Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of heat-resistant long glass fiber reinforced nylon composite material and preparation method thereof

A nylon composite material and a long glass fiber technology are applied in the long glass fiber reinforced nylon composite material and the preparation thereof, the heat-resistant long glass fiber reinforced nylon composite material and the preparation field thereof, and can solve the serious environmental pollution of cuprous iodide, The production process conditions are harsh and the composition of the thermal stabilizer is complex, so as to achieve the effect of improving the interface bonding force, good processing performance and increasing compatibility.

Inactive Publication Date: 2020-09-08
HEILONGJIANG XINDA ENTERPRISE GRP
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Patent application CN106479167A discloses a preparation method of high heat-resistant long glass fiber reinforced nylon 6 composite material, through barium stearate, aluminum stearate, potassium iodide, copper bromide, and N, N'-alkylaryl p-Phenylenediamine is prepared as a high-temperature heat stabilizer to enhance the thermal stability of nylon 6 composites, but the heat stabilizer has complex components, and some components are highly toxic. Among them, barium stearate will decompose under strong acid conditions. Decomposition, the production process conditions are very harsh
Patent application CN106883604A uses cuprous iodide as a heat stabilizer to increase the heat resistance of nylon, but cuprous iodide causes serious environmental pollution and requires strict pollutant discharge treatment, which greatly increases production costs

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of heat-resistant long glass fiber reinforced nylon composite material and preparation method thereof
  • A kind of heat-resistant long glass fiber reinforced nylon composite material and preparation method thereof
  • A kind of heat-resistant long glass fiber reinforced nylon composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Embodiment 1 Reinforced nylon 6 composite material and its preparation

[0043]

[0044]

[0045] The viscosity of the nylon 6 is 2.3;

[0046] The average length of the long glass fibers is 13 mm, and the average diameter is 11 μm;

[0047] The average particle diameter of the ultrafine fully vulcanized powder rubber is 130nm.

[0048] Preparation:

[0049] (1) Preparation of N-phenylmaleimide-maleic anhydride: N-phenylmaleimide and maleic anhydride are mixed according to the molar ratio of 2:1, add xylene and stir at 65°C for 60min , N 2 Add dicumyl peroxide under protection and raise the temperature to 110°C to react for 4 hours, and the obtained product is dissolved in acetone, precipitated with absolute ethanol, and dried to obtain the product;

[0050] (2) Surface treatment of long glass fibers: KH-550 was dissolved in 100% ethanol, long glass fibers were soaked in it for 35 minutes, and dried for later use;

[0051] (3) Dry nylon 6 and add it to a high...

Embodiment 2

[0053] Embodiment 2 Reinforced nylon 6 composite material and its preparation

[0054]

[0055]

[0056] The viscosity of the nylon 6 is 2.5;

[0057] The average length of the long glass fibers is 15 mm, and the average diameter is 10 μm;

[0058] The average particle diameter of the ultrafine fully vulcanized powder rubber is 50nm.

[0059] Preparation:

[0060] (1) Preparation of N-phenylmaleimide-maleic anhydride: N-phenylmaleimide and maleic anhydride are mixed according to the molar ratio of 3:1, after adding xylene, stir at 65°C for 70min , N 2 Add dicumyl peroxide under protection and heat up to 120°C to react for 3 hours, and the obtained product is dissolved in acetone, precipitated with absolute ethanol, and dried to obtain the product;

[0061] (2) Surface treatment of long glass fibers: KH-171 alkane is dissolved in 100% ethanol, long glass fibers are soaked in it for 35 minutes, and dried for later use;

[0062] (3) Dry nylon 6 and add it to a high-spe...

Embodiment 3

[0064] Embodiment 3 Reinforced nylon 6 composite material and its preparation

[0065]

[0066]

[0067] The viscosity of the nylon 6 is 2.4;

[0068] The average length of the long glass fibers is 12 mm, and the average diameter is 10 μm;

[0069] The average particle diameter of the ultrafine fully vulcanized powder rubber is 100nm.

[0070] Preparation:

[0071] (1) Preparation of N-phenylmaleimide-maleic anhydride: N-phenylmaleimide and maleic anhydride are mixed according to the molar ratio of 2:1, add xylene and stir at 60°C for 70min , N 2 Under protection, dicumyl peroxide was added and the temperature was raised to 110° C. to react for 4 hours. The obtained product was dissolved in acetone, precipitated with absolute ethanol, and dried.

[0072] (2) Surface treatment of long glass fibers: KH-550 was dissolved in 95% ethanol, the long glass fibers were soaked in it for 35 minutes, and dried for later use.

[0073] (3) Dry nylon 6 and add it to a high-speed m...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
particle sizeaaaaaaaaaa
lengthaaaaaaaaaa
Login to View More

Abstract

The invention provides a heat-resistant long glass fiber enhanced nylon composite material and a preparation method thereof. The heat-resistant long glass fiber enhanced nylon composite material is prepared from the following components of nylon 6, long glass fiber, superfine fully-vulcanized powdered rubber, N-phenylmaleimide-maleic anhydride, rare earth oxide, a lubricant, a coupling agent, an antioxidant and a flame-retardant agent through melting blending and double-screw extruding. The heat-resistant long glass fiber enhanced nylon composite material has the advantage that under the synergistic action of the superfine fully-vulcanized powdered rubber, the N-phenylmaleimide-maleic anhydride and the rare earth oxide, the heat-resistant property of the nylon composite material is obviously improved, so that the nylon composite material can be well applied to the preparation of automobile components and parts, instrument and meter parts, electromechanical components and parts, and electronic elements.

Description

technical field [0001] The invention belongs to the field of chemical materials, and relates to a long glass fiber reinforced nylon composite material and a preparation method thereof, in particular to a heat-resistant long glass fiber reinforced nylon composite material and a preparation method thereof. Background technique [0002] Nylon (Nylon) is the common name of polyamide (PA, Polyamide), which is obtained by polycondensation of dibasic acid and diamine or amino acid, and is a general term for resins containing repeated amide groups (-NHCO-) ​​in the molecular chain . Nylon varieties include: PA66, PA6, PA12, PA11, PA46, PA610, PA1010, PA612, PA6T and special nylon. Among them, PA66 and PA6 occupy an absolute dominant position in nylon products. [0003] Nylon 6 has excellent mechanical properties, wear resistance, oil resistance, weak acid and weak alkali resistance, and is widely used in automobiles, electronic appliances and other fields. However, due to its str...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/02C08L9/02C08L35/00C08L83/04C08L33/04C08L25/06C08L9/06C08K13/04C08K7/14C08K3/22C08K5/544C08K5/03C08K5/20C08J5/04
CPCC08J5/043C08J2377/02C08J2409/02C08J2425/06C08J2433/04C08J2435/00C08J2483/04C08K5/03C08K5/20C08K5/544C08K7/14C08K13/04C08K2003/2213
Inventor 魏东阳崔成杰谢众
Owner HEILONGJIANG XINDA ENTERPRISE GRP