CN113897055A - Ultrathin halogen-free flame-retardant connector nylon material and preparation method thereof - Google Patents
Ultrathin halogen-free flame-retardant connector nylon material and preparation method thereof Download PDFInfo
- Publication number
- CN113897055A CN113897055A CN202110708928.5A CN202110708928A CN113897055A CN 113897055 A CN113897055 A CN 113897055A CN 202110708928 A CN202110708928 A CN 202110708928A CN 113897055 A CN113897055 A CN 113897055A
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- China
- Prior art keywords
- halogen
- nylon material
- parts
- free flame
- flame retardant
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Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 37
- 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 title claims abstract description 31
- 239000000463 material Substances 0.000 title claims abstract description 25
- 239000004677 Nylon Substances 0.000 title claims abstract description 20
- 229920001778 nylon Polymers 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 239000000314 lubricant Substances 0.000 claims description 15
- 239000003351 stiffener Substances 0.000 claims description 9
- 239000012745 toughening agent Substances 0.000 claims description 9
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical group [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 6
- 239000008116 calcium stearate Substances 0.000 claims description 6
- 235000013539 calcium stearate Nutrition 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 208000016261 weight loss Diseases 0.000 claims description 3
- 230000004580 weight loss Effects 0.000 claims description 3
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims 6
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34928—Salts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The ultrathin halogen-free flame-retardant connector nylon material comprises the following raw materials in parts by weight: PA 66: 75-90 parts; MCA flame retardant: 8-15 parts; antioxidant: 0.5, the invention also discloses a preparation method of the ultrathin halogen-free flame-retardant connector nylon material. Compared with the prior art, the ultra-thin halogen-free flame-retardant connector nylon material and the preparation method thereof have the advantages that the PA66, the flame retardant, the antioxidant and the like are added into the raw materials, so that the manufactured connector is not only free of halogenated thin-wall flame retardant but also good in fluidity, and the corresponding requirements on rigidity and toughness are met according to the product structure.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to an ultrathin halogen-free flame-retardant connector nylon material and a preparation method thereof.
Background
With the development of new industries, connector products are also developing in the directions of electrification, high frequency and high speed, miniaturization, intelligence, precision and the like. In the era of the internet of things, wireless technology is ubiquitous, a connector realizes a contact connection mode like before, connection for guaranteeing wireless transmission in many occasions such as industry and automobiles is guaranteed in the future, and after all, double protection is the safest. Based on the change of connector requirements, the material of the connecting device is also required to be advanced, and has the advantages of no halogenated thin wall, flame retardance and good fluidity. The rigidity and toughness of the product are required correspondingly according to the structure of the product.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an ultrathin halogen-free flame-retardant connector nylon material and a preparation method thereof, wherein the preparation method comprises the following steps:
the technical scheme of the invention is realized as follows:
the ultrathin halogen-free flame-retardant connector nylon material comprises the following raw materials in parts by weight:
PA 66: 75-90 parts of
MCA flame retardant: 8-15 parts of
Antioxidant: 0.5.
preferably, the feed also comprises the following raw materials in parts by weight:
lubricant: 0.1 to 0.6 portion
Preferably, the feed also comprises the following raw materials in parts by weight:
a stiffening agent: 82 portions of
Lubricant: 0.1 to 0.6 portion.
Preferably, the feed also comprises the following raw materials in parts by weight:
lubricant: 0.1 to 0.6 portion
A toughening agent: 3-10 parts.
Preferably, the lubricant is calcium stearate.
Preferably, the stiffening agent is calcium stearate.
Preferably, the toughening agent is grafted POE.
The invention also provides a preparation method of the ultrathin halogen-free flame-retardant connector nylon material, which comprises the following preparation steps:
1) putting the PA66, the MCA flame retardant, the antioxidant, the stiffening agent, the lubricant and the toughening agent into a mixer for mixing;
2) adding the mixture in the step 1) and PA66 in a corresponding proportion into a double-screw extruder through a weight-loss feeding system;
3) melting in an extruder, extruding in the processes of plasticization and the like, drawing strips into strip-shaped products, wherein the length-diameter ratio of a double-screw extruder is 40:1, the temperature of each section is 250-280 ℃, the vacuum degree is 0.04-0.06MPA, and the rotating speed of a screw is 400-500 r/m;
4) and cooling, granulating and drying the strip product, and molding the prepared material by an injection molding machine to obtain the target product.
Compared with the prior art, the invention has the following beneficial effects:
according to the ultrathin halogen-free flame-retardant connector nylon material and the preparation method, the PA66, the flame retardant, the antioxidant and the like are added into the raw materials, so that the manufactured connector is not only non-halogenated thin-wall flame-retardant and good in flowability, but also meets the corresponding requirements on rigidity and toughness according to the product structure.
Detailed Description
The present invention will now be described more fully hereinafter.
The ultrathin halogen-free flame-retardant connector nylon material comprises the following raw materials in parts by weight:
PA 66: 75-90 parts of
MCA flame retardant: 8-15 parts of
Antioxidant: 0.5.
the first embodiment comprises the following raw materials in parts by weight:
PA 66: 75-90 parts of
MCA flame retardant: 8-15 parts of
Antioxidant: 0.5
Lubricant: 0.1 to 0.6 portion
The second embodiment comprises the following raw materials in parts by weight:
PA 66: 75-90 parts of
MCA flame retardant: 8-15 parts of
Antioxidant: 0.5
A stiffening agent: 82 portions of
Lubricant: 0.1 to 0.6 portion.
The third embodiment comprises the following raw materials in parts by weight:
PA 66: 75-90 parts of
MCA flame retardant: 8-15 parts of
Antioxidant: 0.5
Lubricant: 0.1 to 0.6 portion
A toughening agent: 3-10 parts.
The lubricant is calcium stearate.
The stiffening agent is calcium stearate.
The toughening agent is grafted POE.
According to the formulation of the three examples, the rigidity and toughness are respectively tested and counted as the following table,
by combining the above tables, the flame retardant grade, tensile strength, bending strength, notch impact strength and elongation at break of the three formulas are all obviously higher than the industry standard.
The invention also provides a preparation method of the ultrathin halogen-free flame-retardant connector nylon material, which comprises the following preparation steps:
1) putting the PA66, the MCA flame retardant, the antioxidant, the stiffening agent, the lubricant and the toughening agent into a mixer for mixing;
2) adding the mixture in the step 1) and PA66 in a corresponding proportion into a double-screw extruder through a weight-loss feeding system;
3) melting in an extruder, extruding in the processes of plasticization and the like, drawing strips into strip-shaped products, wherein the length-diameter ratio of a double-screw extruder is 40:1, the temperature of each section is 250-280 ℃, the vacuum degree is 0.04-0.06MPA, and the rotating speed of a screw is 400-500 r/m;
4) and cooling, granulating and drying the strip product, and molding the prepared material by an injection molding machine to obtain the target product.
According to the material formula and the preparation method, the PA66, the flame retardant, the antioxidant and the like are added into the raw materials, so that the manufactured connector can not only be halogenated and thin-walled flame retardant, but also has good fluidity, and meets the corresponding requirements on rigidity and toughness according to the product structure.
Claims (8)
1. The ultrathin halogen-free flame-retardant connector nylon material is characterized by comprising the following raw materials in parts by weight:
PA 66: 75-90 parts of
MCA flame retardant: 8-15 parts of
Antioxidant: 0.5.
2. the ultra-thin halogen-free flame retardant connector nylon material of claim 1, further comprising the following raw materials in parts by weight:
lubricant: 0.1 to 0.6 portion
3. The ultra-thin halogen-free flame retardant connector nylon material of claim 1, further comprising the following raw materials in parts by weight:
a stiffening agent: 82 portions of
Lubricant: 0.1 to 0.6 portion.
4. The ultra-thin halogen-free flame retardant connector nylon material of claim 1, further comprising the following raw materials in parts by weight:
lubricant: 0.1 to 0.6 portion
A toughening agent: 3-10 parts.
5. The ultra-thin halogen-free flame retardant connector nylon material of claim 2, 3 or 4, wherein the lubricant is calcium stearate.
6. The ultra-thin halogen-free flame retardant connector nylon material of claim 3, wherein the stiffening agent is calcium stearate.
7. The ultrathin halogen free flame retardant connector nylon material of claim 4, wherein the toughening agent is grafted POE.
8. The preparation method of the ultrathin halogen-free flame-retardant connector nylon material is characterized by comprising the following preparation steps of:
1) putting the PA66, the MCA flame retardant, the antioxidant, the stiffening agent, the lubricant and the toughening agent into a mixer for mixing;
2) adding the mixture in the step 1) and PA66 in a corresponding proportion into a double-screw extruder through a weight-loss feeding system;
3) melting in an extruder, extruding in the processes of plasticization and the like, drawing strips into strip-shaped products, wherein the length-diameter ratio of a double-screw extruder is 40:1, the temperature of each section is 250-280 ℃, the vacuum degree is 0.04-0.06MPA, and the rotating speed of a screw is 400-500 r/m;
4) and cooling, granulating and drying the strip product, and molding the prepared material by an injection molding machine to obtain the target product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708928.5A CN113897055A (en) | 2021-06-25 | 2021-06-25 | Ultrathin halogen-free flame-retardant connector nylon material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708928.5A CN113897055A (en) | 2021-06-25 | 2021-06-25 | Ultrathin halogen-free flame-retardant connector nylon material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113897055A true CN113897055A (en) | 2022-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110708928.5A Pending CN113897055A (en) | 2021-06-25 | 2021-06-25 | Ultrathin halogen-free flame-retardant connector nylon material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113897055A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007138151A (en) * | 2005-10-20 | 2007-06-07 | Asahi Kasei Chemicals Corp | Flame-retardant polyamide-based resin composition |
| CN103242655A (en) * | 2013-05-31 | 2013-08-14 | 东莞市国立科技有限公司 | Halogen-free flame retardant PA (Polyamide) 66 plastic modified material and preparation method thereof |
| CN110615987A (en) * | 2019-10-15 | 2019-12-27 | 山东省科学院能源研究所 | Halogen-free flame-retardant toughened nylon and preparation method and application thereof |
-
2021
- 2021-06-25 CN CN202110708928.5A patent/CN113897055A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007138151A (en) * | 2005-10-20 | 2007-06-07 | Asahi Kasei Chemicals Corp | Flame-retardant polyamide-based resin composition |
| CN103242655A (en) * | 2013-05-31 | 2013-08-14 | 东莞市国立科技有限公司 | Halogen-free flame retardant PA (Polyamide) 66 plastic modified material and preparation method thereof |
| CN110615987A (en) * | 2019-10-15 | 2019-12-27 | 山东省科学院能源研究所 | Halogen-free flame-retardant toughened nylon and preparation method and application thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220107 |