity thermal control material with heat recovery function and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101963926B1 (en) | Process for mixing polyvinyl chloride with a bio-based plasticizer | |
| CN104159978B (en) | Thermoplastic semiconductor composition | |
| CN106398225A (en) | Flame-retardant silicone rubber heat-shrinkable sleeve and preparation method thereof | |
| JP6437448B2 (en) | Compound of polyolefin cable compounds for improved foamability and improved processability | |
| CN108017826A (en) | A kind of flame-retardant polyethylene sheathing material and preparation method thereof | |
| US20090106876A1 (en) | Silicone Gloves | |
| CN104530542B (en) | Halogen-free aging-resistant strippable shielding material for rubber sleeve cable | |
| WO2013146704A1 (en) | Fluorine-containing elastomer composition, method for producing same, molded body, crosslinked product, and covered wire | |
| CN106589670A (en) | Hard PVC coloring master batch and preparation method thereof | |
| US4946883A (en) | Fluororubber compositions exhibiting improved workability and mechanical properties | |
| CN106046540A (en) | Novel optical cable outer sheath material and preparation method thereof | |
| CN106633397A (en) | Edible oil high-temperature swelling-resistant modified polypropylene material applied to household appliances and preparation method thereof | |
| TW201412855A (en) | Dynamic crosslinked modified heat-proof polyethylene material and preparation method and application thereof | |
| JP3009676B2 (en) | Manufacturing method of fluoro rubber molded product | |
| BR112020020675A2 (en) | FOAMED POLYOLEFINE COMPOSITIONS FOR WIRE AND CABLE COATING | |
| CN109054220A (en) | A kind of preparation method of environment-friendlyweather-proof weather-proof type high light transmission PVC pipeline | |
| CN107987370A (en) | A kind of high intensity rotational moulding polyethylene mixture and preparation method thereof | |
| JP5836076B2 (en) | Silicone rubber composition, method for producing the same, and masterbatch | |
| CN105802174B (en) | A kind of makrolon material and its preparation method and application | |
| CN105778228A (en) | Anti-abrasion composite cable material with enhanced tensile strength and preparing method thereof | |
| CN115612224B (en) | Polyvinyl chloride composite material and preparation method thereof | |
| CN105348633B (en) | A kind of low-smoke halogen-free polyolefin cable material and preparation method | |
| CN110283410A (en) | A kind of preparation method of Kynoar thermal contraction casing tube | |
| JP4491414B2 (en) | Polyvinyl chloride fiber, its production method and its use | |
| JPH11199739A (en) | Composite material of fluororubber-type thermoplastic elastomer and molding thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |
|
| WD01 | Invention patent application deemed withdrawn after publication |