Low-temperature-resistant low-water-absorption modified nylon material and preparation method thereof
A technology of modified nylon and low water absorption, applied in the field of engineering plastic modification, can solve the problems of high water absorption, poor low temperature properties, low toughness of PA66 resin, and achieve the effects of low water absorption, good low temperature properties and excellent low temperature properties
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Example Embodiment
[0030]Example 1
[0031]The viscosity of 2.4 was selected from 66: 100 parts by weight; the viscosity was 2.7, 610:60 parts by weight; toughening agent: 10 parts by weight; antioxidant 1098 and an antioxidant 168 compound (1: 1): 0.5 weight Part.
[0032]The above components are respectively weighed according to the weight, and mixed 5 min in the high mixing machine, put the mixed raw material into the main feed opening of the screw machine, extruded granulation, the rotation speed of the screw machine is 300R / min, the processing temperature 230 ~ 290 ° C, resulting in the low temperature low water absorption modified nylon material according to the present embodiment, the normal temperature gap impact strength measured according to national standards 7.5kJ / m-2, Low temperature gap impact strength 8.2kJ / m-2, Water absorption is 0.4%.
Example Embodiment
[0033]Example 2
[0034]A nylon 66: 100 parts by weight of the viscosity is 2.2; the viscosity is 3.2 weight; toughen: 8 parts by weight; antioxidant 1098 and antioxidant 168 compound (1: 1): 1 weight Part.
[0035]The above components are respectively weighed according to the weight, and mixed 5 min in the high mixing machine, put the mixed raw material into the main feed opening of the screw machine, extruded granulation, the rotation speed of the screw machine is 300R / min, the processing temperature 230 ~ 290 ° C, resulting in the low temperature low water absorption modified nylon material according to the present embodiment, and the normal temperature gap impact strength is 7.2kJ / m according to the national standard-2, Low temperature gap impact strength 7.8kJ / m-2, Water absorption is 0.45%.
Example Embodiment
[0036]Example 3
[0037]The viscosity of 3.2 was selected from 66: 100 parts by weight; the viscosity was 3.5 weights 610:65 parts by weight; toughening agent: 14 parts by weight; antioxidant 1098 and antioxidant 168 compound (1: 1): 1 weight Part.
[0038]The above components are respectively weighed according to the weight, and mixed 5 min in the high mixing machine, put the mixed raw material into the main feed opening of the screw machine, extruded granulation, the rotation speed of the screw machine is 300R / min, the processing temperature From 230 ~ 290 ° C, it is obtained from the low temperature low water absorption modified nylon material, which is measured according to the national standard 8.1kj / m.-2, Low temperature gap impact strength 9.0kJ / m-2, Water absorption is 0.3%.
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap