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High thermal conductivity antibacterial weather-resistant PC/AS composite material and preparation method thereof
The invention relates to a high thermal conductivity, antibacterial and weather-resistant PC/AS composite material and its preparation method. The composite material is prepared from the following raw materials in parts by mass: 40 to 60 parts of polycarbonate resin, 5 to 30 parts of acrylonitrile-styrene copolymer, 5 to 15 parts of acrylic impact modifier, 1
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Double tractor for the rear end of aluminum profile extruder
The invention discloses a double tractor applied to the rear end of an aluminum profile extruder, comprising a support frame. A first traction mechanism and a second traction mechanism are installed on the support frame, and a cutting mechanism and a guide frame are respectively arranged on both sides of the support frame. Aluminum profiles
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Metal foam extrusion method and products manufactured thereby
A method for manufacturing metal foam inside a pipeline includes extruding a metal conduit, injecting metal foam powder into the inner cavity of the metal conduit, and activating the foam powder to form integrated metal foam inside the conduit. A device for producing metal foam includes an extruder equipped with one or multiple screws to
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Combined recycling method for composite materials based on thermoplastic polymer matrix
The invention relates to a combined recycling method for recycled products composed of fiber-reinforced composite materials and thermoplastic polymers, preferably (meth)acrylic polymer matrix. The recycling method includes the following steps: introducing the first recycled product containing fiber-reinforced composite materials into a dedicated thermoplastic polymer recycling system; adding the second recycled product composed of pure thermoplastic
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Method for preparing (co) polyesters
The invention discloses a method for preparing copolyesters and polyesters in a degassing device. The copolyesters and polyesters are at least partially composed of 1,4-butanedicarboxylate units. The method is characterized in that crude polyester products are degassed under a pressure of 5 to 300 mbar with the addition of 0.1 wt% to 5 wt% entrainers
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Fluorescent whitening masterbatch as well as preparation method and application thereof
The invention discloses a fluorescent whitening masterbatch as well as its preparation method and application. The fluorescent whitening masterbatch is composed of fluorescent whitening pigment, carrier resin and fumed silica. The masterbatch can meet the whitening and brightening requirements of photo paper, avoid pigment agglomeration in the plastic coating layer of photo paper, and stably
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