CN113817315A - High-flow impact-resistant flame-retardant fire-fighting helmet PA66 material and preparation method thereof - Google Patents
High-flow impact-resistant flame-retardant fire-fighting helmet PA66 material and preparation method thereof Download PDFInfo
- Publication number
- CN113817315A CN113817315A CN202110715879.8A CN202110715879A CN113817315A CN 113817315 A CN113817315 A CN 113817315A CN 202110715879 A CN202110715879 A CN 202110715879A CN 113817315 A CN113817315 A CN 113817315A
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- Prior art keywords
- retardant
- fighting helmet
- flow impact
- fire
- parts
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 title claims abstract description 31
- 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 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000012745 toughening agent Substances 0.000 claims abstract description 16
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 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
- 239000002667 nucleating agent Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 4
- 239000003017 thermal stabilizer Substances 0.000 claims description 9
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 4
- 235000011037 adipic acid Nutrition 0.000 claims description 3
- 239000001361 adipic acid Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 150000004985 diamines Chemical class 0.000 claims description 3
- 238000001035 drying 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
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000006068 polycondensation reaction Methods 0.000 claims description 3
- 208000016261 weight loss Diseases 0.000 claims description 3
- 230000004580 weight loss Effects 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229920001778 nylon Polymers 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
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
-
- 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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Helmets And Other Head Coverings (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material comprises the following raw materials in parts by weight: 92-82 parts of PA 66; 6-10 parts of halogen-free flame retardant; 2-8 parts of a toughening agent; 0.1-0.3 parts of nucleating agent; 0.2-0.5 part of heat stabilizer; 0.5-1 part of antioxidant. The invention also discloses a preparation method of the high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material. Compared with the prior art, the high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material and the preparation method thereof have the advantages that the PA66, the halogen-free flame retardant, the toughening agent and the like are added into the raw materials, so that the manufactured fire-fighting helmet has high flame retardant performance and notch impact strength, the high-temperature resistance is improved, and the impact resistance of the helmet is also enhanced.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material and a preparation method thereof.
Background
PA66 is one of the earliest developed nylon products, the largest output and the most widely applied varieties. Although PA66 has excellent mechanical properties and mechanical properties, the high temperature resistance is not very outstanding. Because the fire-fighting helmet is large, the material is required to have high fluidity and impact resistance, and the requirement of flame retardance is also met. In order to achieve all the properties, the common PA66 is difficult to realize, and a high-flow impact-resistant flame-retardant fire-fighting helmet needs to be provided to solve the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material and a preparation method thereof, wherein the material comprises the following steps:
the technical scheme of the invention is realized as follows:
a high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material comprises the following raw materials in parts by weight:
PA 66: 92-82 parts
Halogen-free flame retardant: 6-10
A toughening agent: 2-8:
nucleating agent: 0.1-0.3
Thermal stabilizer: 0.2-0.5
Antioxidant: 0.5-1.
Preferably, the material comprises the following raw materials in parts by weight:
PA 66: 92 portions of
Halogen-free flame retardant: 6
A toughening agent: 2:
nucleating agent: 0.1
Thermal stabilizer: 0.2
Antioxidant: 0.5.
preferably, the material comprises the following raw materials in parts by weight:
PA 66: 82 portions of
Halogen-free flame retardant: 10
A toughening agent: 8:
nucleating agent: 0.3
Thermal stabilizer: 0.5
Antioxidant: 1.
preferably, the PA66 is obtained by polycondensation of equimolar amounts of adipic acid and diamine.
Preferably, the antioxidant is a flow improver.
The invention also provides a preparation method of the high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material, which comprises the following preparation steps:
1) putting the PA66, the halogen-free flame retardant, the toughening agent, the nucleating agent, the heat stabilizer and the flow improver 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) extruding in an extruder in the melting and plasticizing processes, drawing strips into strip-shaped products, wherein the length-diameter ratio of the double-screw extruder is 40:1, the temperature of each section is 250-;
4) and cooling, granulating and drying the strip-shaped 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 high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material and the preparation method, PA66, a halogen-free flame retardant, a toughening agent and the like are added into raw materials, so that the manufactured fire-fighting helmet has high flame retardant performance and notch impact strength, the high-temperature resistance is improved, and the impact resistance of the helmet is also enhanced.
Detailed Description
A high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material comprises the following components in parts by weight
Materials: PA 66: 92-82 parts
Halogen-free flame retardant: 6-10
A toughening agent: 2-8:
nucleating agent: 0.1-0.3
Thermal stabilizer: 0.2-0.5
Antioxidant: 0.5-1.
The first embodiment is as follows:
the fire-fighting helmet PA66 material comprises the following raw materials in parts by weight:
PA 66: 92 portions of
Halogen-free flame retardant: 6
A toughening agent: 2:
nucleating agent: 0.1
Thermal stabilizer: 0.2
Antioxidant: 0.5.
example two:
the fire-fighting helmet PA66 material comprises the following raw materials in parts by weight:
PA 66: 82 portions of
Halogen-free flame retardant: 10
A toughening agent: 8:
nucleating agent: 0.3
Thermal stabilizer: 0.5
Antioxidant: 1.
preferably, the PA66 is obtained by polycondensation of equimolar amounts of adipic acid and diamine.
Preferably, the antioxidant is a flow improver.
The properties were compared to the typical injection molding grade PA66 (Table I), with the comparative specifications DuPont 101L, Endada U4820L.
Watch 1
Through a large number of experiments, as shown in table one, the flame retardant performance and notched impact strength were improved compared with dupont 101L and engida U4820L.
The invention also provides a preparation method of the high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material, which comprises the following preparation steps:
1) putting the PA66, the halogen-free flame retardant, the toughening agent, the nucleating agent, the heat stabilizer and the flow improver 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) extruding in an extruder in the melting and plasticizing processes, drawing strips into strip-shaped products, wherein the length-diameter ratio of the double-screw extruder is 40:1, the temperature of each section is 250-;
4) and cooling, granulating and drying the strip-shaped product, and molding the prepared material by an injection molding machine to obtain the target product.
According to the formula and the preparation method of the material, the PA66 material for the high-flow impact-resistant flame-retardant fire-fighting helmet and the preparation method of the material, disclosed by the invention, have the advantages that the PA66, the halogen-free flame retardant, the toughening agent and the like are added into the raw materials, so that the manufactured fire-fighting helmet has stronger flame retardant performance and notch impact strength, the high-temperature resistance is improved, and the impact resistance of the helmet is also enhanced.
Claims (6)
1. A high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material is characterized by comprising the following raw materials in parts by weight:
PA 66: 92-82 parts
Halogen-free flame retardant: 6-10
A toughening agent: 2-8:
nucleating agent: 0.1-0.3
Thermal stabilizer: 0.2-0.5
Antioxidant: 0.5-1.
2. The high flow impact resistant fire retardant fire fighting helmet PA66 material of claim 1, comprising the following raw materials in parts by weight:
PA 66: 92 portions of
Halogen-free flame retardant: 6
A toughening agent: 2:
nucleating agent: 0.1
Thermal stabilizer: 0.2
Antioxidant: 0.5.
3. the high flow impact resistant fire retardant fire fighting helmet PA66 material of claim 1, comprising the following raw materials in parts by weight:
PA 66: 82 portions of
Halogen-free flame retardant: 10
A toughening agent: 8:
nucleating agent: 0.3
Thermal stabilizer: 0.5
Antioxidant: 1.
4. the high flow impact resistant fire retardant fire fighting helmet PA66 material of claim 1, 2 or 3, wherein the PA66 is obtained by polycondensation of equimolar amounts of adipic acid and diamine.
5. The high flow impact resistant fire retardant fire fighting helmet PA66 material of claim 1 or 2 or 3, wherein the antioxidant is a flow improver.
6. A preparation method of a high-flow impact-resistant flame-retardant fire-fighting helmet PA66 material is characterized by comprising the following preparation steps:
1) putting the PA66, the halogen-free flame retardant, the toughening agent, the nucleating agent, the heat stabilizer and the flow improver 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) extruding in an extruder in the melting and plasticizing processes, drawing strips into strip-shaped products, wherein the length-diameter ratio of the double-screw extruder is 40:1, the temperature of each section is 250-;
4) and cooling, granulating and drying the strip-shaped 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 |
|---|---|---|---|
| CN202110715879.8A CN113817315A (en) | 2021-06-25 | 2021-06-25 | High-flow impact-resistant flame-retardant fire-fighting helmet PA66 material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715879.8A CN113817315A (en) | 2021-06-25 | 2021-06-25 | High-flow impact-resistant flame-retardant fire-fighting helmet PA66 material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113817315A true CN113817315A (en) | 2021-12-21 |
Family
ID=78924084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110715879.8A Pending CN113817315A (en) | 2021-06-25 | 2021-06-25 | High-flow impact-resistant flame-retardant fire-fighting helmet PA66 material and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113817315A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005336474A (en) * | 2004-04-28 | 2005-12-08 | Ube Ind Ltd | Flame-retardant resin composition |
| US20100069539A1 (en) * | 2006-12-04 | 2010-03-18 | Mitsubishi Engineering-Plastics Corporation | Flame-retardant polyamide resin composition and molded article |
| CN101717573A (en) * | 2009-11-03 | 2010-06-02 | 苏州市科创聚合物有限公司 | Flame-retardant nylon and making process thereof |
| CN106854359A (en) * | 2016-11-24 | 2017-06-16 | 广东美塑塑料科技有限公司 | Inexpensive high heat-resistant halogen-free flame-retardant reinforced plastic PA66 composition and preparation method thereof |
| CN108841172A (en) * | 2018-05-21 | 2018-11-20 | 广州华新科智造技术有限公司 | A kind of non-reinforcing flame retardant polyamide composite material and preparation method thereof |
-
2021
- 2021-06-25 CN CN202110715879.8A patent/CN113817315A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005336474A (en) * | 2004-04-28 | 2005-12-08 | Ube Ind Ltd | Flame-retardant resin composition |
| US20100069539A1 (en) * | 2006-12-04 | 2010-03-18 | Mitsubishi Engineering-Plastics Corporation | Flame-retardant polyamide resin composition and molded article |
| CN101717573A (en) * | 2009-11-03 | 2010-06-02 | 苏州市科创聚合物有限公司 | Flame-retardant nylon and making process thereof |
| CN106854359A (en) * | 2016-11-24 | 2017-06-16 | 广东美塑塑料科技有限公司 | Inexpensive high heat-resistant halogen-free flame-retardant reinforced plastic PA66 composition and preparation method thereof |
| CN108841172A (en) * | 2018-05-21 | 2018-11-20 | 广州华新科智造技术有限公司 | A kind of non-reinforcing flame retardant polyamide composite material and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20211221 |