CN109553830A - A kind of preparation method of stretch-proof pipeline valve gasket seal - Google Patents

A kind of preparation method of stretch-proof pipeline valve gasket seal Download PDF

Info

Publication number
CN109553830A
CN109553830A CN201811489435.1A CN201811489435A CN109553830A CN 109553830 A CN109553830 A CN 109553830A CN 201811489435 A CN201811489435 A CN 201811489435A CN 109553830 A CN109553830 A CN 109553830A
Authority
CN
China
Prior art keywords
stretch
pipeline valve
valve gasket
proof pipeline
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811489435.1A
Other languages
Chinese (zh)
Inventor
胡启明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Rongda Valve Co Ltd
Original Assignee
Anhui Rongda Valve Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Rongda Valve Co Ltd filed Critical Anhui Rongda Valve Co Ltd
Priority to CN201811489435.1A priority Critical patent/CN109553830A/en
Publication of CN109553830A publication Critical patent/CN109553830A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L11/00Compositions of homopolymers or copolymers of chloroprene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L29/00Compositions 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 an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/02Homopolymers or copolymers of unsaturated alcohols
    • C08L29/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/14Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Material Composition (AREA)

Abstract

The invention discloses a kind of preparation methods of stretch-proof pipeline valve gasket seal; include the following steps: for polyvinyl alcohol, alkyd resin, microcrystalline wax, dibenzoyl peroxide to be uniformly mixed; acrylic emulsion is added under stirring thereto; polyetheramine D230, the stirring of three-(dimethylamino methyl) phenol is added; cooling; it dry, pulverize to obtain prefabricated material;By neoprene, metallocene PE, prefabricated material, vaseline, disproportionated rosin, epoxidized soybean oil, titanate coupling agent, powdered whiting, graphene oxide, calcium-base bentonite, tridecyl phosphite, ultraviolet absorbing agent UV-360, magnesium stearate, 1,1- it is bis--(t-butyl peroxy) hexamethylene, diethylamine be kneaded to obtain glue stuff compounding;Glue stuff compounding is sent into double screw extruder to squeeze out, dry, injection molding obtains stretch-proof pipeline valve gasket seal.

Description

A kind of preparation method of stretch-proof pipeline valve gasket seal
Technical field
The present invention relates to gasket seal technical field more particularly to a kind of preparations of stretch-proof pipeline valve gasket seal Method.
Background technique
Valve is common standard component in pipe fitting connection, controls the circulation of two or more root canal roads, plays and shut off and lead The effect of stream, existing valve mechanism is simple, and the gap being used for a long time between back valve core and valve body is increasing, leakproofness drop It is low, the leakage of liquid in pipeline is caused, adds gasket seal between valve spool of valve and valve body often at present to enhance leakproofness Can, this is also to the more demanding of gasket seal, but these current gasket seals are in tensile strength, thermal stability and fire-retardant Property aspect, it is still undesirable, there is very big further improved space.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of stretch-proof pipeline valve gasket seals Preparation method, gained gasket seal is fire-retardant and thermal stability is good, and excellent in mechanical performance.
A kind of preparation method of stretch-proof pipeline valve gasket seal proposed by the present invention, includes the following steps:
S1, polyvinyl alcohol, alkyd resin, microcrystalline wax, dibenzoyl peroxide are uniformly mixed, to it under stirring Middle addition acrylic emulsion, is added polyetheramine D230, the stirring of three-(dimethylamino methyl) phenol, and cooling dry, pulverize to obtain Prefabricated material;
It is S2, neoprene, metallocene PE, prefabricated material, vaseline, disproportionated rosin, epoxidized soybean oil, titanate esters are even Join agent, powdered whiting, graphene oxide, calcium-base bentonite, tridecyl phosphite, ultraviolet absorbing agent UV-360, stearic acid Magnesium, 1,1- be bis--and (t-butyl peroxy) hexamethylene, diethylamine be kneaded to obtain glue stuff compounding;
S3, it glue stuff compounding is sent into double screw extruder squeezes out, dry, injection molding obtains stretch-proof pipeline valve with close Gasket.
Preferably, in S1, acrylic emulsion solid content is 50-54%.
Preferably, in S1, polyvinyl alcohol, alkyd resin, microcrystalline wax, dibenzoyl peroxide, acrylic emulsion, polyethers Amine D230, three-(dimethylamino methyl) phenol weight ratio be 60-100:20-40:10-20:2-4:6-14:0.6-1.2: 0.2-0.6。
Preferably, in S1, polyvinyl alcohol, alkyd resin, microcrystalline wax, dibenzoyl peroxide are uniformly mixed, stirred Acrylic emulsion is added under state thereto, whipping temp is 125-135 DEG C, and polyetheramine D230, three-(dimethylamino first is added Base) phenol stirring 4-8h, whipping temp is 96-100 DEG C, and cooling dry, pulverize to obtain prefabricated material.
Preferably, in S2, neoprene, metallocene PE, prefabricated material, vaseline, disproportionated rosin, epoxidized soybean oil, Titanate coupling agent, powdered whiting, graphene oxide, calcium-base bentonite, tridecyl phosphite, ultraviolet absorbing agent UV- 360, magnesium stearate, 1,1- it is bis--(t-butyl peroxy) hexamethylene, diethylamine weight ratio be 60-80:30-50:3-5:2-4:1- 2:0.4-1.6:0.8-1.4:25-35:20-30:10-20:0.8-1.6:2-3:3-5:2-2. 8:1.5-2.5.
Preferably, in S2, mixing time 10-20min, melting temperature is 40-50 DEG C.
Preferably, in S3, the temperature of each section of double screw extruder is followed successively by 180-190 DEG C, 205-210 DEG C, 215-220 DEG C, 200-206 DEG C, 220-230 DEG C, head temperature be 200-204 DEG C, screw speed 200-300r/min.
Preferably, in S3, drying temperature is 80-88 DEG C, drying time 4-10h.
Preferably, in S3, injection molding temperature is 200-230 DEG C.
In S1 of the present invention, alkyd resin is high with the degree of scatter of polyvinyl alcohol under the cooperation of microcrystalline wax, by third After olefin(e) acid grafting, dispersion effect can be improved, then handed under polyetheramine D230, the effect of three-(dimethylamino methyl) phenol Connection reaction, forms network structure, and thermal stability is good;In S2, acted on using prefabricated material cooperation neoprene, metallocene PE, Under titanate coupling agent auxiliary, mutual combination degree is high, can make this hair under the conditions of guaranteeing that toughness and hardness are preferable It is bright it is heat-resisting, flame retardant property is more excellent, while using prefabricated material, vaseline, disproportionated rosin, epoxidized soybean oil synergistic effect, can Flexibility, the impact resistance of significant reinforced sheath, using 1,1- it is bis--(t-butyl peroxy) hexamethylene and diethylamine be as vulcanizing Agent, vulcanization effect is good, while guaranteeing that physical mechanical property is good, enhances the ageing-resistant of reinforced sheath, toughness and hardness, into One step and tridecyl phosphite, ultraviolet absorbing agent UV-360 collective effect are reinforced ageing-resistant performance and are further enhanced.
The present invention is at low cost, has excellent physical mechanical property, and tensile strength is high, and elongation at break is high, makes gasket Piece can bear greater impact injury, and have the characteristics that high fire-retardance, resistant to high temperature, not easy to crack, long service life.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of stretch-proof pipeline valve gasket seal, includes the following steps:
S1,60kg polyvinyl alcohol, 40kg alkyd resin, 10kg microcrystalline wax, 4kg dibenzoyl peroxide are mixed Even, it is 54% acrylic emulsion that 6kg solid content is added under stirring thereto, and whipping temp is 125 DEG C, and it is poly- that 1.2kg is added Ether amines D230,0.2kg tri--(dimethylamino methyl) phenol stirs 8h, and whipping temp is 96 DEG C, and cooling dry, pulverize to obtain pre- System material;
S2, by 80kg neoprene, 30kg metallocene PE, the prefabricated material of 5kg, 2kg vaseline, 2kg disproportionated rosin, 0.4kg epoxidized soybean oil, 1.4kg titanate coupling agent, 25kg powdered whiting, 30kg graphene oxide, 10kg calcium base swelling Soil, 1.6kg tridecyl phosphite, 2kg ultraviolet absorbing agent UV-360,5kg magnesium stearate, 2kg1,1- be bis--and (t-butyl peroxy) Hexamethylene, 2.5kg diethylamine are kneaded 10min, and melting temperature is 50 DEG C, obtain glue stuff compounding;
S3, by glue stuff compounding be sent into double screw extruder squeeze out, the temperature of each section of double screw extruder be followed successively by 180 DEG C, 210 DEG C, 215 DEG C, 206 DEG C, 220 DEG C, head temperature are 204 DEG C, screw speed 200r/min, 88 DEG C of dry 4h, 230 DEG C of notes The type of being moulded into obtains stretch-proof pipeline valve gasket seal.
Embodiment 2
A kind of preparation method of stretch-proof pipeline valve gasket seal, includes the following steps:
S1,100kg polyvinyl alcohol, 20kg alkyd resin, 20kg microcrystalline wax, 2kg dibenzoyl peroxide are mixed Even, it is 50% acrylic emulsion that 14kg solid content is added under stirring thereto, and whipping temp is 135 DEG C, and it is poly- that 0.6kg is added Ether amines D230,0.6kg tri--(dimethylamino methyl) phenol stirs 4h, and whipping temp is 100 DEG C, and cooling dry, pulverize to obtain Prefabricated material;
S2, by 60kg neoprene, 50kg metallocene PE, the prefabricated material of 3kg, 4kg vaseline, 1kg disproportionated rosin, 1.6kg epoxidized soybean oil, 0.8kg titanate coupling agent, 35kg powdered whiting, 20kg graphene oxide, 20kg calcium base swelling Soil, 0.8kg tridecyl phosphite, 3kg ultraviolet absorbing agent UV-360,3kg magnesium stearate, 2.8kg1,1- be bis--(tert-butyl mistake Oxygen) hexamethylene, 1.5kg diethylamine mixing 20min, melting temperature is 40 DEG C, obtains glue stuff compounding;
S3, by glue stuff compounding be sent into double screw extruder squeeze out, the temperature of each section of double screw extruder be followed successively by 190 DEG C, 205 DEG C, 220 DEG C, 200 DEG C, 230 DEG C, head temperature are 200 DEG C, screw speed 300r/min, 80 DEG C of dry 10h, 200 DEG C Injection molding obtains stretch-proof pipeline valve gasket seal.
Embodiment 3
A kind of preparation method of stretch-proof pipeline valve gasket seal, includes the following steps:
S1,70kg polyvinyl alcohol, 35kg alkyd resin, 12kg microcrystalline wax, 3.5kg dibenzoyl peroxide are mixed Even, it is 53% acrylic emulsion that 8kg solid content is added under stirring thereto, and whipping temp is 128 DEG C, and 1kg polyethers is added Amine D230,0.3kg tri--(dimethylamino methyl) phenol stir 7h, and whipping temp is 97 DEG C, and cooling dry, pulverize to obtain prefabricated Material;
S2,75kg neoprene, 35kg metallocene PE, the prefabricated material of 4.5kg, 2.5kg vaseline, 1.7kg are disproportionated Rosin, 0.6kg epoxidized soybean oil, 1.2kg titanate coupling agent, 28kg powdered whiting, 28kg graphene oxide, 13kg calcium base Bentonite, 1.4kg tridecyl phosphite, 2.3kg ultraviolet absorbing agent UV-360,4.5kg magnesium stearate, 2.2kg1,1- be bis-- (t-butyl peroxy) hexamethylene, 2.2kg diethylamine are kneaded 12min, and melting temperature is 47 DEG C, obtain glue stuff compounding;
S3, by glue stuff compounding be sent into double screw extruder squeeze out, the temperature of each section of double screw extruder be followed successively by 182 DEG C, 208 DEG C, 216 DEG C, 204 DEG C, 222 DEG C, head temperature are 203 DEG C, screw speed 220r/min, 86 DEG C of dry 6h, 220 DEG C of notes The type of being moulded into obtains stretch-proof pipeline valve gasket seal.
Embodiment 4
A kind of preparation method of stretch-proof pipeline valve gasket seal, includes the following steps:
S1,90kg polyvinyl alcohol, 25kg alkyd resin, 18kg microcrystalline wax, 2.5kg dibenzoyl peroxide are mixed Even, it is 51% acrylic emulsion that 12kg solid content is added under stirring thereto, and whipping temp is 132 DEG C, and it is poly- that 0.8kg is added Ether amines D230,0.5kg tri--(dimethylamino methyl) phenol stirs 5h, and whipping temp is 99 DEG C, and cooling dry, pulverize to obtain pre- System material;
S2,65kg neoprene, 45kg metallocene PE, the prefabricated material of 3.5kg, 3.5kg vaseline, 1.3kg are disproportionated Rosin, 1.4kg epoxidized soybean oil, 1kg titanate coupling agent, 32kg powdered whiting, 22kg graphene oxide, 17kg calcium base are swollen Moisten soil, 1kg tridecyl phosphite, 2.7kg ultraviolet absorbing agent UV-360,3.5kg magnesium stearate, 2.6kg1,1- it is bis--(tertiary fourth Base peroxide) hexamethylene, 1.8kg diethylamine mixing 18min, melting temperature is 43 DEG C, obtains glue stuff compounding;
S3, by glue stuff compounding be sent into double screw extruder squeeze out, the temperature of each section of double screw extruder be followed successively by 188 DEG C, 206 DEG C, 218 DEG C, 202 DEG C, 228 DEG C, head temperature are 201 DEG C, screw speed 280r/min, 82 DEG C of dry 8h, 210 DEG C of notes The type of being moulded into obtains stretch-proof pipeline valve gasket seal.
Embodiment 5
A kind of preparation method of stretch-proof pipeline valve gasket seal, includes the following steps:
S1,80kg polyvinyl alcohol, 30kg alkyd resin, 15kg microcrystalline wax, 3kg dibenzoyl peroxide are mixed Even, it is 52% acrylic emulsion that 10kg solid content is added under stirring thereto, and whipping temp is 130 DEG C, and it is poly- that 0.9kg is added Ether amines D230,0.4kg tri--(dimethylamino methyl) phenol stirs 6h, and whipping temp is 98 DEG C, and cooling dry, pulverize to obtain pre- System material;
S2, by 70kg neoprene, 40kg metallocene PE, the prefabricated material of 4kg, 3kg vaseline, 1.5kg disproportionated rosin, 1kg epoxidized soybean oil, 1.1kg titanate coupling agent, 30kg powdered whiting, 25kg graphene oxide, 15kg calcium-base bentonite, 1.2kg tridecyl phosphite, 2.5kg ultraviolet absorbing agent UV-360,4kg magnesium stearate, 2.4kg1,1- be bis--(tert-butyl mistake Oxygen) hexamethylene, 2kg diethylamine mixing 15min, melting temperature is 45 DEG C, obtains glue stuff compounding;
S3, by glue stuff compounding be sent into double screw extruder squeeze out, the temperature of each section of double screw extruder be followed successively by 185 DEG C, 207 DEG C, 217 DEG C, 203 DEG C, 225 DEG C, head temperature are 202 DEG C, screw speed 250r/min, 84 DEG C of dry 7h, 215 DEG C of notes The type of being moulded into obtains stretch-proof pipeline valve gasket seal.
The tensile strength of 5 gained stretch-proof pipeline valve gasket seal of embodiment is 32Mpa, and elongation at break is 780%, oxygen index (OI) 38, flame retardant property reaches A grades, has both the strong feature of significant intensity high flame resistance, has significant Economic benefit and environmental benefit.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (9)

1. a kind of preparation method of stretch-proof pipeline valve gasket seal, which comprises the steps of:
S1, polyvinyl alcohol, alkyd resin, microcrystalline wax, dibenzoyl peroxide are uniformly mixed, are added thereto under stirring Enter acrylic emulsion, polyetheramine D230, the stirring of three-(dimethylamino methyl) phenol is added, cooling dry, pulverize to obtain prefabricated Material;
S2, neoprene, metallocene PE, prefabricated material, vaseline, disproportionated rosin, epoxidized soybean oil, titanate esters are coupled Agent, powdered whiting, graphene oxide, calcium-base bentonite, tridecyl phosphite, ultraviolet absorbing agent UV-360, magnesium stearate, 1,1- is bis--and (t-butyl peroxy) hexamethylene, diethylamine be kneaded to obtain glue stuff compounding;
S3, glue stuff compounding is sent into double screw extruder extrusion, dry, injection molding obtains stretch-proof pipeline valve gasket Piece.
2. the preparation method of stretch-proof pipeline valve gasket seal according to claim 1, which is characterized in that in S1, third Olefin(e) acid emulsion solid content is 50-54%.
3. the preparation method of stretch-proof pipeline valve gasket seal according to claim 1 or claim 2, which is characterized in that in S1, Polyvinyl alcohol, alkyd resin, microcrystalline wax, dibenzoyl peroxide, acrylic emulsion, polyetheramine D230, three-(dimethylamino Methyl) phenol weight ratio be 60-100:20-40:10-20:2-4:6-14:0.6-1.2:0.2-0.6.
4. the preparation method of any one of -3 stretch-proof pipeline valve gasket seals according to claim 1, which is characterized in that In S1, polyvinyl alcohol, alkyd resin, microcrystalline wax, dibenzoyl peroxide are uniformly mixed, are added thereto under stirring Acrylic emulsion, whipping temp are 125-135 DEG C, and polyetheramine D230, three-(dimethylamino methyl) phenol stirring 4-8h is added, Whipping temp is 96-100 DEG C, and cooling dry, pulverize to obtain prefabricated material.
5. the preparation method of any one of -4 stretch-proof pipeline valve gasket seals according to claim 1, which is characterized in that In S2, neoprene, metallocene PE, prefabricated material, vaseline, disproportionated rosin, epoxidized soybean oil, titanate coupling agent, again Matter calcium carbonate, graphene oxide, calcium-base bentonite, tridecyl phosphite, ultraviolet absorbing agent UV-360, magnesium stearate, 1,1- Double-(t-butyl peroxy) hexamethylene, diethylamine weight ratio be 60-80:30-50:3-5:2-4:1-2:0.4-1.6:0.8- 1.4:25-35:20-30:10-20:0.8-1.6:2-3:3-5:2-2.8:1.5-2.5.
6. the preparation method of any one of -5 stretch-proof pipeline valve gasket seals according to claim 1, which is characterized in that In S2, mixing time 10-20min, melting temperature is 40-50 DEG C.
7. the preparation method of any one of -6 stretch-proof pipeline valve gasket seals according to claim 1, which is characterized in that In S3, the temperature of each section of double screw extruder is followed successively by 180-190 DEG C, 205-210 DEG C, 215-220 DEG C, 200-206 DEG C, 220- 230 DEG C, head temperature is 200-204 DEG C, screw speed 200-300r/min.
8. the preparation method of any one of -7 stretch-proof pipeline valve gasket seals according to claim 1, which is characterized in that In S3, drying temperature is 80-88 DEG C, drying time 4-10h.
9. the preparation method of any one of -8 stretch-proof pipeline valve gasket seals according to claim 1, which is characterized in that In S3, injection molding temperature is 200-230 DEG C.
CN201811489435.1A 2018-12-06 2018-12-06 A kind of preparation method of stretch-proof pipeline valve gasket seal Pending CN109553830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811489435.1A CN109553830A (en) 2018-12-06 2018-12-06 A kind of preparation method of stretch-proof pipeline valve gasket seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811489435.1A CN109553830A (en) 2018-12-06 2018-12-06 A kind of preparation method of stretch-proof pipeline valve gasket seal

Publications (1)

Publication Number Publication Date
CN109553830A true CN109553830A (en) 2019-04-02

Family

ID=65869401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811489435.1A Pending CN109553830A (en) 2018-12-06 2018-12-06 A kind of preparation method of stretch-proof pipeline valve gasket seal

Country Status (1)

Country Link
CN (1) CN109553830A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592607A (en) * 2015-01-30 2015-05-06 柳州市颖航汽配有限公司 Anti-fatigue and antioxidant rubber material for sealing automobile hydraulic system and preparation method of anti-fatigue and antioxidant rubber material
CN106047139A (en) * 2016-07-01 2016-10-26 太仓市金新涂料有限公司 Environment-friendly wear-proof two-component plastic cement paint and preparation method thereof
CN107383766A (en) * 2017-08-31 2017-11-24 安徽华海特种电缆集团有限公司 A kind of high-temperature-resistant, tensile controls CABLE MATERIALS
CN107698833A (en) * 2017-09-06 2018-02-16 安徽铖友汽车零部件制造有限公司 A kind of auto glass sealer bar

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592607A (en) * 2015-01-30 2015-05-06 柳州市颖航汽配有限公司 Anti-fatigue and antioxidant rubber material for sealing automobile hydraulic system and preparation method of anti-fatigue and antioxidant rubber material
CN106047139A (en) * 2016-07-01 2016-10-26 太仓市金新涂料有限公司 Environment-friendly wear-proof two-component plastic cement paint and preparation method thereof
CN107383766A (en) * 2017-08-31 2017-11-24 安徽华海特种电缆集团有限公司 A kind of high-temperature-resistant, tensile controls CABLE MATERIALS
CN107698833A (en) * 2017-09-06 2018-02-16 安徽铖友汽车零部件制造有限公司 A kind of auto glass sealer bar

Similar Documents

Publication Publication Date Title
CN102888072B (en) Styrene mixed recycled material
CN102585390B (en) Formula and preparation technology of CPE (Chlorinated Polyethylene) rubber waterstop
CN102964750A (en) Halogen-free flame-retardant PVC (Polyvinyl Chloride) elastic composite material and preparation method thereof
CN109553830A (en) A kind of preparation method of stretch-proof pipeline valve gasket seal
CN103613789B (en) One is copied and is got sealing plate material and preparation method thereof without asbestos
CN107903524A (en) A kind of plastic processing toughener and its preparation process
CN105482246A (en) Modified polypropylene cable protection tube
CN109209190A (en) A kind of integrated molding fire resistant flexible item
CN107057241A (en) A kind of power electric meter erosion resisting insulation sheathing material and preparation method thereof
CN104829852A (en) Preparation method of in-situ ionic crosslinked rubber
CN105086296A (en) Fluororubber gasket resistant to high-temperature steam and compression permanent deformation and preparing method thereof
CN104072927A (en) Special reinforced regenerated flame-retardant HIPS (high impact polystyrene) for home appliances and preparation technique thereof
CN101921432A (en) Low-smoke halogen-free flame-retardant polypropylene cable material and preparation method thereof
CN110204825A (en) A kind of flame retardant cable pipe and preparation method thereof
CN103333577B (en) A kind of anti-flaming dope and preparation method thereof
JP2007211206A (en) Thermoplastic resin composition
CN112662094B (en) Flame-retardant high-elasticity PVC injection molding material
CN107418030A (en) A kind of high-temperature-resistant high wood plastic composite and preparation method thereof
CN103483692A (en) Railway signal cable sheathing material
CN110607048A (en) Preparation method of high-temperature-resistant cable sheath
CN111849095B (en) Extrusion-grade fluororubber premix with low fuel permeability and preparation method thereof
CN109575571A (en) A kind of high temperature resistant urban Underground pipeline valve spacer
CN109810427A (en) A kind of pvc material and preparation method thereof of high pressure resistant environment
CN108164770A (en) A kind of effective gasket of impact resistance diesel engine oil
CN105017687A (en) Cold-resistant and low-temperature-resistant polyvinyl chloride cable material and preparation method thereof

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20190402

RJ01 Rejection of invention patent application after publication