CN107312265A - A kind of high temperature resistant polychloroethylene pipes - Google Patents
A kind of high temperature resistant polychloroethylene pipes Download PDFInfo
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- CN107312265A CN107312265A CN201710618677.5A CN201710618677A CN107312265A CN 107312265 A CN107312265 A CN 107312265A CN 201710618677 A CN201710618677 A CN 201710618677A CN 107312265 A CN107312265 A CN 107312265A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- C08L2205/03—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)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of high temperature resistant polychloroethylene pipes, its raw material includes by weight：40 50 parts of polyvinyl chloride, 15 24 parts of methyl vinyl silicone rubber, 1,3 pair of 12 parts of (tert-butyl peroxy isopropyl) benzene, 0.2 0.8 parts of 2 benzothiazole sulfenamide of N cyclohexyl, 12 parts of zinc oxide, 40 50 parts of packing strengthening agent, 13 parts of magnesia, 12 parts of carboxymethyl cellulose, 13 parts of age resistor, 12 parts of poly-metaphosphoric acid, 36 parts of plasticizer.High temperature resistant polychloroethylene pipes proposed by the present invention, possess heat resistant performance, can also have preferable physical property to keep in 230 DEG C of long-term uses, and at 280 DEG C, possess ultralow compression set, it is ensured that effective sealing can be reached during use.
Description
Technical field
The present invention relates to polyvinyl chloride technical field, more particularly to a kind of high temperature resistant polychloroethylene pipes.
Background technology
PVC is Polyvinylchlorid abbreviation, and pvc pipe Main Ingredients and Appearance is polyvinyl chloride, adds other compositions to increase
A kind of material of strong its heat resistance, toughness, ductility etc..It is it is deep in the world today liked, it is rather popular and also wide
A kind of synthetic material of general application.Its global usage amount is in second in various synthetic materials.Current pvc pipe heat-resisting quantity
Demand can be also can not meet, sealing is also in urgent need to be improved.
The content of the invention
The technical problem existed based on background technology, the present invention is proposed a kind of high temperature resistant polychloroethylene pipes, possesses resistance to
High temperature ageing performance, can also have preferable physical property to keep, possess ultralow pressure in 230 DEG C of long-term uses, and at 280 DEG C
Compression permanent deformation, it is ensured that effective sealing can be reached during use.
A kind of high temperature resistant polychloroethylene pipes proposed by the present invention, its raw material includes by weight：Polyvinyl chloride 40-50
Part, 15-24 parts of methyl vinyl silicone rubber, 1,3- double 1-2 parts of (tert-butyl peroxy isopropyl) benzene, N- cyclohexyl -2-[4-morpholinodithio
0.2-0.8 parts of sulfenamide, 1-2 parts of zinc oxide, 40-50 parts of packing strengthening agent, 1-3 parts of magnesia, carboxymethyl cellulose 1-2
Part, 1-3 parts of age resistor, 1-2 parts of poly-metaphosphoric acid, 3-6 parts of plasticizer.
Preferably, plasticizer includes by weight：1-2 parts of fatty alcohol, 1-2 parts of chlorinated paraffin, triethyl citrate 1-2
Part.
Preferably, packing strengthening agent includes by weight：20-40 parts of galapectite compound, 2-8 parts of winnofil is sliding
5-10 parts of stone flour, 1-4 parts of flyash, 1-2 parts of sepiolite powder, 1-2 parts of chelating titanate coupling agent.
Preferably, galapectite compound is prepared using following technique：By galapectite ultrasonic disperse in dimethyl sulfoxide (DMSO), plus
Enter N- carbonyl dimidazoles, heating stirring adds Amino End Group dimethyl silicone polymer and continues to stir, filtering, washing is done in neutrality
It is dry, add formalin, ammoniacal liquor and be well mixed, add in urea, perchloric acid oxidation's starch, temperature rising reflux, reflux course and add
Enter acetic acid, continue to stir, regulation system pH value is 7.1-7.4, continue stirring and obtain galapectite compound.
Preferably, galapectite compound is prepared using following technique：By galapectite ultrasonic disperse in dimethyl sulfoxide (DMSO), plus
Enter N- carbonyl dimidazoles, be warming up to 90-96 DEG C of stirring 2-4h, add Amino End Group dimethyl silicone polymer and continue to stir 40-
60min, filtering, washing is dried in neutrality, is added concentration and is well mixed for 30-32wt% formalin, ammoniacal liquor, plus
Enter urea, perchloric acid oxidation's starch, be warming up in 62-70 DEG C of backflow, reflux course and add acetic acid, continue to stir 15-20min,
Regulation system pH value is 7.1-7.4, continues to stir 2-4h, obtains galapectite compound.
Preferably, galapectite compound is prepared using following technique：40-60 parts of galapectite ultrasonic disperses are existed by weight
In 120-180 parts of dimethyl sulfoxide (DMSO)s, 2-6 parts of N- carbonyl dimidazoles are added, 90-96 DEG C of stirring 2-4h is warming up to, adds 2-4 parts of ends
Amino polydimethyl siloxane continues to stir 40-60min, and filtering, washing is dried in neutrality, adds 100-200 parts of concentration and is
30-32wt% formalin, 2-4 parts of ammoniacal liquor are well mixed, and add 5-12 parts of urea, 4-10 parts of perchloric acid oxidation's starch,
2-4 parts of acetic acid of addition in 62-70 DEG C of backflow, reflux course are warming up to, continue to stir 15-20min, regulation system pH value is 7.1-
7.4, continue to stir 2-4h, obtain galapectite compound.
The present invention possesses heat resistant performance, be able to can also have preferably in 230 DEG C of long-term uses, and at 280 DEG C
Physical property keep；Possesses ultralow compression set, it is ensured that effective sealing can be reached during use；Water can effectively be prevented
The intrusion of the dirts such as vapour, it is ensured that the stability of product, is installed while facilitate again.
The present invention is double (tert-butyl peroxy isopropyl) with 1,3- using polyvinyl chloride, methyl vinyl silicone rubber mating reaction
Benzene, N cyclohexyl 2 benzothiazole sulfenamide, zinc oxide are vulcanizing system, are not only crosslinked moderate, and high temperature degradation resistance
Can be good, damping effect is excellent；In galapectite compound, galapectite and urine can be made by the modification of Amino End Group dimethyl silicone polymer
Element, the good interface cohesion of perchloric acid oxidation's Starch formation, and due to part glucose C6 hydroxyls in perchloric acid oxidation's starch structure
Base is converted into aldehyde radical, and hemiacetal, acetal are formed under ammonia-catalyzed with formaldehyde, and the three-dimensional network knot of formation is connected after solidification
Structure, nano level hole distribution is more uniform, under the cooperation of chelating titanate coupling agent, with winnofil, talcum powder,
Flyash, sepiolite powder good dispersion, and combination degree is high, and after solidification crosslinking, water-tolerant, heat resistant performance enters one
Step enhancing, simultaneously because possessing special microcellular structure；Compression resilience of the present invention is good, and shock-absorbing performance is good, seal shock-proof effect
It is fabulous, coordinate chlorinated paraffin, triethyl citrate, fatty alcohol mating reaction, make the present invention that power be uniformly dispersed when being squeezed,
Not only anti-wear performance is further enhanced, and effectively closes vacant gap, and sealing effectiveness is further enhanced.
High temperature resistant polychloroethylene pipes obtained by the present invention are subjected to performance test：Its Mohs' hardness is 17 degree, breaking strength
More than 12Mpa, elongation at break is more than 240%, and compression ratio is less than 35%；450 DEG C of hot blasts bake 2h, and its compressive resistance is 240
Degree, rupture strength is 64 degree, and wear extent is 2.8g/cm3。
Compared with pvc pipe of the prior art, bending strength of the invention adds nearly 3 times, and compressive resistance adds nearly 2
Times, more than 1500h can be run at a temperature of 250 DEG C.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of high temperature resistant polychloroethylene pipes, its raw material includes by weight：40 parts of polyvinyl chloride, methyl ethylene silicon rubber
24 parts of glue, 1,3- double 1 part of (tert-butyl peroxy isopropyl) benzene, 0.8 part of N cyclohexyl 2 benzothiazole sulfenamide, zinc oxide 1
Part, 50 parts of packing strengthening agent, 1 part of magnesia, 2 parts of carboxymethyl cellulose, 1 part of age resistor, 2 parts of poly-metaphosphoric acid, 3 parts of plasticizer.
Embodiment 2
A kind of high temperature resistant polychloroethylene pipes, its raw material includes by weight：50 parts of polyvinyl chloride, methyl ethylene silicon rubber
15 parts of glue, 1,3- double 2 parts of (tert-butyl peroxy isopropyl) benzene, 0.2 part of N cyclohexyl 2 benzothiazole sulfenamide, zinc oxide 2
Part, 40 parts of packing strengthening agent, 3 parts of magnesia, 1 part of carboxymethyl cellulose, 3 parts of age resistor, 1 part of poly-metaphosphoric acid, 6 parts of plasticizer.
Plasticizer includes by weight：1 part of fatty alcohol, 2 parts of chlorinated paraffin, 1 part of triethyl citrate.Packing strengthening agent is pressed
Parts by weight include：40 parts of galapectite compound, 2 parts of winnofil, 10 parts of talcum powder, 1 part of flyash, 2 parts of sepiolite powder, chela
1 part of mould assembly titanate coupling agent.
Galapectite compound is prepared using following technique：By galapectite ultrasonic disperse in dimethyl sulfoxide (DMSO), N- carbonyls are added
Base diimidazole, heating stirring adds Amino End Group dimethyl silicone polymer and continues to stir, filtering, washing is dried in neutrality, plus
Enter formalin, ammoniacal liquor to be well mixed, add in urea, perchloric acid oxidation's starch, temperature rising reflux, reflux course and add second
Acid, continues to stir, and regulation system pH value is 7.1-7.4, continues stirring and obtains galapectite compound.
Embodiment 3
A kind of high temperature resistant polychloroethylene pipes, its raw material includes by weight：42 parts of polyvinyl chloride, methyl ethylene silicon rubber
22 parts of glue, 1,3- double 1.2 parts of (tert-butyl peroxy isopropyl) benzene, 0.6 part of N cyclohexyl 2 benzothiazole sulfenamide, zinc oxide
1.2 parts, 48 parts of packing strengthening agent, 1.5 parts of magnesia, 1.8 parts of carboxymethyl cellulose, 1.5 parts of age resistor, 1.8 parts of poly-metaphosphoric acid,
4 parts of plasticizer.
Plasticizer includes by weight：2 parts of fatty alcohol, 1 part of chlorinated paraffin, 2 parts of triethyl citrate.Packing strengthening agent is pressed
Parts by weight include：20 parts of galapectite compound, 8 parts of winnofil, 5 parts of talcum powder, 4 parts of flyash, 1 part of sepiolite powder, chela
2 parts of mould assembly titanate coupling agent.
Galapectite compound is prepared using following technique：By galapectite ultrasonic disperse in dimethyl sulfoxide (DMSO), N- carbonyls are added
Base diimidazole, is warming up to 93 DEG C of stirring 3h, adds Amino End Group dimethyl silicone polymer and continues to stir 50min, filtering, and washing is to being in
Neutrality, is dried, and is added concentration and is well mixed for 31wt% formalin, ammoniacal liquor, adds urea, perchloric acid oxidation's starch,
It is warming up in 66 DEG C of backflows, reflux course and adds acetic acid, continues to stir 18min, regulation system pH value is 7.1-7.4, continues to stir
3h is mixed, galapectite compound is obtained.
Embodiment 4
A kind of high temperature resistant polychloroethylene pipes, its raw material includes by weight：48 parts of polyvinyl chloride, methyl ethylene silicon rubber
18 parts of glue, 1,3- double 1.8 parts of (tert-butyl peroxy isopropyl) benzene, 0.4 part of N cyclohexyl 2 benzothiazole sulfenamide, zinc oxide
1.8 parts, 42 parts of packing strengthening agent, 2.5 parts of magnesia, 1.2 parts of carboxymethyl cellulose, 2.5 parts of age resistor, 1.2 parts of poly-metaphosphoric acid,
5 parts of plasticizer.
Plasticizer includes by weight：1.2 parts of fatty alcohol, 1.8 parts of chlorinated paraffin, 1.2 parts of triethyl citrate.Filling is mended
Strong agent includes by weight：35 parts of galapectite compound, 4 parts of winnofil, 8 parts of talcum powder, 2 parts of flyash, sepiolite powder
1.8 parts, 1.2 parts of chelating titanate coupling agent.
Galapectite compound is prepared using following technique：By weight by 40 parts of galapectite ultrasonic disperses in 180 parts of diformazans
In base sulfoxide, 2 parts of N- carbonyl dimidazoles are added, 96 DEG C of stirring 2h is warming up to, adds 2 parts of Amino End Group dimethyl silicone polymers and continue
60min is stirred, filtering, washing is dried in neutrality, add 100 parts of concentration and mixed for 32wt% formalin, 2 parts of ammoniacal liquor
Close uniform, add 12 parts of urea, 4 parts of perchloric acid oxidation's starch, be warming up to 2 parts of acetic acid of addition in 70 DEG C of backflows, reflux course, after
Continuous stirring 20min, regulation system pH value is 7.1-7.4, continues to stir 2h, obtains galapectite compound.
Embodiment 5
A kind of high temperature resistant polychloroethylene pipes, its raw material includes by weight：45 parts of polyvinyl chloride, methyl ethylene silicon rubber
20 parts of glue, 1,3- double 1.5 parts of (tert-butyl peroxy isopropyl) benzene, 0.5 part of N cyclohexyl 2 benzothiazole sulfenamide, zinc oxide
1.5 parts, 45 parts of packing strengthening agent, 2 parts of magnesia, 1.5 parts of carboxymethyl cellulose, 2 parts of age resistor, 1.5 parts of poly-metaphosphoric acid, plasticising
4.5 parts of agent.
Plasticizer includes by weight：1.8 parts of fatty alcohol, 1.2 parts of chlorinated paraffin, 1.8 parts of triethyl citrate.Filling is mended
Strong agent includes by weight：25 parts of galapectite compound, 6 parts of winnofil, 6 parts of talcum powder, 3 parts of flyash, sepiolite powder
1.2 parts, 1.8 parts of chelating titanate coupling agent.
Galapectite compound is prepared using following technique：By weight by 60 parts of galapectite ultrasonic disperses in 120 parts of diformazans
In base sulfoxide, 6 parts of N- carbonyl dimidazoles are added, 90 DEG C of stirring 4h is warming up to, adds 4 parts of Amino End Group dimethyl silicone polymers and continue
40min is stirred, filtering, washing is dried in neutrality, add 200 parts of concentration and mixed for 30wt% formalin, 4 parts of ammoniacal liquor
Close uniform, add 5 parts of urea, 10 parts of perchloric acid oxidation's starch, be warming up to 4 parts of acetic acid of addition in 62 DEG C of backflows, reflux course, after
Continuous stirring 15min, regulation system pH value is 7.1-7.4, continues to stir 4h, obtains galapectite compound.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of high temperature resistant polychloroethylene pipes, it is characterised in that its raw material includes by weight：40-50 parts of polyvinyl chloride, first
15-24 parts of base vinylsiloxane rubber, 1,3- double 1-2 parts of (tert-butyl peroxy isopropyl) benzene, N- cyclohexyl -2-[4-morpholinodithio time sulphonyl
0.2-0.8 parts of amine, 1-2 parts of zinc oxide, 40-50 parts of packing strengthening agent, 1-3 parts of magnesia, 1-2 parts of carboxymethyl cellulose prevents old
1-3 parts of agent, 1-2 parts of poly-metaphosphoric acid, 3-6 parts of plasticizer.
2. high temperature resistant polychloroethylene pipes according to claim 1, it is characterised in that plasticizer includes by weight：Fat
1-2 parts of alcohol, 1-2 parts of chlorinated paraffin, 1-2 parts of triethyl citrate.
3. high temperature resistant polychloroethylene pipes according to claim 1 or claim 2, it is characterised in that packing strengthening agent is wrapped by weight
Include：20-40 parts of galapectite compound, 2-8 parts of winnofil, 5-10 parts of talcum powder, 1-4 parts of flyash, sepiolite powder 1-2
Part, 1-2 parts of chelating titanate coupling agent.
4. high temperature resistant polychloroethylene pipes according to claim 3, it is characterised in that galapectite compound uses following technique
Prepare：By galapectite ultrasonic disperse in dimethyl sulfoxide (DMSO), N- carbonyl dimidazoles are added, heating stirring adds Amino End Group poly- two
Methylsiloxane continues to stir, filtering, and washing is dried in neutrality, adds formalin, ammoniacal liquor and is well mixed, adds urine
Acetic acid is added in element, perchloric acid oxidation's starch, temperature rising reflux, reflux course, continues to stir, regulation system pH value is 7.1-7.4,
Continue stirring and obtain galapectite compound.
5. according to any one of the claim 3-4 high temperature resistant polychloroethylene pipes, it is characterised in that galapectite compound is used
It is prepared by following technique：By galapectite ultrasonic disperse in dimethyl sulfoxide (DMSO), N- carbonyl dimidazoles are added, 90-96 DEG C is warming up to and stirs
2-4h is mixed, Amino End Group dimethyl silicone polymer is added and continues to stir 40-60min, filtering, washing is dried in neutrality, added dense
Spend the formalin for 30-32wt%, ammoniacal liquor to be well mixed, add urea, perchloric acid oxidation's starch, be warming up to 62-70 DEG C
Acetic acid is added in backflow, reflux course, continues to stir 15-20min, regulation system pH value is 7.1-7.4, continues to stir 2-4h,
Obtain galapectite compound.
6. according to any one of the claim 3-5 high temperature resistant polychloroethylene pipes, it is characterised in that galapectite compound is used
It is prepared by following technique：By weight by 40-60 parts of galapectite ultrasonic disperses in 120-180 parts of dimethyl sulfoxide (DMSO)s, 2-6 parts are added
N- carbonyl dimidazoles, are warming up to 90-96 DEG C of stirring 2-4h, add 2-4 parts of Amino End Group dimethyl silicone polymers and continue to stir 40-
60min, filtering, washing is dried in neutrality, adds formalin, 2-4 parts of ammonia that 100-200 parts of concentration are 30-32wt%
Water is well mixed, and adds 5-12 parts of urea, 4-10 parts of perchloric acid oxidation's starch, is warming up in 62-70 DEG C of backflow, reflux course and is added
Enter 2-4 parts of acetic acid, continue to stir 15-20min, regulation system pH value is 7.1-7.4, continues to stir 2-4h, obtains galapectite and answers
Compound.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618677.5A CN107312265A (en) | 2017-07-26 | 2017-07-26 | A kind of high temperature resistant polychloroethylene pipes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710618677.5A CN107312265A (en) | 2017-07-26 | 2017-07-26 | A kind of high temperature resistant polychloroethylene pipes |
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| CN107312265A true CN107312265A (en) | 2017-11-03 |
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| CN201710618677.5A Pending CN107312265A (en) | 2017-07-26 | 2017-07-26 | A kind of high temperature resistant polychloroethylene pipes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964190A (en) * | 2017-12-15 | 2018-04-27 | 安徽海丰新材料科技有限公司 | A kind of PVC hot blast pipes formula |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412834A (en) * | 2008-11-12 | 2009-04-22 | 江苏三角洲塑化有限公司 | High temperature resistant environment-protective polychloroethylene material for electric wire and cable |
| CN104250388A (en) * | 2013-06-28 | 2014-12-31 | 中国石油化工股份有限公司 | Flame retardant NBR (nitrile-butadiene rubber)/CPVC (chlorinated polyvinyl chloride) plastic foaming thermal-insulation material composition |
| CN104961998A (en) * | 2015-06-18 | 2015-10-07 | 安徽正石新型建材有限公司 | Impact-resistant high-tenacity PVC pipe |
| CN105670173A (en) * | 2016-03-02 | 2016-06-15 | 安徽蓝通科技股份有限公司 | Oil-proof anti-static polyvinyl chloride pipe |
| CN105733128A (en) * | 2016-03-02 | 2016-07-06 | 安徽蓝通科技股份有限公司 | Anti-impact anti-static modified polyvinyl chloride pipe |
| CN106633542A (en) * | 2016-12-27 | 2017-05-10 | 安徽亚兰密封件有限公司 | Damping sealing element for motor |
-
2017
- 2017-07-26 CN CN201710618677.5A patent/CN107312265A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412834A (en) * | 2008-11-12 | 2009-04-22 | 江苏三角洲塑化有限公司 | High temperature resistant environment-protective polychloroethylene material for electric wire and cable |
| CN104250388A (en) * | 2013-06-28 | 2014-12-31 | 中国石油化工股份有限公司 | Flame retardant NBR (nitrile-butadiene rubber)/CPVC (chlorinated polyvinyl chloride) plastic foaming thermal-insulation material composition |
| CN104961998A (en) * | 2015-06-18 | 2015-10-07 | 安徽正石新型建材有限公司 | Impact-resistant high-tenacity PVC pipe |
| CN105670173A (en) * | 2016-03-02 | 2016-06-15 | 安徽蓝通科技股份有限公司 | Oil-proof anti-static polyvinyl chloride pipe |
| CN105733128A (en) * | 2016-03-02 | 2016-07-06 | 安徽蓝通科技股份有限公司 | Anti-impact anti-static modified polyvinyl chloride pipe |
| CN106633542A (en) * | 2016-12-27 | 2017-05-10 | 安徽亚兰密封件有限公司 | Damping sealing element for motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964190A (en) * | 2017-12-15 | 2018-04-27 | 安徽海丰新材料科技有限公司 | A kind of PVC hot blast pipes formula |
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Application publication date: 20171103 |