Polyformaldehyde composition and preparation method thereof
A polyoxymethylene composition and a technology for uniform mixing, applied in the field of polyoxymethylene composition and its preparation, can solve the problem that the tensile strength, flexural strength, flexural modulus, heat resistance and other properties are greatly reduced, and the polarity of the POM molecular chain is weak. , limiting the application of POM in the market, etc., to achieve the effect of simple preparation process, stable size and good impact resistance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Example Embodiment
[0032] Example 1:
[0033] The weight ratio of POM 23%, ABS 74%, compatibilizer 2.2%, lubricant 0.4%, 168 0.2%, 1076 0.2% are mixed uniformly in the mixer; put the mixed raw materials into the twin screw extruder The feeding hopper is melted, extruded, pelletized, fully plasticized, melted, compounded, extruded, stretched, cooled, pelletized, dried and packaged; the processing technology is as follows: Twin-screw extruder, zone 160- 170℃, zone two 160-180℃, zone three 160-180℃, zone four 170-190℃, zone five 170-190℃, zone six 160-180℃, zone seven 160-170℃, zone eight 160-170 ℃; The number of screw revolutions is controlled at 200-500 revolutions per minute; the residence time is 2-6 minutes.
Example Embodiment
[0034] Example 2:
[0035] The weight ratio of POM 35%, ABS 60%, compatibilizer 4.2%, lubricant 0.4%, 168 0.2%, 1076 0.2% are mixed uniformly in the mixer; put the mixed raw materials into the twin-screw extruder The feeding hopper is melted, extruded, pelletized, fully plasticized, melted, compounded, extruded, stretched, cooled, pelletized, dried and packaged; the processing technology is as follows: Twin-screw extruder, zone 160- 170℃, zone two 160-180℃, zone three 160-180℃, zone four 170-190℃, zone five 170-190℃, zone six 160-180℃, zone seven 160-170℃, zone eight 160-170 ℃; The number of screw revolutions is controlled at 200-500 revolutions per minute; the residence time is 2-6 minutes.
Example Embodiment
[0036] Example 3:
[0037] The weight ratio of POM 60%, ABS 35%, compatibilizer 4.2%, lubricant 0.6%, 168 0.2%, 1076 0.2% are mixed uniformly in the mixer; put the mixed raw materials into the twin-screw extruder The feeding hopper is melted, extruded, pelletized, fully plasticized, melted, compounded, extruded, stretched, cooled, pelletized, dried and packaged; the processing technology is as follows: Twin-screw extruder, zone 160- 170℃, zone two 160-180℃, zone three 160-180℃, zone four 170-190℃, zone five 170-190℃, zone six 160-180℃, zone seven 160-170℃, zone eight 160-170 ℃; The number of screw revolutions is controlled at 200-500 revolutions per minute; the residence time is 2-6 minutes.
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