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A kind of polypropylene warm edge spacer and preparation method thereof

A warm edge spacer and polypropylene technology, which is applied in the field of polymer composite materials, can solve the problems of easy warping and die precipitation, and achieves improved bonding state, small warpage deformation, and improved warpage deformation. Effect

Active Publication Date: 2022-06-21
青岛中新华美塑料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention aims at the technical problem that the glass fiber composite material is used to prepare the warm-edge spacer in the above-mentioned background technology, and die precipitates and warpage are prone to occur during extrusion. The present invention provides a polypropylene warm-edge spacer and its preparation method to effectively solve the die precipitates in the production process, thereby realizing continuous and stable production, and the prepared warm edge spacer has ultra-high rigidity and straightness

Method used

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  • A kind of polypropylene warm edge spacer and preparation method thereof
  • A kind of polypropylene warm edge spacer and preparation method thereof
  • A kind of polypropylene warm edge spacer and preparation method thereof

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preparation example Construction

[0035] The present invention also provides a preparation method of the polypropylene warm edge spacer described in the above scheme, comprising the following steps:

[0036] 1) mixing each raw material and sequentially extruding, drawing, cooling, dicing and drying to obtain granular products;

[0037] 2) Extruding the granular product obtained in the step 1) to obtain polypropylene warm edge spacers.

[0038] In the present invention, the raw materials are mixed and sequentially extruded, drawn, cooled, pelletized and dried to obtain pelletized products. In the present invention, it is preferable to use a twin-screw extruder for extrusion, and the glass fiber and mica are transferred from the side feeder to the twin-screw extruder, and the remaining components are transferred from the main feeder to the twin-screw extruder. middle. In the present invention, the temperature of the barrel of the extruder is preferably 200-220° C., and the extruder is extruded from the head af...

Embodiment 1

[0041] In parts by weight, weigh 35 parts of extrusion grade polypropylene, 10 parts of compatibilizer, 5 parts of mica, 50 parts of glass fiber, 0.15 part of antioxidant 1010, 0.15 part of antioxidant 168, 0.4 part of weathering agent, 0.1 part of nucleating agent, 3 parts of silicone powder, 0.1 part of fluoroelastomer, 0.5 part of deodorant and 1 part of black masterbatch. The glass fiber and mica are transferred from the side feeder to the twin-screw extruder, and the remaining components are transferred from the main feeder to the twin-screw extruder. The temperature of the barrel of the extruder is controlled to be 200-220°C, and it is extruded from the head after high-speed twin-screw shearing, mixing and cooling. After extrusion, stranding, cooling, dicing and drying are performed in sequence to obtain granular products. The obtained granular product is then extruded to obtain polypropylene warm edge spacers.

Embodiment 2

[0043] Except the composition of raw materials is different, other operation steps are exactly the same as in Example 1. The specific composition of raw materials is, in parts by weight, weighing 45 parts of extrusion grade polypropylene, 5 parts of compatibilizer, 15 parts of mica, 35 parts of glass fiber, 0.4 part of antioxidant 1010, 0.4 part of antioxidant 168, and weathering agent 0.2 part, 0.3 part of nucleating agent, 1 part of silicone powder, 0.3 part of fluoroelastomer, 0.1 part of deodorant and 3 parts of black masterbatch.

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Abstract

The invention discloses a polypropylene warm edge spacer and a preparation method thereof, belonging to the technical field of polymer composite materials. The polypropylene warm edge spacer comprises the following raw material components in parts by weight: 35-45 parts of extrusion grade polypropylene, 5-10 parts of compatibilizer, 5-15 parts of mica, 35-50 parts of glass fiber, antioxidant 0.3-0.8 parts of anti-corrosion agent, 0.2-0.4 parts of weather resistance agent, 0.1-0.3 parts of nucleating agent, 1-3 parts of silicone powder and 0.1-0.3 parts of fluoroelastomer. The polypropylene warm edge spacer provided by the present invention can effectively solve the mold precipitation in the production process, avoid scratches on the surface of the warm edge spacer and mold scratches, thereby realizing continuous and stable production, and the prepared warm edge The spacer has ultra-high rigidity and straightness.

Description

technical field [0001] The invention relates to the technical field of polymer composite materials, in particular to a polypropylene warm edge spacer and a preparation method thereof. Background technique [0002] Insulating glass is a new type of building material that has good heat insulation, sound insulation, beautiful appearance, and can reduce the weight of buildings. The various properties of insulating glass are superior to ordinary double-layer glass, so it has been recognized by countries all over the world. Insulating glass is to evenly separate two or more pieces of glass with effective support and seal the periphery, so that a dry gas is formed between the glass layers. glassware for space. The main materials are glass, warm edge spacers, corner bolts, butyl rubber, polysulfide rubber, and desiccant. [0003] Warm edge spacer refers to the spacer made of low thermal conductivity material, which is used to reduce the heat conduction at the edge of the insulatin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08L83/04C08L101/04C08K13/04C08K7/14C08K3/34
CPCC08L23/12C08L2205/035C08L2205/18C08L2205/08C08L83/04C08L101/04C08K13/04C08K7/14C08K3/34
Inventor 赵成方曹沛常胜张兆亭聂政郭彬张彩城王东
Owner 青岛中新华美塑料有限公司
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