CN105733140A - High-strength and high-wear-resisting plastic valve element and preparation method thereof - Google Patents

High-strength and high-wear-resisting plastic valve element and preparation method thereof Download PDF

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Publication number
CN105733140A
CN105733140A CN201610264411.0A CN201610264411A CN105733140A CN 105733140 A CN105733140 A CN 105733140A CN 201610264411 A CN201610264411 A CN 201610264411A CN 105733140 A CN105733140 A CN 105733140A
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China
Prior art keywords
parts
nano
strength
etfe
powder
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Pending
Application number
CN201610264411.0A
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Chinese (zh)
Inventor
何颜鹏
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Tongling Bairui Equipment Accessories Co Ltd
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Tongling Bairui Equipment Accessories Co Ltd
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Priority to CN201610264411.0A priority Critical patent/CN105733140A/en
Publication of CN105733140A publication Critical patent/CN105733140A/en
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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
    • C08L27/12—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 fluorine atoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • 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

Abstract

The invention discloses a high-strength and high-wear-resisting plastic valve element and a preparation method thereof. The high-strength high-wear-resisting plastic valve element is prepared from, by weight, 60-80 parts of PFA, 10-20 parts of ETFE, 3-5 parts of nano attapulgite, 3-5 parts of nano dolomite powder, 2-5 parts of nano ceramic powder, 2-4 parts of nano silicon nitride, 1-2 parts of glass fibers, 1-3 parts of antiager, 0.5-0.8 part of antioxidant, 0.8-1.5 parts of coupling agent and 1-3 parts of liquid paraffin. The high-strength and high-wear-resisting plastic valve element is high in strength and resistant to impacts and wear, and has high temperature resistance, self-lubrication performance and excellent dimension stability.

Description

A kind of high-strength, high-anti-friction plastic poppet and preparation method thereof
Technical field
The present invention relates to technical field of valve manufacturing, particularly relate to a kind of high-strength, high-anti-friction plastic poppet and system thereof Preparation Method.
Background technology
In the modernization epoch that industry is flourishing, valve has highly important in fields such as oil, chemical industry, metallurgy Effect, most valves are all the spools using metal material to make, and the spool that metal material is made uses the longevity Life is long and is favored.But it is as the development of society, the gradually shortage of metals resources, cause for producing system The price of the metal material making spool rises steadily, and therefore production cost increases.Occur in that now Polytetrafluoroethylplastic plastic spool, but the spool of politef manufacture wears no resistance, intensity is low.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of high-strength, high-anti-friction plastic poppet, Intensity is high, impact resistance, wear-resistant, has the dimensional stability of heat-resisting quantity, self lubricity and excellence.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of high-strength, high-anti-friction plastic poppet, the weight portion of its constitutive material is: PFA 60-80 part, ETFE 10-20 part, nano-attapulgite 3-5 part, Nano dolomite powder 3-5 part, nano-ceramic powder 2-5 part, receive Rice silicon nitride 2-4 part, glass fibre 1-2 part, age resistor 1-3 part, antioxidant 0.5-0.8 part, idol Connection agent 0.8-1.5 part, liquid paraffin 1-3 part.
Preferably, described high-strength, high-anti-friction plastic poppet, the weight portion of its constitutive material is: PFA 70 Part, ETFE 15 parts, nano-attapulgite 4 parts, Nano dolomite powder 5 parts, nano-ceramic powder 3 parts, receive Rice silicon nitride 3 parts, glass fibre 2 parts, 2 parts of age resistor, antioxidant 0.6 part, coupling agent 1.2 parts, Liquid paraffin 2 parts.
The preparation method of described high-strength, high-anti-friction plastic poppet, including following preparation process:
(1) each raw material is weighed by above-mentioned weight ratio, by glass fibre, coupling agent, liquid paraffin mixing Stir to obtain mixture；
(2) by nano-attapulgite, Nano dolomite powder, nano-ceramic powder, nano-silicon nitride, age resistor, Antioxidant adds in kneader, under the mixing speed of 1400-1600 rev/min, and mixing step (1) Compound dilution is vaporific to be sprayed in kneader；
(3) PEA, ETFE are added in kneader, continue stirring 10-20 minute, take out and use 120 mesh Screen cloth sieving；
(4) step (3) mixture is injected mould from note road junction, mould is dried at 180-200 DEG C of constant temperature Rotary heating 20-30 minute in case, then takes out, and at note road junction cut-in pressure pipe, inputs 0.3-0.5MPa Pressure, with hydraulic press pressurizing mold in three times, pressure is respectively 30,60,100kg/cm2, each 20-30 Minute, until die sinking is repaired after mould cooling.
Compared with the prior art, beneficial effects of the present invention is as follows:
The high-strength, high-anti-friction plastic poppet of the present invention, with PFA, ETFE as primary raw material, wear-resisting, self-lubricating Property good, by formula adjustment, add nano-attapulgite, Nano dolomite powder, nano-ceramic powder, nanometer The inorganic nano powder such as silicon nitride, can significantly improve the wearability of spool, mechanical strength and heat-resisting quantity；This The high-strength, high-anti-friction plastic poppet of invention, intensity is high, impact resistance, wear-resistant, has heat-resisting quantity, Zi Run Slip and excellent dimensional stability.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
A kind of high-strength, high-anti-friction plastic poppet, the weight portion of its constitutive material is: PFA 60 parts, ETFE 10 Part, nano-attapulgite 3 parts, Nano dolomite powder 5 parts, nano-ceramic powder 2 parts, nano-silicon nitride 4 Part, glass fibre 1 part, 1 part of age resistor, antioxidant 0.5 part, coupling agent 0.8 part, liquid paraffin 1 part.
The preparation method of described high-strength, high-anti-friction plastic poppet, including following preparation process:
(1) each raw material is weighed by above-mentioned weight ratio, by glass fibre, coupling agent, liquid paraffin mixing Stir to obtain mixture；
(2) by nano-attapulgite, Nano dolomite powder, nano-ceramic powder, nano-silicon nitride, age resistor, Antioxidant adds in kneader, under the mixing speed of 1400 revs/min, by the mixture of step (1) Dilute vaporific spraying in kneader；
(3) PEA, ETFE are added in kneader, continue stirring 10 minutes, take out with 120 mesh sieve mesh screens Filter；
(4) step (3) mixture is injected mould from note road junction, by mould in 180 DEG C of constant temperature ovens Rotary heating 30 minutes, then takes out, and at note road junction cut-in pressure pipe, the pressure of input 0.3MPa, with oil Press pressurizing mold in three times, pressure is respectively 30,60,100kg/cm2, each 20 minutes, until mould After cooling, die sinking is repaired.
Spool density 1.23g/cm of the present embodiment 1 preparation3, tensile strength 65Mpa, comprcssive strength 35Mpa, Bending strength 120Mpa, hardness 62HRC, shrinkage factor 0.3%.
Embodiment 2:
A kind of high-strength, high-anti-friction plastic poppet, the weight portion of its constitutive material is: PFA 70 parts, ETFE 15 Part, nano-attapulgite 4 parts, Nano dolomite powder 5 parts, nano-ceramic powder 3 parts, nano-silicon nitride 3 Part, glass fibre 2 parts, 2 parts of age resistor, antioxidant 0.6 part, coupling agent 1.2 parts, liquid paraffin 2 parts.
The preparation method of described high-strength, high-anti-friction plastic poppet, including following preparation process:
(1) each raw material is weighed by above-mentioned weight ratio, by glass fibre, coupling agent, liquid paraffin mixing Stir to obtain mixture；
(2) by nano-attapulgite, Nano dolomite powder, nano-ceramic powder, nano-silicon nitride, age resistor, Antioxidant adds in kneader, under the mixing speed of 1500 revs/min, by the mixture of step (1) Dilute vaporific spraying in kneader；
(3) PEA, ETFE are added in kneader, continue stirring 15 minutes, take out with 120 mesh sieve mesh screens Filter；
(4) step (3) mixture is injected mould from note road junction, by mould in 190 DEG C of constant temperature ovens Rotary heating 25 minutes, then takes out, and at note road junction cut-in pressure pipe, the pressure of input 0.4MPa, with oil Press pressurizing mold in three times, pressure is respectively 30,60,100kg/cm2, each 25 minutes, until mould After cooling, die sinking is repaired.
Spool density 1.45g/cm of the present embodiment 2 preparation3, tensile strength 72Mpa, comprcssive strength 45Mpa, Bending strength 135Mpa, hardness 68HRC, shrinkage factor 0.2%.
Embodiment 3:
A kind of high-strength, high-anti-friction plastic poppet, the weight portion of its constitutive material is: PFA 80 parts, ETFE 20 Part, nano-attapulgite 5 parts, Nano dolomite powder 3 parts, nano-ceramic powder 5 parts, nano-silicon nitride 2 Part, glass fibre 2 parts, 3 parts of age resistor, antioxidant 0.8 part, coupling agent 1.5 parts, liquid paraffin 3 parts.
The preparation method of described high-strength, high-anti-friction plastic poppet, including following preparation process:
(1) each raw material is weighed by above-mentioned weight ratio, by glass fibre, coupling agent, liquid paraffin mixing Stir to obtain mixture；
(2) by nano-attapulgite, Nano dolomite powder, nano-ceramic powder, nano-silicon nitride, age resistor, Antioxidant adds in kneader, under the mixing speed of 1600 revs/min, by the mixture of step (1) Dilute vaporific spraying in kneader；
(3) PEA, ETFE are added in kneader, continue stirring 20 minutes, take out with 120 mesh sieve mesh screens Filter；
(4) step (3) mixture is injected mould from note road junction, by mould in 200 DEG C of constant temperature ovens Rotary heating 20 minutes, then takes out, and at note road junction cut-in pressure pipe, the pressure of input 0.5MPa, with oil Press pressurizing mold in three times, pressure is respectively 30,60,100kg/cm2, each 30 minutes, until mould After cooling, die sinking is repaired.
Spool density 1.26g/cm of the present embodiment 3 preparation3, tensile strength 68Mpa, comprcssive strength 41Mpa, Bending strength 123Mpa, hardness 64HRC, shrinkage factor 0.3%.

Claims (3)

1. a high-strength, high-anti-friction plastic poppet, it is characterised in that: the weight portion of its constitutive material is: PFA 60-80 part, ETFE 10-20 part, nano-attapulgite 3-5 part, Nano dolomite powder 3-5 part, nanometer pottery Porcelain powder 2-5 part, nano-silicon nitride 2-4 part, glass fibre 1-2 part, age resistor 1-3 part, antioxidant 0.5-0.8 part, coupling agent 0.8-1.5 part, liquid paraffin 1-3 part.
High-strength, high-anti-friction plastic poppet the most according to claim 1, the weight portion of its constitutive material is: PFA 70 parts, ETFE 15 parts, nano-attapulgite 4 parts, Nano dolomite powder 5 parts, nano-ceramic powder 3 Part, nano-silicon nitride 3 parts, glass fibre 2 parts, 2 parts of age resistor, antioxidant 0.6 part, coupling agent 1.2 parts, liquid paraffin 2 parts.
The preparation method of high-strength, high-anti-friction plastic poppet the most according to claim 1 and 2, its feature It is: include following preparation process:
(1) each raw material is weighed by above-mentioned weight ratio, by glass fibre, coupling agent, liquid paraffin mixing Stir to obtain mixture；
(2) by nano-attapulgite, Nano dolomite powder, nano-ceramic powder, nano-silicon nitride, age resistor, Antioxidant adds in kneader, under the mixing speed of 1400-1600 rev/min, and mixing step (1) Compound dilution is vaporific to be sprayed in kneader；
(3) PEA, ETFE are added in kneader, continue stirring 10-20 minute, take out and use 120 mesh Screen cloth sieving；
(4) step (3) mixture is injected mould from note road junction, mould is dried at 180-200 DEG C of constant temperature Rotary heating 20-30 minute in case, then takes out, and at note road junction cut-in pressure pipe, inputs 0.3-0.5MPa Pressure, with hydraulic press pressurizing mold in three times, pressure is respectively 30,60,100kg/cm2, each 20-30 Minute, until die sinking is repaired after mould cooling.
CN201610264411.0A 2016-04-25 2016-04-25 High-strength and high-wear-resisting plastic valve element and preparation method thereof Pending CN105733140A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610264411.0A CN105733140A (en) 2016-04-25 2016-04-25 High-strength and high-wear-resisting plastic valve element and preparation method thereof

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Application Number Priority Date Filing Date Title
CN201610264411.0A CN105733140A (en) 2016-04-25 2016-04-25 High-strength and high-wear-resisting plastic valve element and preparation method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113134943A (en) * 2021-04-14 2021-07-20 常熟市盈源塑料制品有限公司 Injection molding process and injection mold for high-temperature-resistant water heater shell
CN117004122A (en) * 2023-09-04 2023-11-07 吴江市拓研电子材料有限公司 High-temperature-resistant oil-resistant teflon ribbon and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103709531A (en) * 2013-11-29 2014-04-09 马鞍山市中澜橡塑制品有限公司 Non-toxic and environmental friendly composite rubber mixing sealing gasket material and preparation method thereof
CN104004306A (en) * 2014-05-27 2014-08-27 安徽金大仪器有限公司 High-wear-resistant plastic electromagnetic valve element

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103709531A (en) * 2013-11-29 2014-04-09 马鞍山市中澜橡塑制品有限公司 Non-toxic and environmental friendly composite rubber mixing sealing gasket material and preparation method thereof
CN104004306A (en) * 2014-05-27 2014-08-27 安徽金大仪器有限公司 High-wear-resistant plastic electromagnetic valve element

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王文广等主编: "《塑料配方设计》", 31 July 2004, 化学工业出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113134943A (en) * 2021-04-14 2021-07-20 常熟市盈源塑料制品有限公司 Injection molding process and injection mold for high-temperature-resistant water heater shell
CN117004122A (en) * 2023-09-04 2023-11-07 吴江市拓研电子材料有限公司 High-temperature-resistant oil-resistant teflon ribbon and preparation method thereof

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Application publication date: 20160706