CN-121991502-A - Nylon material, preparation method thereof and vehicle

CN121991502ACN 121991502 ACN121991502 ACN 121991502ACN-121991502-A

Abstract

The embodiment of the application provides a nylon material, a preparation method thereof and a vehicle, and relates to the technical field of high polymer materials. The nylon material provided by the embodiment of the application comprises, by weight, 60-82 parts of modified polyamide master batches, 15-35 parts of glass fibers and 1-5 parts of odor adsorbents, wherein the modified polyamide master batches comprise a coupling agent, a metal oxide and polyamide. The application solves the technical problem of heavy smell of the vehicle interior trim part.

Inventors

ZHANG JUNHUA
DONG LIN
LIU LULU
WANG LIJUAN
XU YUNFEI

Assignees

奇瑞汽车股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260113

Claims (10)

1. The nylon material is characterized by comprising, by weight, 60-82 parts of modified polyamide master batches, 15-35 parts of glass fibers and 1-5 parts of odor adsorbents, wherein the modified polyamide master batches comprise a coupling agent, a metal oxide and polyamide.
2. The nylon material according to claim 1, wherein the mass ratio of the coupling agent, the metal oxide and the polyamide in the modified polyamide masterbatch is (0.1 to 0.3): (0.8 to 1.2): 40.
3. The nylon material of claim 1 or 2, wherein the coupling agent is a silane coupling agent, and/or the metal oxide is at least one of magnesium oxide and zinc oxide, and/or the polyamide is at least one of polycaprolactam, polyhexamethylene adipamide, and polybutylene adipamide.
4. Nylon material according to claim 1 or 2, characterized in that at least one of the following conditions is fulfilled: (1) The coupling agent is a silane coupling agent, and the silane coupling agent is at least one of gamma-aminopropyl triethoxysilane, gamma-mercaptopropyl trimethoxysilane, vinyl triethoxysilane and gamma-glycidol ether oxypropyl trimethoxysilane; (2) The polyamide is polyhexamethylene adipamide, and preferably, the relative viscosity of the polyhexamethylene adipamide is 2.5-3.0.
5. Nylon material according to claim 1 or 2, characterized in that the odor adsorbent comprises a molecular sieve and carbon nanotubes, preferably the mass ratio of the molecular sieve and the carbon nanotubes is (1-3): (0.5-1.5).
6. The nylon material of claim 5, wherein the molecular sieve comprises at least one of a 3A molecular sieve, a 4A molecular sieve, a 5A molecular sieve, a 13X molecular sieve, a Y-type molecular sieve, a ZSM-5 molecular sieve, and a titanium silicalite molecular sieve, and/or the molecular sieve has a pore diameter of 0.3nm to 1.0nm, and/or the carbon nanotube has a pipe diameter of 1.0nm to 30nm and a length of 3.0 μm to 250 μm.
7. Nylon material according to claim 1 or 2, characterized in that at least one of the following conditions is fulfilled: (1) The length of the glass fiber is 2 mm-5 mm, and the diameter of the glass fiber is 5 mu m-20 mu m; (2) The nylon material also comprises 0.4-1.5 parts of auxiliary agent, wherein the auxiliary agent comprises an antioxidant and a lubricant, and the mass ratio of the antioxidant to the lubricant is (0.1-0.5) (0.3-1); (3) The nylon material further comprises 0.4-1.5 parts of an auxiliary agent, wherein the auxiliary agent comprises an antioxidant, the antioxidant is at least one of a hindered phenol antioxidant and a phosphite antioxidant, preferably the hindered phenol antioxidant comprises at least one of an antioxidant 1010, an antioxidant 1076 and an antioxidant 1098, and preferably the phosphite antioxidant comprises an antioxidant 168; (4) The nylon material further comprises 0.4-1.5 parts of an auxiliary agent, wherein the auxiliary agent comprises a lubricant, and the lubricant comprises at least one of an ester lubricant, a silicone lubricant, montanic acid salt, ethylene bis-stearamide and polyethylene wax.
8. Nylon material according to claim 1 or 2, characterized in that the preparation method of the modified polyamide masterbatch comprises the following steps: Mixing the coupling agent with a solvent to obtain a coupling agent solution; mixing the coupling agent solution, the metal oxide and the polyamide to obtain a first mixture; and sequentially carrying out first plasticizing treatment and granulation on the first mixture to obtain the modified polyamide master batch.
9. A method of producing a nylon material according to any one of claims 1 to 8, comprising the steps of: Mixing the modified polyamide master batch and the odor adsorbent in proportion to obtain a second mixture; carrying out second plasticizing treatment on the second mixture, mixing glass fibers into a product of the second plasticizing treatment, and sequentially carrying out traction, cooling, granulating and drying to obtain the nylon material; preferably, the temperature of the second plasticizing treatment is 240 ℃ to 280 ℃.
10. A vehicle comprising a tunnel housing, the material of the tunnel housing comprising the nylon material of any one of claims 1 to 8 or the nylon material produced by the production method of claim 9.

Description

Nylon material, preparation method thereof and vehicle Technical Field The embodiment of the application relates to the technical field of high polymer materials, in particular to a nylon material, a preparation method thereof and a vehicle. Background Nylon, polyamide (PA), is a generic term for thermoplastic resins containing recurring amide groups (-NHCO-) in the molecular backbone, and includes aliphatic nylon, aromatic nylon, semi-aromatic nylon, specialty nylon Long Xin varieties, and the like. The nylon material has excellent mechanical properties, and has huge application in the automobile industry. The traditional nylon material for the automobile is easy to generate obvious pungent smell after being applied to interior trim parts of the automobile due to the degradation of the additive and the release of Volatile Organic Compounds (VOCs). There is currently no good solution to the above problems. Disclosure of Invention The embodiment of the application provides a nylon material, a preparation method thereof and a vehicle, which at least solve the technical problem of large smell after the nylon material is applied to the vehicle. According to one aspect of the embodiment of the application, the nylon material comprises, by weight, 60-82 parts of modified polyamide master batches, 15-35 parts of glass fibers and 1-5 parts of odor adsorbent, wherein the modified polyamide master batches comprise a coupling agent, a metal oxide and polyamide. Further, in the modified polyamide masterbatch, the mass ratio of the coupling agent to the metal oxide to the polyamide is (0.1-0.3): (0.8-1.2): 40. Further, the coupling agent is a silane coupling agent, for example, the silane coupling agent may be at least one of gamma-aminopropyl triethoxysilane (KH-550), gamma-mercaptopropyl trimethoxysilane, vinyl triethoxysilane, and gamma-glycidoxypropyl trimethoxysilane (KH-560), and further preferably the silane coupling agent is KH-550. Further, the metal oxide is at least one of magnesium oxide and zinc oxide. Further, the polyamide is at least one of polycaprolactam (PA 6), polyhexamethylene adipamide (PA 66), and polybutylene adipamide (PA 46). Further, the polyamide is PA66, and the relative viscosity of PA66 is 2.5-3.0. Further, the odor adsorbent comprises a molecular sieve and carbon nanotubes, and the mass ratio of the molecular sieve to the carbon nanotubes is (1-3) (0.5-1.5). Further, the molecular sieve comprises at least one of a 3A molecular sieve, a 4A molecular sieve, a 5A molecular sieve, a 13X molecular sieve, a Y molecular sieve, a ZSM-5 molecular sieve and a titanium silicalite molecular sieve. Further, the pore diameter of the molecular sieve is 0.3 nm-1.0 nm. Further, the diameter of the carbon nanotube is 1.0 nm-30 nm, and the length is 3.0 μm-250 μm. Further, the length of the glass fiber is 2 mm-5 mm, and the diameter of the glass fiber is 5 mu m-20 mu m. Further, the nylon material further comprises 0.4-1.5 parts of auxiliary agent, wherein the auxiliary agent comprises an antioxidant and a lubricant, and the mass ratio of the antioxidant to the lubricant is (0.1-0.5) (0.3-1). Further, the nylon material further comprises 0.4-1.5 parts of an auxiliary agent, wherein the auxiliary agent comprises an antioxidant, the antioxidant is at least one of a hindered phenol antioxidant and a phosphite antioxidant, the hindered phenol antioxidant further preferably comprises at least one of an antioxidant 1010, an antioxidant 1076 and an antioxidant 1098, and the phosphite antioxidant further preferably comprises an antioxidant 168. Further, the nylon material further comprises 0.4-1.5 parts of an auxiliary agent, wherein the auxiliary agent comprises a lubricant, and the lubricant comprises at least one of an ester lubricant, a silicone lubricant, montanic acid salt, ethylene bis-stearamide and polyethylene wax. Further, the preparation method of the modified polyamide master batch comprises the following steps: mixing a coupling agent and a solvent to obtain a coupling agent solution; Mixing a coupling agent solution, a metal oxide and a polyamide to obtain a first mixture; and sequentially carrying out first plasticizing treatment and granulation on the first mixture to obtain the modified polyamide master batch. According to another aspect of the embodiment of the present application, there is also provided a method for preparing a nylon material according to the above embodiment of the present application, including the steps of: Mixing the modified polyamide master batch and the odor adsorbent in proportion to obtain a second mixture; And (3) carrying out second plasticizing treatment on the second mixture, mixing glass fibers into a product of the second plasticizing treatment, and sequentially carrying out traction, cooling, granulating and drying to obtain the nylon material. Further, the temperature of the second plasticizing treatment is 240-280 ℃. According to another aspect of the embodimen