CN104448809A - Glass fiber/mineral composite enhanced modified semi-aromatic nylon material and preparation method thereof - Google Patents
Glass fiber/mineral composite enhanced modified semi-aromatic nylon material and preparation method thereof Download PDFInfo
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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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
- B29C48/92—Measuring, controlling or regulating
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- 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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1535—Five-membered rings
- C08K5/1539—Cyclic anhydrides
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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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
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
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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
- B29C2948/9258—Velocity
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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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Abstract
The invention belongs to the technical field of high polymer material processing and modifying and relates to a glass fiber/mineral composite enhanced modified semi-aromatic nylon material and a preparation method thereof. The glass fiber/mineral composite enhanced modified semi-aromatic nylon material is prepared from the following components in parts by weight: 50-70 parts of semi-aromatic nylon resin, 10-40 parts of glass fibers, 10-30 parts of mineral filler, 5-15 parts of a compatilizer, 1-3 parts of an antioxidant, 0.5-1 part of a coupling agent and 1-3 parts of a lubricant. Compared with the prior art, semi-aromatic nylon material disclosed by the invention has excellent heat resistance, low molding shrinking percentage, good dimension stability and apparent quality, and high rigidity.
Description
Technical field
The invention belongs to processing of high molecular material and technical field of modification, relate to a kind of glass fiber/mineral composite strengthening modification semi-aromatic nylon material and preparation method.
Background technology
Semi-aromatic nylon is by the diacid of aliphatie diamine or diacid and band aromatic nucleus or diamines, obtain through polycondensation, it is the one of aromatic nylon, owing to introducing aromatic ring structure in nylon molecules main chain, thus the resistance toheat of nylon product and mechanical property are improved, water-intake rate also has reduction in various degree simultaneously, and there is good cost performance, between general engineering plastic and thermostability engineering plastic PEEK, high heat resistance resin between LCP etc., is mainly used in automobile and electric and electronic industry.Different according to the performance requriements of product, current each manufacturer develops the semi-aromatic nylon product of the multiple trade mark.Such as PA4T, PA6T, PA9T, PA10T, PA12T etc.Because semi-aromatic nylon is compared with nylon66 fiber, its maximum feature is fine heat-resisting performance, and water-intake rate is low, and compared with all aromatic nylon, it has the characteristic of easily processing.Therefore along with the needs with environmental protection cause that develop rapidly of new and high technology, its market requirement is in rising trend, and its application and development also has new progress.
At present about semi-aromatic nylon material modified mainly glass fibre filling enhancing modified, simple uses glass fibre reinforced nylon material, although the rigidity of semi-aromatic nylon material, intensity, impact resistance and thermomechanical property can be improved significantly, but so but often cause the apparent mass of material to be deteriorated, there is glass emergence on the surface or have floating fine, but also cause material to have larger warpage and shrinking percentage.And the filling-modified glass fibre that is better than on the apparent mass improving material of mineral filler, but the toughness of material can be caused not enough, dimensional stability is poor.
Summary of the invention
The object of the invention is to the defect for overcoming prior art and a kind of glass fiber/mineral composite strengthening modification semi-aromatic nylon material and preparation method are provided.
In order to achieve the above object, the present invention is by the following technical solutions:
A kind of glass fiber/mineral composite strengthening modification semi-aromatic nylon material, joins in semi-aromatic nylon as modified materials using glass fibre and mineral filler simultaneously, is made up of the component comprising following weight part:
Described semi-aromatic nylon resin is prepared from by the Long carbon chain aliphatie diamine containing 4-14 carbon atom and aromatic binary carboxylic acid polymerization.
Described semi-aromatic nylon resin is selected from PA4T, PA6T, PA6I, PA7T, PA8T, PA9T, PA9I, PA10T, PA10I, PA12T, PA13T or PA14T, is preferably PA9T, PA10T or PA12T.
Described glass fibre is alkali free glass fibre.
Described inorganic mineral filler is one or more in mica, wollastonite, talcum powder, calcium carbonate, barium sulfate or kaolin, preferred wollastonite or kaolin.
Described compatilizer be maleic anhydride, maleic anhydride-g-SBS, maleic anhydride graft vinylbenzene, maleic anhydride grafted ethene-octene copolymer one or more.
Described oxidation inhibitor phenols high-temperature antioxidant is selected from four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid or 1,3,5-tri-(the 4-tertiary butyl-3-hydroxyl-2,6-dimethyl benzyl)-1,3,5-triazines-2,4, one or more in 6-(1H, 3H, 5H)-triketone.
Described coupling agent is the one or more than one in vinyltriethoxysilane, γ-aminopropyl triethoxysilane, γ-aminopropyltrimethoxysilane, γ-propyl methacrylate base silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, positive titanium isopropylate or the different stearoyl titanic acid ester of sec.-propyl three.
Organo-functional group on described coupling agent comprises amino, epoxy group(ing), phenyl, isocyanic ester, methacrylic ester or vinyl, and preferred organo-functional group is amino.
Described lubricant is calcium stearate or Zinic stearas.
A preparation method for above-mentioned semi-aromatic nylon composite, comprises the following steps:
(1) first semi-aromatic nylon, inorganic mineral filler are put into respectively loft drier forced air drying for subsequent use;
(2) for subsequent use by mixing in the semi-aromatic nylon resin in step (1), part inorganic mineral filler and compatilizer, oxidation inhibitor, coupling agent, lubricant high-speed mixer;
(3) add from main spout the raw material mixed step (2);
(4) then add glass fibre and remaining mineral filler from side spout, until blended evenly after, through tie rod, cooling, pelletizing, drying, finally pack.
In described step (1), by semi-aromatic nylon resin, inorganic mineral filler respectively at 100 ~ 120 DEG C, 110 ~ 130 DEG C forced air dryings 6 ~ 8 hours.
In described step (2), mixing time is 5 ~ 10min.
In described step (4), each section of temperature of twin screw extruder is set as: district's temperature 275 ± 10 DEG C, two district's temperature 285 ± 10 DEG C, three district's temperature 295 ± 10 DEG C, four district's temperature 300 ± 10 DEG C, five district's temperature 300 ± 10 DEG C, six district's temperature 310 ± 10 DEG C, seven district's temperature 320 ± 10 DEG C, eight district's temperature 325 ± 10 DEG C, nine district's temperature 325 ± 10 DEG C, ten district's temperature 320 ± 10 DEG C, head temperature is 315 ± 10 DEG C, screw speed 250 ~ 350 revs/min.
Beneficial effect of the present invention is as follows:
Through glass fibre and the filling-modified semi-aromatic nylon of inorganic mineral, its intensity, rigidity and thermal characteristics can be significantly improved, in addition mineral-filled semi-aromatic nylon has good apparent mass and dimensional stability, low warpage, and processing characteristics is excellent, the shaping advantage such as soon.
Inorganic mineral filler used is by silane coupling agent process, and the binding ability between mineral filler and semi-aromatic nylon resin matrix and glass fibre increases substantially, and ensure that inorganic mineral filler can distribute uniformly in resin matrix.
In the course of processing, inorganic mineral filler is added respectively by main spout or side spout, can solve high powder blanking uneven problem when filling content, improve powder degree of scatter, make it be uniformly distributed in matrix resin, ensure the stable of the performance of material.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Glass fibre in the following example is alkali free glass fibre.
Embodiment 1
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA10T70 part, 30 parts, glass fibre, wollastonite 15 parts, maleic anhydride 8 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1.5 parts, 0.7 part of γ-aminopropyl triethoxysilane, calcium stearate 2 parts;
Preparation method:
(1) by semi-aromatic nylon resin, inorganic mineral filler respectively at 100 ~ 120 DEG C and 110 ~ 130 DEG C of forced air dryings 6 ~ 8 hours;
(2) the semi-aromatic nylon resin in step (1), part inorganic mineral filler and compatilizer, oxidation inhibitor, coupling agent, lubricant are dropped in high-speed mixer, Homogeneous phase mixing 5 ~ 10min;
(3) add from main spout the raw material mixed step (2);
(4) then glass fibre and remaining mineral filler is added from side spout, through melt extruding, granulation; Each section of temperature of twin screw extruder is set as: district's temperature 275 ± 10 DEG C, two district's temperature 285 ± 10 DEG C, three district's temperature 295 ± 10 DEG C, four district's temperature 300 ± 10 DEG C, five district's temperature 300 ± 10 DEG C, six district's temperature 310 ± 10 DEG C, seven district's temperature 320 ± 10 DEG C, eight district's temperature 325 ± 10 DEG C, nine district's temperature 325 ± 10 DEG C, ten district's temperature 320 ± 10 DEG C, head temperature is 315 ± 10 DEG C, screw speed 250 ~ 350 revs/min, screw speed 250 ~ 350 revs/min.
Embodiment 2
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA10T70 part, 30 parts, glass fibre, kaolin 15 parts, maleic anhydride 8 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1.5 parts, 0.7 part of γ-aminopropyl triethoxysilane, calcium stearate 2 parts;
Preparation method is with embodiment 1.
Embodiment 3
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA10T60 part, 20 parts, glass fibre, wollastonite 20 parts, maleic anhydride 6 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1.2 parts, 0.5 part of γ-aminopropyl triethoxysilane, calcium stearate 1.5 parts;
Preparation method is with embodiment 1.
Embodiment 4
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA10T60 part, 20 parts, glass fibre, kaolin 20 parts, maleic anhydride 6 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1.2 parts, 0.5 part of γ-aminopropyltrimethoxysilane, calcium stearate 1.5 parts;
Preparation method is with embodiment 1.
Embodiment 5
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA9T60 part, 20 parts, glass fibre, 20 parts, mica, maleic anhydride 6 parts, the β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid 1.2 parts, 0.5 part γ-aminopropyltrimethoxysilane, Zinic stearas 1.5 parts;
Preparation method is with embodiment 1.
Embodiment 6
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA12T70 part, 30 parts, glass fibre, talcum powder 10 parts, maleic anhydride 8 parts, β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid positive octadecanol ester 1.5 parts, 0.7 part positive titanium isopropylate, Zinic stearas 2 parts;
Preparation method is with embodiment 1.
Embodiment 7
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA10T50 part, 10 parts, glass fibre, wollastonite 15 parts, maleic anhydride 5 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1 part, 0.5 part of γ-aminopropyltrimethoxysilane, calcium stearate 1 part;
Preparation method is with embodiment 1;
Embodiment 8
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA10T50 part, 10 parts, glass fibre, kaolin 15 parts, maleic anhydride 5 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1 part, 0.5 part of γ-aminopropyltrimethoxysilane, calcium stearate 1 part;
Preparation method is with embodiment 1;
Embodiment 9
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA9T50 part, 10 parts, glass fibre, wollastonite 15 parts, maleic anhydride 5 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1 part, 0.5 part of γ-aminopropyltrimethoxysilane, calcium stearate 1 part;
Preparation method is with embodiment 1.
Embodiment 10
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA9T50 part, 10 parts, glass fibre, kaolin 15 parts, maleic anhydride 5 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1 part, 0.5 part of γ-aminopropyltrimethoxysilane, calcium stearate 1 part;
Preparation method is with embodiment 1.
Embodiment 11
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA12T50 part, 10 parts, glass fibre, wollastonite 15 parts, maleic anhydride 8 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1.5 parts, 0.7 part of γ-aminopropyltrimethoxysilane, calcium stearate 2 parts;
Preparation method is with embodiment 1.
Embodiment 12
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA12T50 part, 10 parts, glass fibre, kaolin 15 parts, maleic anhydride 5 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1 part, 0.5 part of γ-aminopropyltrimethoxysilane, calcium stearate 1 part;
Preparation method is with embodiment 1.
Embodiment 13
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA10T70 part, 40 parts, glass fibre, wollastonite 30 parts, maleic anhydride 15 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 3 parts, 1 part of γ-aminopropyltrimethoxysilane, calcium stearate 3 parts;
Preparation method is with embodiment 1.
Embodiment 14
Glass fiber/mineral composite strengthening modification semi-aromatic nylon material, be made up of the raw material of following weight part: semi-aromatic nylon resin PA10T70 part, 40 parts, glass fibre, kaolin 30 parts, maleic anhydride 15 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 3 parts, 1 part of γ-aminopropyltrimethoxysilane, calcium stearate 3 parts;
Preparation method is with embodiment 1.
The concrete test data of performance that embodiment 1-4 obtains product is as shown in table 1.
Table 1
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (10)
1. a glass fiber/mineral composite strengthening modification semi-aromatic nylon material, is characterized in that: be made up of the component comprising following weight part:
2. glass fiber/mineral composite strengthening modification semi-aromatic nylon material according to claim 1, is characterized in that: described semi-aromatic nylon resin is prepared from by the Long carbon chain aliphatie diamine containing 4-14 carbon atom and aromatic binary carboxylic acid polymerization.
3. glass fiber/mineral composite strengthening modification semi-aromatic nylon material according to claim 1 and 2, is characterized in that: described semi-aromatic nylon resin is selected from PA4T, PA6T, PA6I, PA7T, PA8T, PA9T, PA9I, PA10T, PA10I, PA12T, PA13T or PA14T.
4. glass fiber/mineral composite strengthening modification semi-aromatic nylon material according to claim 1, is characterized in that: described glass fibre is alkali free glass fibre.
5. glass fiber/mineral composite strengthening modification semi-aromatic nylon material according to claim 1, is characterized in that: described inorganic mineral filler is one or more in mica, wollastonite, talcum powder, calcium carbonate, barium sulfate or kaolin.
6. glass fiber/mineral composite strengthening modification semi-aromatic nylon material according to claim 1, is characterized in that: described compatilizer is one or more of maleic anhydride, maleic anhydride-g-SBS, maleic anhydride graft vinylbenzene or maleic anhydride grafted ethene-octene copolymer.
7. glass fiber/mineral composite strengthening modification semi-aromatic nylon material according to claim 1, it is characterized in that: described oxidation inhibitor phenols high-temperature antioxidant is selected from four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(3,5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid or 1,3,5-tri-(the 4-tertiary butyl-3-hydroxyl-2,6-dimethyl benzyl)-1,3,5-triazine-2,4,6-(1H, 3H, 5H) one or more in-triketone.
8. glass fiber/mineral composite strengthening modification semi-aromatic nylon material according to claim 1, is characterized in that: described coupling agent is the one or more than one in vinyltriethoxysilane, γ-aminopropyl triethoxysilane, γ-aminopropyltrimethoxysilane, γ-propyl methacrylate base silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, positive titanium isopropylate or the different stearoyl titanic acid ester of sec.-propyl three;
Or described lubricant is calcium stearate or Zinic stearas.
9. the preparation method of arbitrary described glass fiber/mineral composite strengthening modification semi-aromatic nylon material in claim 1-8, is characterized in that: comprise the following steps:
(1) first semi-aromatic nylon, inorganic mineral filler are put into respectively loft drier forced air drying for subsequent use;
(2) for subsequent use by mixing in the semi-aromatic nylon resin in step (1), part inorganic mineral filler and compatilizer, oxidation inhibitor, coupling agent, lubricant high-speed mixer;
(3) add from main spout the raw material mixed step (2);
(4) then add glass fibre and remaining mineral filler from side spout, until blended evenly after, through tie rod, cooling, pelletizing, drying, finally pack.
10. preparation method according to claim 9, is characterized in that: in described step (1), by semi-aromatic nylon resin, inorganic mineral filler respectively at 100 ~ 120 DEG C, 110 ~ 130 DEG C forced air dryings 6 ~ 8 hours;
Or in described step (2), mixing time is 5 ~ 10min;
Or in described step (4), each section of temperature of twin screw extruder is set as: district's temperature 275 ± 10 DEG C, two district's temperature 285 ± 10 DEG C, three district's temperature 295 ± 10 DEG C, four district's temperature 300 ± 10 DEG C, five district's temperature 300 ± 10 DEG C, six district's temperature 310 ± 10 DEG C, seven district's temperature 320 ± 10 DEG C, eight district's temperature 325 ± 10 DEG C, nine district's temperature 325 ± 10 DEG C, ten district's temperature 320 ± 10 DEG C, head temperature is 315 ± 10 DEG C, screw speed 250 ~ 350 revs/min.
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| CN111004497A (en) * | 2019-12-24 | 2020-04-14 | 上海中镭新材料科技有限公司 | Electroplating nylon material and preparation method thereof |
| CN111704796A (en) * | 2020-06-29 | 2020-09-25 | 上海中镭新材料科技有限公司 | Electroplating nylon material and preparation method thereof |
| CN113429783A (en) * | 2021-07-09 | 2021-09-24 | 浙江谱奈图新材料科技有限公司 | Low-friction low-abrasion high-temperature nylon and preparation method thereof |
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| CN106751793A (en) * | 2016-11-18 | 2017-05-31 | 江苏沃特新材料科技有限公司 | High surface gloss high-dimensional stability polyamide compoiste material and preparation method thereof |
| CN108219450A (en) * | 2017-04-27 | 2018-06-29 | 重庆普利特新材料有限公司 | A kind of high intensity, high-modulus, lower shrinkage plating nylon material and preparation method thereof |
| CN107141788A (en) * | 2017-05-25 | 2017-09-08 | 株洲时代新材料科技股份有限公司 | A kind of speed changing box support daiamid composition and preparation method thereof |
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| CN107815100A (en) * | 2017-11-02 | 2018-03-20 | 雪龙集团股份有限公司 | A kind of preparation method of Nylon for Automobile fan material |
| CN111004497A (en) * | 2019-12-24 | 2020-04-14 | 上海中镭新材料科技有限公司 | Electroplating nylon material and preparation method thereof |
| CN111004497B (en) * | 2019-12-24 | 2022-03-29 | 上海中镭新材料科技有限公司 | Electroplating nylon material and preparation method thereof |
| CN111704796A (en) * | 2020-06-29 | 2020-09-25 | 上海中镭新材料科技有限公司 | Electroplating nylon material and preparation method thereof |
| CN113429783A (en) * | 2021-07-09 | 2021-09-24 | 浙江谱奈图新材料科技有限公司 | Low-friction low-abrasion high-temperature nylon and preparation method thereof |
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