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

Preparation method of engineering plastics with good comprehensive performance

A technology of engineering plastics and comprehensive performance, applied in the field of engineering plastics, can solve the problems of different raw materials, large performance differences, poor flame retardancy and mechanical properties, etc., and achieve high specific strength, excellent water resistance, and good flame retardancy.

Inactive Publication Date: 2018-12-21
HEFEI WANZHIJING DOORS & WINDOWS CO LTD
View PDF6 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve the defects of poor flame retardancy and mechanical properties of flame-retardant nylon engineering plastics in the prior art, the present invention provides a P-N type flame retardant, flame-retardant masterbatch, flame-retardant nylon engineering plastics and a preparation method thereof
The general structural formula of the P-N flame retardant provided by the present invention is as follows: wherein R1 is a benzyl or aryl functional group, R2, R3 are alkyl or hydrogen, R4, R5 are alkyl or hydrogen, wherein n≥2, preferably 2-6. The raw materials are different, and the performance is quite different. At the same time, the present invention pays attention to the flame retardant performance, but the acid and alkali resistance performance still needs to be further improved

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
  • Preparation method of engineering plastics with good comprehensive performance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for preparing engineering plastics with good comprehensive performance in this embodiment comprises the following steps:

[0028] Step 1: Weigh the following raw materials in parts by weight: 34 parts of polyphenylene ether resin, 28 parts of modified furan resin, 6 parts of antifungal agent, 16 parts of silanized graphene oxide, 11 parts of nano ceramic powder, 3 parts of halogen-free flame retardant part, 2 parts of compatibilizer;

[0029] In step 2, the raw materials in step 1 are sequentially added to a high-speed mixer for mixing, the mixing speed is 750r / min, and the stirring time is 35min, and then added to a twin-screw extruder for extrusion, and the extrusion temperature is 155°C. Promptly obtain the engineering plastic with good comprehensive performance of the present invention.

[0030] The antifungal agent of the present embodiment is tetrachloroisophthalonitrile emulsion.

[0031] The particle size of the nano-ceramic powder in this embodiment ...

Embodiment 2

[0041] A method for preparing engineering plastics with good comprehensive performance in this embodiment comprises the following steps:

[0042] Step 1: Weigh the following raw materials in parts by weight: 38 parts of polyphenylene ether resin, 32 parts of modified furan resin, 12 parts of antifungal agent, 22 parts of silanized graphene oxide, 15 parts of nano ceramic powder, 6 parts of halogen-free flame retardant 4 parts, 4 parts of compatibilizer;

[0043] In step 2, the raw materials in step 1 are sequentially added to a high-speed mixer for mixing, the mixing speed is 850r / min, and the stirring time is 45min, and then added to a twin-screw extruder for extrusion, and the extrusion temperature is 165°C. Promptly obtain the engineering plastic with good comprehensive performance of the present invention.

[0044] The antifungal agent of the present embodiment is tetrachloroisophthalonitrile emulsion.

[0045] The particle size of the nano-ceramic powder in this embodim...

Embodiment 3

[0055] A method for preparing engineering plastics with good comprehensive performance in this embodiment comprises the following steps:

[0056] Step 1: Weigh the following raw materials in parts by weight: 36 parts of polyphenylene ether resin, 30 parts of modified furan resin, 9 parts of antifungal agent, 19 parts of silanized graphene oxide, 14 parts of nano ceramic powder, 4.5 parts of halogen-free flame retardant parts, 3 parts of compatibilizer;

[0057] In step 2, the raw materials in step 1 are sequentially added to a high-speed mixer for mixing, the mixing speed is 8000r / min, and the stirring time is 40min, and then added to a twin-screw extruder for extrusion, and the extrusion temperature is 160°C. Promptly obtain the engineering plastic with good comprehensive performance of the present invention.

[0058] The antifungal agent of the present embodiment is tetrachloroisophthalonitrile emulsion.

[0059] The particle size of the nano-ceramic powder in this embodim...

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 diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention discloses a preparation method of engineering plastics with good comprehensive performance. The preparation method comprises the following steps: step I: weighing the following raw materials in parts by weight: 34 to 38 parts of polyphenyl ether resin, 28 to 32 parts of modified furan resin, 6 to 12 parts of a mildew preventive, 16 to 22 parts of silanized graphene oxide, 11 to 15 parts of nano ceramic powder, 3 to 6 parts of a halogen-free flame retardant, and 2 to 4 parts of a compatilizer. By adopting the preparation method of the engineering plastics with good comprehensive performance, the engineering plastics are good in mechanical performance, resistant to acid and alkali, stable in chemical performance, and excellent in flame-retardant performance, and the material formula is suitable for the engineering plastics.

Description

technical field [0001] The invention relates to the technical field of engineering plastics, in particular to a preparation method of engineering plastics with good comprehensive performance. Background technique [0002] Engineering plastics refer to a class of high-performance polymer materials that can be used as structural materials, withstand mechanical stress in a wide temperature range, and be used in harsh chemical and physical environments. Generally refers to plastics that can withstand certain external forces, have good mechanical properties and dimensional stability, and can still maintain their excellent properties at high and low temperatures. They can be used as engineering structural parts. Therefore, engineering plastics require excellent performance, otherwise It will limit the technical development of engineering plastics. [0003] The existing Chinese patent document (publication number: CN101445650B) discloses a kind of halogen-free flame-retardant poly...

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 Applications(China)
IPC IPC(8): C08L71/02C08L97/02C08L61/00C08K13/06C08K9/06C08K3/04C08K5/523
CPCC08K2201/003C08K2201/011C08L71/02C08L2201/02C08L97/02C08L61/00C08K13/06C08K9/06C08K3/042C08K5/523
Inventor 武娟
Owner HEFEI WANZHIJING DOORS & WINDOWS CO LTD