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Plastic steel sectional bar for fire-resistant window and preparation method of plastic steel section bar

A technology of fire-resistant windows and plastic steel, applied in the field of composite materials for construction, can solve the problems of PVC strength, toughness, and influence on the use of building materials, etc., achieve good flame retardancy, promote mechanical properties and flame retardancy, and stabilize high-efficiency plastic steel products Processing effect

Active Publication Date: 2020-11-06
四川中德塑钢型材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the addition of too many additives will inevitably affect the strength and toughness of PVC, which in turn will affect its use as a building material.

Method used

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  • Plastic steel sectional bar for fire-resistant window and preparation method of plastic steel section bar

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preparation example Construction

[0018] In order to ensure the processing performance of the plastic steel profiles in the prior art, a lot of processing aids are added, which greatly affects the mechanical properties of the plastic steel profiles. On the basis of the prior art, this application adds basalt fiber, basalt fiber It is a continuous fiber drawn from platinum-rhodium alloy drawing bushing at high speed after the basalt rock is melted at 1450℃~1500℃. The basalt continuous fiber not only has high strength, but also has many excellent properties such as electrical insulation, corrosion resistance and high temperature resistance. performance. The addition of basalt fiber greatly improves the mechanical properties of plastic steel profiles; however, because basalt fiber is an inorganic material, its dispersion in polyvinyl chloride resin is poor, and the amount of addition and the effect after addition are severely limited, so The basalt fiber of the present application is modified basalt fiber, and th...

Embodiment 1

[0036]This embodiment provides a kind of plastic-steel profile for fire-resistant windows, including the raw materials in the following weight ratios: 60 parts of polyvinyl chloride, 15 parts of activated calcium carbonate, 8 parts of impact-resistant ACR, 3 parts of polyethylene wax, and 10 parts of epoxy calcium oleate. 3 parts, 3 parts of epoxy zinc oleate, 5 parts of modified basalt fiber, 10 parts of modified aluminum hydroxide, 5 parts of ammonium polyphosphate, 3 parts of hindered phenol 168, 5 parts of resorcinol monobenzoate;

[0037] The above-mentioned modified basalt fiber is prepared by immersing the basalt fiber in the fiber modifier for 1 hour and then drying; the fiber modifier includes titanate coupling agent and silane coupling agent, titanate coupling agent and silane coupling agent The mass ratio is 1:1.

[0038] The above-mentioned modified aluminum hydroxide is prepared from aluminum hydroxide in a surface modifier. The surface modifier includes stearic a...

Embodiment 2

[0044] This embodiment provides a plastic-steel profile for fire-resistant windows, including raw materials in the following weight ratios: 80 parts of polyvinyl chloride, 20 parts of activated calcium carbonate, 12 parts of impact-resistant ACR, 2 parts of polyethylene wax, and 8 parts of modified basalt fiber Parts, 20 parts of modified aluminum hydroxide, 5 parts of ammonium polyphosphate, 3 parts of hindered phenol 168, 5 parts of resorcinol monobenzoate;

[0045] The above-mentioned modified basalt fiber is prepared by immersing the basalt fiber in the fiber modifier for 1 hour and then drying; the fiber modifier includes titanate coupling agent and silane coupling agent, titanate coupling agent and silane coupling agent The mass ratio is 2:1.

[0046] The above-mentioned modified aluminum hydroxide is prepared from aluminum hydroxide in a surface modifier. The surface modifier includes stearic acid, tetrabutyl titanate and silane coupling agent. The weight ratio of each ...

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Abstract

The invention provides a plastic steel sectional bar for a fire-resistant window. The plastic steel sectional bar comprises the following components in parts by weight: 60-80 parts of polyvinyl chloride, 15-20 parts of a filling agent, 8-12 parts of an impact modifier, 10-20 parts of a heat stabilizer, 5-8 parts of modified basalt fibers and 15-25 parts of a composite flame retardant; the modifiedbasalt fibers are prepared by impregnating crushed basalt fibers with a fiber modifier. The plastic steel sectional bar has excellent mechanical properties, processability and flame retardancy. The invention also provides a preparation method of the plastic steel sectional bar. The preparation method comprises the following steps of: (1) weighing raw materials in proportion; (2) fully mixing theraw materials, adding the mixture into a kneading machine, and mixing for 10-20 minutes at the temperature of 110-130 DEG C to obtain a mixed material; and (3) carrying out extrusion molding on the mixed material through an extruder to obtain the plastic steel sectional bar. The special-shaped plastic steel sectional bar suitable for being used as a building is prepared in a co-extrusion molding mode.

Description

technical field [0001] The invention relates to the technical field of building composite materials, in particular to a plastic-steel profile suitable for fire-resistant windows and a preparation method thereof. Background technique [0002] Plastic steel profile refers to the PVC profile used to make doors and windows. It is a new type of building material that is widely used. Due to its excellent physical properties such as rigidity, elasticity, corrosion resistance and aging resistance, it is usually used as copper, zinc, aluminum Good substitutes for non-ferrous metals. In housing construction, it is mainly used for push-pull, casement doors and windows, guardrails, pipes and ceiling materials. [0003] The viscous flow temperature of PVC is 136°C, and the decomposition temperature is 140°C. The two are very close, so the processing of PVC is very difficult. It is often necessary to add lubricants to reduce the viscous flow temperature, and / or add stabilizers to increas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08K13/06C08K9/10C08K9/06C08K9/04C08K7/10C08K3/22C08K3/32C08K5/1515C08J5/06
CPCC08J5/06C08J2327/06C08K13/06C08K9/10C08K9/06C08K9/04C08K7/10C08K5/1515C08K2003/2227C08K2003/323C08K2201/014
Inventor 程杰苗小冬
Owner 四川中德塑钢型材有限公司