Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Halogen-free flame-retardant co-polymerized polyamide 66 resin and preparation method thereof

A technology for copolymerizing polyamide and polyamide, applied in the direction of single-component polyamide rayon, etc., can solve the problems affecting the flame retardant performance and mechanical performance of flame retardant polyamide 66, and the decomposition of flame retardant, and achieve high mechanical performance. , Improve the flame retardant performance, the effect of good flame retardant effect

Active Publication Date: 2015-12-09
SICHUAN DONGFANG INSULATING MATERIAL
View PDF4 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it does not solve the problem that the flame retardant in the polyamide 66 is decomposed due to high temperature during the polymerization and processing, which affects the flame retardancy and mechanical properties of the flame retardant polyamide 66.

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
  • Halogen-free flame-retardant co-polymerized polyamide 66 resin and preparation method thereof
  • Halogen-free flame-retardant co-polymerized polyamide 66 resin and preparation method thereof
  • Halogen-free flame-retardant co-polymerized polyamide 66 resin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-1

[0043] The phosphine oxide dibasic acid BCPPO and 1,6-hexamethylenediamine were selected as reactants, and the temperature in the heating interval was set at 80°C to prepare 910 mol / time of organic phosphine ammonium salt (1#) for future use.

Embodiment 1-2

[0045] The phosphine oxide dibasic acid BBPPO and 1,6-hexanediamine were selected as reactants, and the temperature in the heating interval was set at 80°C to prepare 860 mol / time of organic phosphine ammonium salt (2#) for future use.

Embodiment 1-3

[0047] Select phosphine oxide dibasic acid CEMPO and 1,6-hexanediamine as reactants, and set the temperature in the heating interval to 80°C to prepare 900 moles of organic phosphonium ammonium salt (3#) for future use.

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
melting pointaaaaaaaaaa
tensile strengthaaaaaaaaaa
tensile strengthaaaaaaaaaa
Login to View More

Abstract

The invention discloses halogen-free flame-retardant co-polymerized polyamide 66 resin and a preparation method thereof. The preparation method is characterized in that phosphine oxide binary acid and conventional diamine are used for preparing organic ammonium phosphate which is used as a flame-retardant component to be co-polymerized with polyamide salt to prepare the halogen-free flame-retardant co-polymerized flame-retardant polyamide 66 resin. The halogen-free co-polymerized flame-retardant polyamide 66 resin is a milk-white non-crystallized glass-like polymer, a melting range is 260 to 270 DEG C, and the relative viscosity is 2.75 to 2.90; total phosphorus content of the halogen-free co-polymerized flame-retardant polyamide 66 resin material is 0.6 to 0.8 percent, the flame-retardant level is UL-94V-0 level, the tensile strength is greater than or equal to 80.0 MPa, and an elongation at break is 64.5 percent to 68.5 percent. The halogen-free flame-retardant co-polymerized polyamide 66 resin has characteristics of no halogen, flame retardance, high viscosity, no melting drop and high mechanical strength and can be widely applied to the field of fibers and spinning.

Description

technical field [0001] The invention belongs to polyamide and its preparation. It relates to a halogen-free flame-retardant copolymerized polyamide 66 resin and a preparation method thereof. The halogen-free flame-retardant copolymerized polyamide 66 resin of the present invention has the characteristics of halogen-free flame retardancy, high viscosity, no droplet and high mechanical strength, and can be widely used in the fields of fibers and textiles. Background technique [0002] At present, the halogen-free flame retardant of polyamide is mainly achieved through two ways: (1) using additive flame retardant in polyamide resin, that is, adding flame retardant to polyamide by mechanical blending method, so that It obtains flame retardancy; whether flame-retardant polyamide fibers or flame-retardant engineering plastics are prepared by this method, it has a certain impact on the application of flame-retardant polyamide resins. At present, the flame retardant modification o...

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): C08G69/42D01F6/90
Inventor 余莉袁港李建学贾锐
Owner SICHUAN DONGFANG INSULATING MATERIAL
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com