CN115746543A - Nylon material and preparation method and application thereof - Google Patents
Nylon material and preparation method and application thereof Download PDFInfo
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- CN115746543A CN115746543A CN202211447646.5A CN202211447646A CN115746543A CN 115746543 A CN115746543 A CN 115746543A CN 202211447646 A CN202211447646 A CN 202211447646A CN 115746543 A CN115746543 A CN 115746543A
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- nylon material
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- 239000000463 material Substances 0.000 title claims abstract description 72
- 239000004677 Nylon Substances 0.000 title claims abstract description 53
- 229920001778 nylon Polymers 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000003063 flame retardant Substances 0.000 claims abstract description 29
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 12
- 229920006375 polyphtalamide Polymers 0.000 claims abstract description 12
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims abstract description 12
- 229920000578 graft copolymer Polymers 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 229920002302 Nylon 6,6 Polymers 0.000 claims abstract description 9
- 239000004954 Polyphthalamide Substances 0.000 claims abstract description 9
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000001336 alkenes Chemical class 0.000 claims abstract description 6
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims abstract description 6
- 229920002545 silicone oil Polymers 0.000 claims abstract description 5
- 229910021595 Copper(I) iodide Inorganic materials 0.000 claims abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- LSXDOTMGLUJQCM-UHFFFAOYSA-M copper(i) iodide Chemical compound I[Cu] LSXDOTMGLUJQCM-UHFFFAOYSA-M 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 239000010703 silicon Substances 0.000 claims abstract description 4
- 229940071182 stannate Drugs 0.000 claims abstract description 4
- 125000005402 stannate group Chemical group 0.000 claims abstract description 4
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000003365 glass fiber Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 230000000655 anti-hydrolysis Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000013538 functional additive Substances 0.000 claims description 4
- 239000002667 nucleating agent Substances 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- KTLIMPGQZDZPSB-UHFFFAOYSA-M diethylphosphinate Chemical compound CCP([O-])(=O)CC KTLIMPGQZDZPSB-UHFFFAOYSA-M 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000011982 device technology Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 8
- 239000006260 foam Substances 0.000 abstract description 4
- MUOMSHSMJCWQFH-UHFFFAOYSA-N 3-[2-[4-[2-[[4-(3-carbamoylanilino)-4-oxobutanoyl]amino]ethyl]triazol-1-yl]ethylsulfamoyl]benzoic acid Chemical compound NC(=O)c1cccc(NC(=O)CCC(=O)NCCc2cn(CCNS(=O)(=O)c3cccc(c3)C(O)=O)nn2)c1 MUOMSHSMJCWQFH-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 16
- 238000010521 absorption reaction Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 2
- 229920000299 Nylon 12 Polymers 0.000 description 2
- 229920000572 Nylon 6/12 Polymers 0.000 description 2
- 229920006659 PA12 Polymers 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920006124 polyolefin elastomer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Abstract
The invention discloses a nylon material and a preparation method and application thereof, and the preparation raw materials comprise: nylon materials, flame retardant synergists, heat stabilizers, poly and olefin graft copolymers; nylon materials include polyphthalamide, polydodecalactam derivatives, polyhexamethylene adipamide; the raw material for preparing the polyphthalamide comprises a mixture of phthalic acid and isophthalic acid; the flame-retardant synergist comprises at least one of modified MMP, lanthanum oxide, silicon flame retardant, zinc borate, stannate and MCA; the modified MMP is MMP with the surface coated with silicone oil; the heat stabilizer comprises one of S-EED, lv Geman H10, cuprous iodide and potassium iodide; the poly-and-olefin graft copolymer comprises at least one of grafted SEBS, grafted POE, and grafted PE. The nylon material solves the problems that welding materials in the prior SMT technology are easy to turn yellow at high temperature, low in bonding line strength and easy to foam in welding time.
Description
Technical Field
The invention belongs to the technical field of high polymer materials, and particularly relates to a nylon material as well as a preparation method and application thereof.
Background
SMT is a Surface Mount Technology, collectively called Surface Mount Technology, which is a Technology for mounting a leadless or short-lead Surface-mounted device on the Surface of a printed circuit board or other substrate and solder-assembling the Surface-mounted device to the Surface of the printed circuit board or other substrate by reflow soldering. The existing SMT is the problem that the welded material can not meet the short-term tolerance of 270 ℃ high temperature, the yellowing resistance of the welded material is poor, and the material foams in the welding time in the surface mount preparation technology.
Therefore, a nylon material, a preparation method and an application thereof are needed to be provided, and the problems that welding materials in the existing SMT (surface mount technology) are easy to turn yellow at high temperature, low in bonding line strength and easy to foam in welding time can be solved.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a nylon material and a preparation method and application thereof, and solves the problems that welding materials in the existing SMT (surface mount technology) are easy to turn yellow at high temperature, low in bonding line strength and easy to foam in welding time.
The invention also provides a preparation method of the nylon material.
The invention also provides an application of the nylon material in an insulating material.
According to a nylon material of an embodiment of the first aspect of the present invention, the raw material for preparing comprises: nylon materials, flame retardant synergists, heat stabilizers, poly and olefin graft copolymers;
the nylon material comprises polyphthalamide, polydodecalactam derivatives and polyhexamethylene adipamide;
the raw material for preparing the polyphthalamide comprises a mixture of phthalic acid and isophthalic acid;
the flame-retardant synergist comprises at least one of modified MMP, lanthanum oxide, silicon flame retardants, zinc borate, stannate and MCA;
the modified MMP is MMP with the surface coated with silicone oil;
the heat stabilizer comprises S-EED and Lv Geman H10;
the poly-olefin graft copolymer comprises at least one of grafted SEBS elastomer, grafted POE and grafted PE.
The nylon material provided by the embodiment of the invention has at least the following beneficial effects:
1. according to the invention, through compounding of the raw materials, the contents of functional groups of the water-absorbent resin and the hydrophilic resin in the nylon material are reduced, and the water absorption of the material is controlled, so that the problem of foaming of the material in the welding time is avoided.
2. According to the invention, through compounding of the raw materials, the S-EED heat stabilizer is selected as the heat stabilizer, so that the nylon material is prevented from discoloring due to instantaneous high-temperature materials. Lv Geman H10 can realize the adsorption of residual micromolecule substances of nylon 6, S-EED is structurally blocked with relatively active groups, and the combination of the S-EED and the S-EED avoids the corrosion of metal contacts. The graft copolymer of the present invention provides polarity between materials, improving the water absorption of the materials by capping.
3. The nylon material disclosed by the invention is low in preparation cost and easy to process, and the application range of downstream customers is expanded.
According to some embodiments of the invention, the polydodecalactam derivative comprises at least one of nylon 12 and nylon 612.
According to some embodiments of the present invention, the polyphthalamide is 30 to 40 parts, the polydodecalactam derivative is 5 to 10 parts, the polyhexamethylene adipamide is 5 to 10 parts, and the flame retardant synergist is 3 to 10 parts by weight.
According to some embodiments of the present invention, the raw materials for preparing the nylon material further include a functional auxiliary, a halogen-free flame retardant and glass fibers.
According to some embodiments of the invention, the functional adjuvant comprises at least one of a nucleating agent, a silicone powder, and an anti-hydrolysis agent.
According to some embodiments of the invention, the functional auxiliary agent is 1 to 3 parts, the glass fiber is 30 to 40 parts, and the flame retardant synergist is 3 to 10 parts by weight.
According to some embodiments of the invention, the functional additive is 1 to 3 parts by weight, and the halogen-free flame retardant is 10 to 16 parts by weight.
According to some embodiments of the invention, the nucleating agent comprises CAV102.
According to some embodiments of the invention, the glass fiber comprises ECS11-4.5-560H.
According to some embodiments of the invention, the heat stabilizer further comprises one of cuprous iodide and potassium iodide.
According to some embodiments of the invention, the halogen-free flame retardant comprises diethylphosphinate.
According to the second aspect embodiment of the invention, the preparation method of the nylon material comprises the steps of mixing the nylon material, the flame-retardant synergist and the poly-olefin graft copolymer, and then melting and granulating.
According to some embodiments of the invention, the time of mixing is 5 to 8min.
According to some embodiments of the invention, the temperature of the melting is 270-310 ℃.
According to some preferred embodiments of the present invention, the preparation method of the nylon material comprises the steps of firstly mixing the flame retardant synergist on a high speed mixer, then sequentially adding the resin, the flame retardant and the functional aid, uniformly mixing at a low speed, then discharging and feeding the mixture into a double screw extruder, adding the chopped glass fiber from a side feed, performing melt plasticization by the extruder, extruding by a machine head, bracing, cooling, granulating and drying to obtain a finished product.
According to some embodiments of the invention, the twin-screw extruder has a processing temperature of 270 to 310 ℃.
According to some embodiments of the invention, the twin-screw extruder has a screw speed of 350 to 400r/min.
According to some embodiments of the invention, the twin screw extruder is of a 50-screw machine type.
The application of the nylon material in the surface mount device technology according to the third embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by reference are exemplary only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Polyphthalamide (high temperature nylon PPA) of the present invention is purchased from Shandong Xianglong company;
polydodecalactam derivatives (one or more of nylon 12 and nylon 612;)
The polydodecalactam derivatives are purchased from a new Shandong Xianglong material;
polyhexamethylene adipamide (nylon 66) is one or more of Henan Mares EPR27 or EPR 24;
the heat stabilizer is one or more of Brouglman H10, cuprous iodide, potassium iodide and S-EED;
the polyolefin graft copolymer is one or more of grafted POE, grafted PE and grafted SEBS;
the polyolefin graft copolymer is a commercial product;
the halogen-free flame retardant is organic diethylphosphinate (ADP) well known to those skilled in the art;
the flame-retardant synergist is one or more of modified MPP, lanthanum oxide, silicon flame retardant, zinc borate, stannate and Melamine Cyanurate (MCA);
modified MM was purchased from Guangdong Daoduosheng science and technology, inc.;
the functional auxiliary agent is one or more of nucleating agent (CAV 102), silicone powder and anti-hydrolysis agent;
nuclearants (CAV 102) were purchased from clariant;
the anti-hydrolysis agent is purchased from Kaiyin chemical engineering of Shanghai;
the glass fiber is ECS11-4.5-560H of megalite corporation.
Example 1
The embodiment provides a nylon material, which comprises the following specific components:
the weight portion of the material is as follows:
example 2
The embodiment provides a preparation method of a nylon material, which comprises the following specific steps:
according to the composition of the nylon material in the example 1, PPA, PA12 and PA66 are poured into a mixer together and mixed for 10min at a low speed, then ADP, modified MMP and polyolefin elastomer are added and mixed for 5min in a stirrer, the temperature of each section from a feed opening to a head of the extruder is set to be 270-310 ℃, and the mixed material is subjected to melt plasticization and extrusion granulation to obtain a modified PPA product DND4-1.
The modified MMP in the invention is obtained by mixing silicone oil and MMP.
Example 3
The embodiment provides a nylon material, which comprises the following specific components:
the weight portion of the material is as follows:
example 4
The embodiment provides a preparation method of a nylon material, which comprises the following specific steps:
according to the composition of the nylon material in the embodiment 3, PPA, PA12 and PA66 are poured onto a mixer together and mixed at a low speed for 10min, then ADP, coated MPP and polyolefin elastomer are added and mixed in a stirrer for 5min, the temperature of each section of an extruder from a feed opening to a nose is set to be 270-310 ℃, and the mixed material is subjected to melt plasticization and extrusion granulation to obtain a modified PPA product DND4-2.
Example 5
This example provides a nylon material, and the difference between this example and example 1 is that grafted SEBS is replaced by grafted POE, and the rest conditions are the same.
Example 6
This example provides a method for preparing a nylon material, and differs from example 2 in that the preparation is carried out according to the components of example 5, and the rest conditions are the same.
Comparative example 1
The comparative example provides a nylon material, the specific components are as follows:
the weight portion of the material is as follows:
comparative example 2
The present comparative example provides a method for preparing a nylon material, and differs from example 2 in that the preparation is performed according to the components of comparative example 1, and the rest of the conditions are the same.
Comparative example 3
The comparative example provides a nylon material, the specific components are as follows:
the weight portions are as follows:
comparative example 4
The present comparative example provides a method for preparing a nylon material, and differs from example 2 in that the preparation is performed according to the components of comparative example 3, and the rest of the conditions are the same.
Comparative example 5
The comparative example provides a nylon material, the specific components are as follows:
the weight portions are as follows:
comparative example 6
The present comparative example provides a method for preparing a nylon material, and differs from example 2 in that the preparation is performed according to the components of comparative example 5, and the rest of the conditions are the same.
Test example 1
In the test example, the nylon materials in the above examples and comparative examples were tested for heat distortion temperature, water absorption and flame retardant rating, and the test results are shown in table 2, wherein the specific methods are as follows:
(1) Heat distortion temperature GB/T1634
(2) Water absorption rate GB/T1034
(3) Flame retardant rating UL-94
Table 2 results of performance test of examples
As can be seen from Table 2, the selected formula system has respective advantages, and the grafted SEBS elastomer with the star-shaped structure has stronger structural characteristic activity, so that the compatibility among the flame-retardant system, the resin and the glass fiber can be obviously improved; the sodium phosphate stabilizer is adopted in the formula system, so that the color stability of the material can be improved in the production process, and a foundation is laid for color matching of subsequent materials; although the S-EED has good effect as a traditional light stabilizer, the system is only used as a heat stabilizer, so that the instant high-temperature material is prevented from discoloring; MPP base stock is commercially available, and is physically and chemically coated by silicone oil and chemicals with certain molecular weight, so that pyrolysis is avoided.
The above description is only an example of the present invention, and should not be taken as limiting the scope of the present invention. Insubstantial changes from the disclosed embodiments, variations from or substitutions to one or more other processes, or other insubstantial changes from the disclosed embodiments, as viewed in light of the above teachings, are intended to be covered by the present invention.
Claims (10)
1. The nylon material is characterized by comprising the following preparation raw materials: nylon materials, flame retardant synergists, heat stabilizers, poly and olefin graft copolymers;
the nylon material comprises polyphthalamide, polydodecalactam derivatives and polyhexamethylene adipamide;
the raw material for preparing the polyphthalamide comprises a mixture of phthalic acid and isophthalic acid;
the flame-retardant synergist comprises at least one of modified MMP, lanthanum oxide, silicon flame retardant, zinc borate, stannate and MCA;
the modified MMP is MMP with the surface coated with silicone oil;
the heat stabilizer comprises S-EED and Lv Geman H10;
the poly-olefin graft copolymer comprises at least one of grafted SEBS, grafted POE and grafted PE.
2. The nylon material of claim 1, wherein the polyphthalamide is 30-40 parts, the polydodecalactam derivative is 5-10 parts, the polyhexamethylene adipamide is 5-10 parts, and the flame retardant synergist is 3-10 parts by weight.
3. The nylon material of claim 1, wherein the raw materials for preparing the nylon material further comprise a functional auxiliary agent, a halogen-free flame retardant and glass fibers.
4. The nylon material of claim 3, wherein the functional additive comprises at least one of a nucleating agent, a silicone powder, and an anti-hydrolysis agent.
5. The nylon material of claim 3, wherein the functional additive is 1-3 parts by weight, the glass fiber is 30-40 parts by weight, and the flame retardant synergist is 3-10 parts by weight.
6. The nylon material of claim 3, wherein the functional additive is 1-3 parts by weight, and the halogen-free flame retardant is 10-16 parts by weight.
7. The nylon material of claim 1, wherein the heat stabilizer further comprises one of cuprous iodide and potassium iodide.
8. The nylon material of claim 3, wherein the halogen-free flame retardant comprises diethylphosphinate.
9. The method for preparing nylon material according to any one of claims 1 to 8, comprising melt-granulating the nylon material, the flame retardant synergist, and the polyolefin-based graft copolymer after mixing.
10. Use of the nylon material of any one of claims 1-8 in surface mount device technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211447646.5A CN115746543A (en) | 2022-11-18 | 2022-11-18 | Nylon material and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211447646.5A CN115746543A (en) | 2022-11-18 | 2022-11-18 | Nylon material and preparation method and application thereof |
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| CN115746543A true CN115746543A (en) | 2023-03-07 |
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2022
- 2022-11-18 CN CN202211447646.5A patent/CN115746543A/en active Pending
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| CN101817978A (en) * | 2010-04-21 | 2010-09-01 | 深圳市科聚新材料有限公司 | High temperature nylon PPA reinforcing material and preparation method thereof |
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