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A thermoplastic polymer composite material with high nail-holding force and its preparation method and application

A thermoplastic polymer and composite material technology, applied in the field of profiles, can solve the problems of poor thermal insulation effect of door and window profiles, low welding angle strength, and difficult assembly.

Active Publication Date: 2021-04-27
NANTONG XINGCHEN SYNTHETIC MATERIAL +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, steel and aluminum are commonly used as the lining materials of profiles in the market, but there are the following problems: (1) The heat transfer coefficient of steel is high, which leads to poor insulation effect of door and window profiles and no energy saving; (2) The welding corners of traditional doors and windows Only the PVC (polyvinyl chloride) part is welded, and the strength of the weld angle is low, and cracking is prone to occur at the joint of the lining material; (3) the assembly is difficult and the cost is high; (4) the steel is not a renewable resource, and it is not compatible with the national Contrary to the requirements of energy saving and consumption reduction
[0003] Chinese patent CN102817529A etc. proposed to use reinforced polymer material instead of steel lining, but the compatibility between PBT (polybutylene terephthalate) and PVC is poor, which greatly reduces its reinforcing effect

Method used

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  • A thermoplastic polymer composite material with high nail-holding force and its preparation method and application
  • A thermoplastic polymer composite material with high nail-holding force and its preparation method and application
  • A thermoplastic polymer composite material with high nail-holding force and its preparation method and application

Examples

Experimental program
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Embodiment 1

[0045] This embodiment provides a thermoplastic polymer composite material with high nail-holding force, and its preparation method comprises the following steps:

[0046] 1) 2 parts by weight (the following parts are all parts by weight) maleic anhydride (MAH) and 98 parts by weight of PBT resin with a viscosity of 0.84dl / g were mixed and stirred at high speed for 5 minutes, and then the mixture was passed through a twin-screw with a length-to-diameter ratio of 40:1 Extrude and granulate with an extruder, the extrusion temperature is 170°C-260°C, and the screw speed is 320rpm; the PBT-MAH graft is obtained; it is then dried at 120°C for 2 hours before use;

[0047]2) Dry 36 parts of PBT resin with a viscosity of 0.84dl / g at 120°C for 2-4 hours, and control the moisture content to less than 0.05%; then add 3 parts of PBT-MAH graft, 0.1 part of antioxidant 1010, 0.1 part of antioxidant 168, 0.5 part of color masterbatch, 0.3 part of polyethylene wax; add to the mixer and mix at...

Embodiment 2

[0049] This embodiment provides a thermoplastic polymer composite material with high nail-holding force, and its preparation method comprises the following steps:

[0050] 1) 2 parts of maleic anhydride (MAH) and 98 parts of PBT resin with a viscosity of 1.05dl / g were mixed and stirred at high speed for 5 minutes, and then the mixture was extruded and granulated through a twin-screw extruder with a length-to-diameter ratio of 40:1. The temperature is 170°C-260°C, and the screw speed is 320rpm; the PBT-MAH graft is obtained; then dried at 120°C for 2 hours before use;

[0051] 2) Dry 66 parts of PBT resin with a viscosity of 1.05dl / g at 120°C for 2-4 hours, and control the moisture content to less than 0.05%; then add 3 parts of PBT-MAH graft, 0.1 part of antioxidant 1010, 0.1 part of antioxidant 168, 0.5 part of color masterbatch, 0.3 part of polyethylene wax; add to the mixer and mix at high speed for 5-10 minutes, and enter the twin-screw extruder from the metering feeder. ...

Embodiment 3

[0053] This embodiment provides a thermoplastic polymer composite material with high nail-holding force, and its preparation method comprises the following steps:

[0054] 1) 2 parts of maleic anhydride (MAH) and 98 parts of PBT resin with a viscosity of 0.90dl / g were mixed and stirred at high speed for 5 minutes, and then the mixture was extruded and granulated through a twin-screw extruder with a length-to-diameter ratio of 40:1. The temperature is 170°C-260°C, and the screw speed is 320rpm; the PBT-MAH graft is obtained; then dried at 120°C for 2 hours before use;

[0055] 2) Dry 51 parts of PBT resin with a viscosity of 0.90dl / g at 120°C for 2-4 hours, and control the moisture content to less than 0.05%; then add 3 parts of PBT-MAH graft, 0.1 part of antioxidant 1010, 0.1 part of antioxidant 168, 0.5 part of color masterbatch, 0.3 part of polyethylene wax; add to the mixer and mix at high speed for 5-10 minutes, and enter the twin-screw extruder from the metering feeder. ...

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Abstract

The invention relates to a thermoplastic polymer composite material with high nail-holding force, which is prepared from raw materials including base resin and polyester-maleic anhydride graft; the polyester-maleic anhydride graft is made of polyester It is co-extruded with maleic anhydride, wherein the mass percentage of polyester is 95-99%; the base resin is the same or different from the polyester forming the graft. The invention also provides the preparation method and application of the composite material. The composite material provided by the invention has the characteristics of good compatibility with PVC, high mechanical strength, high weld angle strength, high nail holding force, high and low temperature resistance, low water absorption, energy saving and environmental protection, and recyclable utilization, and can be applied to self-reinforcement Door and window profiles, panels, etc.

Description

technical field [0001] The invention relates to the field of profiles, in particular to a thermoplastic polymer composite material with high nail-holding force and a preparation method and application thereof. Background technique [0002] With the development of industrial technology, the requirements for building materials are getting higher and higher. At present, steel and aluminum are commonly used as the lining materials of profiles in the market, but there are the following problems: (1) The heat transfer coefficient of steel is high, which leads to poor insulation effect of door and window profiles and no energy saving; (2) The welding corners of traditional doors and windows Only the PVC (polyvinyl chloride) part is welded, and the strength of the weld angle is low, and cracking is prone to occur at the joint of the lining material; (3) the assembly is difficult and the cost is high; (4) the steel is not a renewable resource, and the national Contrary to the requir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/02C08L51/08C08K7/14C08F283/02C08F222/06
CPCC08F283/02C08L67/02C08L2201/08C08L2205/03C08L51/08C08K7/14C08F222/06
Inventor 汪永斌姚君胥保礼崔晓文戴伍国庞小琳
Owner NANTONG XINGCHEN SYNTHETIC MATERIAL
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