Plastic-steel door and window section bar with excellent mechanical properties and method for preparing plastic-steel door and window section bar

A technology for plastic-steel doors and windows and profiles, applied in the field of doors and windows, can solve the problems of poor compatibility between inorganic fillers and PVC systems, poor toughness of plastic-steel door and window profiles, and reduced impact strength, so as to reduce thermal conductivity and moisture permeability. The effect of excellent mechanical properties and high flexural strength

Inactive Publication Date: 2019-05-10
郑州宝易信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with traditional aluminum alloy door and window profiles, plastic steel door and window profiles have the advantages of good thermal insulation, good sound insulation, and good air tightness, but also have disadvantages such as poor rigidity, so plastic steel door and window profiles cannot completely replace aluminum alloy door and window profiles at present.
[0003] Although in the prior art, by filling some inorganic fillers in the PVC system, the rigidity of the plastic-steel door and window profiles can be improved, but due to the poor compatibility of the inorganic fillers with the PVC system, with the addition of the inorganic fillers, it will lead to The toughness and impact strength of the obtained plastic-steel door and window profiles are greatly reduced

Method used

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  • Plastic-steel door and window section bar with excellent mechanical properties and method for preparing plastic-steel door and window section bar

Examples

Experimental program
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Effect test

Embodiment 1

[0023] A plastic-steel door and window profile with excellent mechanical properties provided in this embodiment is based on polyvinyl chloride, and its raw materials include the following components by weight: 25 kg of polyvinyl chloride, 10 kg of acrylonitrile-styrene copolymer, polystyrene And imidazole 5kg, microcrystalline paraffin 1kg, modified alkali-free glass fiber 4kg, modified Lycra fiber 2.5kg.

[0024] Wherein, the modified alkali-free glass fiber is alkali-free glass fiber double-modified by nano-titanium dioxide and potassium permanganate, and its specific modification method is: first soak the alkali-free glass fiber in high manganese In the potassium permanganate solution, the mass of the alkali-free glass fiber soaked in it is 10% of the mass of the potassium permanganate solution, and then the soaked alkali-free glass fiber is dried, and the nano-titanium dioxide is adsorbed on its surface by electrostatic adsorption technology , wherein the adsorption mass o...

Embodiment 2

[0031] A plastic-steel door and window profile with excellent mechanical properties provided by this embodiment is based on polyvinyl chloride, and its raw materials include the following components by weight: 15 kg of polyvinyl chloride, 20 kg of acrylonitrile-styrene copolymer, polystyrene And imidazole 10kg, microcrystalline paraffin 4kg, modified alkali-free glass fiber 7.5kg, modified Lycra fiber 6kg.

[0032] Wherein, the modified alkali-free glass fiber is alkali-free glass fiber double-modified by nano-titanium dioxide and potassium permanganate, and its specific modification method is: first soak the alkali-free glass fiber in high manganese In the potassium permanganate solution, the mass of the alkali-free glass fiber soaked in it is 10% of the mass of the potassium permanganate solution, and then the soaked alkali-free glass fiber is dried, and the nano-titanium dioxide is adsorbed on its surface by electrostatic adsorption technology , wherein the adsorption mass ...

Embodiment 3

[0039] A plastic-steel door and window profile with excellent mechanical properties provided in this embodiment is based on polyvinyl chloride, and its raw materials include the following components in parts by weight: 22.5 kg of polyvinyl chloride, 12.5 kg of acrylonitrile-styrene copolymer , polybenzimidazole 7.5kg, microcrystalline paraffin 1.5kg, modified alkali-free glass fiber 4kg, modified Lycra fiber 4.5kg.

[0040]Wherein, the modified alkali-free glass fiber is alkali-free glass fiber double-modified by nano-titanium dioxide and potassium permanganate, and its specific modification method is: first soak the alkali-free glass fiber in high manganese In the potassium permanganate solution, the mass of the alkali-free glass fiber soaked in it is 10% of the mass of the potassium permanganate solution, and then the soaked alkali-free glass fiber is dried, and the nano-titanium dioxide is adsorbed on its surface by electrostatic adsorption technology , wherein the adsorpti...

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Abstract

The invention discloses a plastic-steel door and window section bar with the excellent mechanical properties and a method for preparing the plastic-steel door and window section bar, and belongs to the technical field of doors and windows. Raw materials for the plastic-steel door and window section bar comprise, by weight, 30-50 parts of polyvinyl chloride, 20-40 parts of acrylonitrile-styrene copolymers, 10-20 parts of polybenzimidazole, 2-8 parts of microcrystalline paraffin wax, 8-15 parts of modified alkali-free glass fibers and 5-12 parts of modified lycra fibers. The method includes carrying out melt extrusion on the raw materials; carrying out mold forming to obtain the plastic-steel door and window section bar. The plastic-steel door and window section bar and the method have the advantages that the polyvinyl chloride is used as a matrix, components such as the modified alkali-free glass fibers and the modified lycra fibers are added into the polyvinyl chloride, accordingly, the high-strength and high-toughness plastic-steel door and window section bar can be prepared, and the problems of poor comprehensive mechanical properties and the like of existing plastic-steel door and window section bars can be solved by the aid of the plastic-steel door and window section bar and the method.

Description

technical field [0001] The invention relates to door and window technology, in particular to a plastic-steel door and window profile with excellent mechanical properties and a preparation method thereof. Background technique [0002] Plastic steel door and window profiles refer to a profile based on PVC (polyvinyl chloride). Compared with traditional aluminum alloy door and window profiles, plastic steel door and window profiles have the advantages of good thermal insulation, good sound insulation, and good air tightness, but also have disadvantages such as poor rigidity, so plastic steel door and window profiles cannot completely replace aluminum alloy door and window profiles at present. . [0003] Although in the prior art, by filling some inorganic fillers in the PVC system, the rigidity of the plastic-steel door and window profiles can be improved, but due to the poor compatibility of the inorganic fillers with the PVC system, with the addition of the inorganic fillers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L33/20C08L79/04C08L91/06C08L75/04C08K9/02C08K7/14
Inventor 不公告发明人
Owner 郑州宝易信息科技有限公司
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