CN103772986A - Wear-resistant self-lubricating modified polyphenylene sulfide material and preparation method thereof - Google Patents
Wear-resistant self-lubricating modified polyphenylene sulfide material and preparation method thereof Download PDFInfo
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- CN103772986A CN103772986A CN201210395207.4A CN201210395207A CN103772986A CN 103772986 A CN103772986 A CN 103772986A CN 201210395207 A CN201210395207 A CN 201210395207A CN 103772986 A CN103772986 A CN 103772986A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention belongs to the technical field of polymer materials, and relates to a polyphenylene sulfide material and a preparation method thereof. The composite material is composed of the following raw materials in parts by weight: 45 to 55 parts of polyphenylene sulfide, 5 to 10 parts of anti-wear agent, 0.5 to 1 part of lubricant, 0.2 to 0.4 part of antioxidant, 0.6 to 1 part of coupling agent, and 35 to 45 parts of glass fiber. The preparation method comprises the following steps: adding 45 to 55 parts of polyphenylene sulfide, 5 to 10 parts of anti-wear agent, 0.5 to 1 part of lubricant, 0.2 to 0.4 part of antioxidant, 0.6 to 1 part of coupling agent, and 35 to 45 parts of glass fiber into a high-speed mixer, evenly mixing the materials in a high speed in the high-speed mixer, then pouring the mixture into a screw extruder, extruding the mixture strips, and cutting the strips into granules so as to obtain the finished product. The material has the advantages of high strength, self-lubricating, and wear resistance, and can be made into gears, bearings, and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, relate to a kind of modified polyphenyl thioether material and preparation method thereof.
Background technology
Polyphenylene sulfide (PPS) is a kind of special engineering plastics of excellent combination property.PPS has good high temperature resistant, corrosion-resistant, radiation hardness, flame retardant properties, balanced physical and mechanical properties and the fabulous feature such as dimensional stability and good electrical property, be widely used as structural macromolecular material, by being widely used as special engineering plastics after filling, modification.Meanwhile, PPS also can be made into various functional films, coating and matrix material, and application succeeds in fields such as electronic apparatus, aerospace, Automobile Transportation, machinery and chemical industry.
In current lightweight process, it is inevitable that " to mould Dai Gang, to mould for aluminium " becomes development.Polyphenylene sulfide has good intensity, but some require superstrength material application industry its still can not meet the demands, at this moment just need more high-intensity material to meet its requirement, simultaneously in space flight and aviation, when the fields such as petrochemical industry are used as bearing or gear, require it will have good self-lubricating abrasion-resistant performance, guarantee and miscellaneous part associativity, thereby assurance equipment runs well, and friction damage in use procedure is little.
Summary of the invention
The object of the invention is to the problem existing for overcoming above-mentioned prior art, a kind of wear-resistant self-lubricating modified polyphenyl thioether material is provided, this material has high slight, self lubricity, and frictional coefficient is little, dimensional stabilizing, the advantage such as in use procedure friction damage is little.Add glass fibre cheaply simultaneously, its cost is reduced significantly, make its scope of application obtain larger expansion, can be used as gear, the goods such as bearing use.
Another object of the present invention is to provide a kind of preparation method of above-mentioned wear-resistant self-lubricating modified polyphenyl thioether material.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of modified polyphenyl thioether material, this material is made up of the component that comprises following weight part:
Described anti-wear agent is selected from the one in molybdenumdisulphide, graphite, tetrafluoroethylene or ultra-high molecular weight polysiloxane.
Described molybdenumdisulphide is 1000 order-2500 orders.
Described graphite is 1000 order-2500 orders.
Described ultra-high molecular weight polysiloxane molecule amount is greater than 100,000.
Described glass fibre is continuous glass fibre, and diameter is 10-15 μ m, is preferably 10-12 μ m.
Described lubricant is selected from one or more in stearyl alcohol, silicone or calcium stearate.
Described oxidation inhibitor is selected from four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] one or more in processing stabilizers phosphorous acid ester compound antioxidant (oxidation inhibitor P262) of pentaerythritol ester (antioxidant 1010), β-(3,5-di-tert-butyl-hydroxy phenyl) positive octadecanol ester of propionic acid (antioxidant 1076) or hindered phenol stabilizer.
Described coupling agent is selected from one or more in γ-methacryloxypropyl trimethoxy silane (KH-570) or γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane (KH-560).
A preparation method for above-mentioned polyphenyl thioether composite material, the method comprises the following steps:
(1) take each component raw material by said ratio, by 45-55 part polyphenylene sulfide, 5-10 part anti-wear agent, 35-45 part glass fibre, 0.5-1 part lubricant, 0.2-0.4 part oxidation inhibitor, 0.6-1 part coupling agent, even through high mixer high-speed mixing;
(2) material step (1) being mixed is poured screw extrusion press into, obtains product through the pelletizing of screw extrusion press tie rod.
In described step (1), the rotating speed of high mixer is 800-1000rpm, and mixing temperature is 40-60 ℃, and mixing time is 5-10min.
In described step (2), screw extrusion press is single screw extrusion machine or twin screw extruder, and extrusion temperature is 280-310 ℃.
Compared with prior art, the present invention has following beneficial effect:
Prepared wear-resistant self-lubricating polyphenyl thioether material of the present invention, has very high intensity, has good self-lubricating abrasion-resistant performance, guarantees and miscellaneous part associativity.Thereby assurance equipment runs well, and friction damage in use procedure is little.Simultaneously, as special engineering plastics, this material has acid and alkali-resistance, corrosion resistance nature, long service life etc. advantage, can be used as gear, the goods such as bearing use.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
In following examples, be all according to ASTM standard testing to the testing standard of product.
Embodiment 1
(1) take the raw material of following weight part: 45 parts of polyphenylene sulfides, 45 parts of continuous glass fibres (diameter be 12 μ m), 1 part of silicone, 0.1 part of antioxidant 1010,0.1 part of antioxidant 1076,0.6 part of coupling agent kh-570,10 parts of anti-wear agent graphite (1000 order), controlling high mixer speed is 1000rmp, temperature is 40 ℃, mixes 10min, and above-mentioned raw materials is mixed at a high speed through high mixer;
(2) control extruder temperature at 295-310 ℃, mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, product correlated performance is tested in table 1.
Embodiment 2
(1) take the raw material of following weight part: 50 parts of polyphenylene sulfides, 40 parts of continuous glass fibres (diameter be 10 μ m), 1 part of calcium stearate, 0.1 part of antioxidant 1010,0.2 part of antioxidant 1076,0.7 part of coupling agent kh-570,10 parts of anti-wear agent ultra-high molecular weight polysiloxane (molecular weight is greater than 100,000), controlling high mixer speed is 800rmp, temperature is 60 ℃, mixes 5min, and above-mentioned raw materials is mixed at a high speed through high mixer;
(2) control extruder temperature at 285-300 ℃, mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, product correlated performance is tested in table 1.
Embodiment 3
(1) take the raw material of following weight part: 55 parts of polyphenylene sulfides, 35 parts of continuous glass fibres (diameter be 12 μ m), 0.5 part of stearyl alcohol, 0.2 part of oxidation inhibitor P262,0.8 part of coupling agent kh-570,8 parts of anti-wear agent molybdenumdisulphide (1000 order), controlling high mixer speed is 950rmp, temperature is 40 ℃, mixes 10min, and above-mentioned raw materials is mixed at a high speed through high mixer;
(2) control extruder temperature at 285-310 ℃, mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, product correlated performance is tested in table 1.
Embodiment 4
(1) take the raw material of following weight part: 45 parts of polyphenylene sulfides, 45 parts of continuous glass fibres (diameter be 15 μ m), 0.5 part of silicone, 0.2 part of antioxidant 1010,0.2 part of antioxidant 1076,1 part of coupling agent KH-560,5 parts of anti-wear agent graphite (2500 order), controlling high mixer speed is 1000rmp, temperature is 60 ℃, mixes 5min, and above-mentioned raw materials is mixed at a high speed through high mixer;
(2) control extruder temperature at 290-310 ℃, mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, product correlated performance is tested in table 1.
Embodiment 5
(1) take the raw material of following weight part: 50 parts of polyphenylene sulfides, 40 parts of continuous glass fibres (diameter be 13 μ m), 0.8 part of silicone, 0.4 part of antioxidant 1076,0.9 part of coupling agent KH-560,10 parts of tetrafluoroethylene (molecular weight is greater than 100,000), controlling high mixer speed is 860rmp, temperature is 50 ℃, mixes 10min above-mentioned raw materials is mixed at a high speed through high mixer;
(2) control extruder temperature at 290-310 ℃, mixture can be obtained to product through the pelletizing of single screw extrusion machine tie rod.
Embodiment 6
(1) take the raw material of following weight part: 45 parts of polyphenylene sulfides, 45 parts of continuous glass fibres (diameter be 10 μ m), 1 part of stearyl alcohol, 0.3 part of antioxidant 1076,1 part of coupling agent KH-560,10 parts of graphite (2000 order), controlling high mixer speed is 920rmp, temperature is 60 ℃, mixes 5min, and above-mentioned raw materials is mixed at a high speed through high mixer;
(2) control extruder temperature at 285-290 ℃, mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, product correlated performance is tested in table 1.
Embodiment 7
(1) take the raw material of following weight part: 50 parts of polyphenylene sulfides, 40 parts of continuous glass fibres (diameter be 12 μ m), 1 part of stearyl alcohol, 0.1 part of antioxidant 1010,0.2 part of antioxidant 1076,0.8 part of coupling agent KH-560,5 parts of tetrafluoroethylene, controlling high mixer speed is 830rmp, temperature is 55 ℃, mixes 8min, and above-mentioned raw materials is mixed at a high speed through high mixer;
(2) control extruder temperature at 290-310 ℃, mixture can be obtained to product through the pelletizing of twin screw extruder tie rod, product correlated performance is tested in table 1.
Embodiment 8
(1) take the raw material of following weight part: 45 parts of polyphenylene sulfides, 45 parts of continuous glass fibres (diameter be 12 μ m), 0.5 part of stearyl alcohol, 0.3 part of antioxidant 1010,0.1 part of antioxidant 1076,0.7 part of coupling agent kh-570,8 parts of molybdenumdisulphide (2500 order); Controlling high mixer speed is 985rmp, and temperature is 50 ℃, mixes 10min, and above-mentioned raw materials is mixed at a high speed through high mixer;
(2) control extruder temperature at 280-300 ℃, mixture can be obtained to product through the pelletizing of twin screw extruder tie rod.
Table 1
By table 1, known the present invention strengthens polyphenylene sulfide with glass, makes the polyphenylene sulfide itself with higher-strength obtain higher strength enhancing, meets those needs superstrengths but the not requirement of the material of the better toughness of needs application.In some industry, require it not only will there is very high intensity and also will there is self-lubricating abrasion-resistant performance simultaneously, for example, during as gear and bearing use.At this moment need it to carry out modification, by adding anti-wear agent to reduce the frictional coefficient of itself, improve its wear resisting property, thereby meet its actual operation requirements.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. a modified polyphenyl thioether material, is characterized in that: this material is made up of the component that comprises following weight part:
2. modified polyphenyl thioether material according to claim 1, is characterized in that: described anti-wear agent is selected from molybdenumdisulphide, graphite, tetrafluoroethylene or ultra-high molecular weight polysiloxane.
3. modified polyphenyl thioether material according to claim 2, is characterized in that: described molybdenumdisulphide is 1000 order-2500 orders;
Or described graphite is 1000 order-2500 orders;
Or described ultra-high molecular weight polysiloxane molecule amount is greater than 100,000.
4. modified polyphenyl thioether material according to claim 1, is characterized in that: described glass fibre is continuous glass fibre, and diameter is 10-15 μ m, is preferably 10-12 μ m.
5. modified polyphenyl thioether material according to claim 1, is characterized in that: described lubricant is selected from one or more in stearyl alcohol, silicone or calcium stearate.
6. modified polyphenyl thioether material according to claim 1, it is characterized in that: described oxidation inhibitor is selected from four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] one or more in processing stabilizers phosphorous acid ester compound antioxidant of pentaerythritol ester, β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid or hindered phenol stabilizer.
7. modified polyphenyl thioether material according to claim 1, it is characterized in that: described coupling agent is selected from one or more in γ-methacryloxypropyl trimethoxy silane or γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane.
8. a preparation method for arbitrary described modified polyphenyl thioether material in the claims 1-7, is characterized in that: the method comprises the following steps:
(1) take each component raw material by proportioning claimed in claim 1, by 45-55 part polyphenylene sulfide, 5-10 part anti-wear agent, 35-45 part glass fibre, 0.5-1 part lubricant, 0.2-0.4 part oxidation inhibitor, 0.6-1 part coupling agent, even through high mixer high-speed mixing;
(2) material step (1) being mixed is poured screw extrusion press into, obtains product through the pelletizing of screw extrusion press tie rod.
9. preparation method according to claim 8, is characterized in that: in described step (1), the rotating speed of high mixer is 800-1000rpm, and mixing temperature is 40-60 ℃, and mixing time is 5-10min.
10. preparation method according to claim 8, is characterized in that: in described step (2), screw extrusion press is single screw extrusion machine or twin screw extruder, and extrusion temperature is 280-310 ℃.
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Cited By (8)
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|---|---|---|---|---|
| CN104565107A (en) * | 2014-12-31 | 2015-04-29 | 东风商用车有限公司 | Steel base composite resin base synchronizer ring for heavy duty vehicle |
| CN105295356A (en) * | 2014-06-09 | 2016-02-03 | 南通慧源塑胶有限公司 | Formula of highly wear-resistant polyamide |
| CN105367961A (en) * | 2015-12-04 | 2016-03-02 | 太仓苏晟电气技术科技有限公司 | Peeling machine base |
| CN105504608A (en) * | 2015-12-04 | 2016-04-20 | 太仓苏晟电气技术科技有限公司 | Junk box for bar hot-peeling technology |
| CN111171569A (en) * | 2020-02-13 | 2020-05-19 | 庄盛光 | Polyphenylene sulfide/polyether sulfone wear-resistant composite board and preparation method thereof |
| CN111748207A (en) * | 2020-07-08 | 2020-10-09 | 四川明道和化学新材料有限公司 | Polyphenylene sulfide enhanced lubricating composite granules and preparation method thereof |
| CN112375382A (en) * | 2020-11-11 | 2021-02-19 | 巨石集团有限公司 | Wear-resistant material for press roller of glass fiber drawing machine, wear-resistant press roller and preparation process of wear-resistant press roller |
| CN115353735A (en) * | 2022-09-14 | 2022-11-18 | 山东产研明泉新材料研究院有限公司 | Nano organosilicon-polyphenylene sulfide composite material and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295356A (en) * | 2014-06-09 | 2016-02-03 | 南通慧源塑胶有限公司 | Formula of highly wear-resistant polyamide |
| CN104565107A (en) * | 2014-12-31 | 2015-04-29 | 东风商用车有限公司 | Steel base composite resin base synchronizer ring for heavy duty vehicle |
| CN105367961A (en) * | 2015-12-04 | 2016-03-02 | 太仓苏晟电气技术科技有限公司 | Peeling machine base |
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Application publication date: 20140507 |