Light high-wave-transmissivity composite material and preparation method thereof
A composite material and high-transparency technology, applied in the field of materials, can solve problems such as inability to meet the matching requirements of ultra-high temperature processes, and achieve the effects of easy control of the foaming process, fast decomposition speed, and uniform cells
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Embodiment 1
[0036] A method for preparing a lightweight high wave-transmitting composite material, comprising the following steps:
[0037] Step 1: Prepare raw materials: 55 parts of polyetheretherketone with a melt index of 90g / 10min and a crystallinity of 30%, 5 parts of polyethersulfone with a tensile strength of 90MPa, 40 parts of basalt fiber, 5 parts of magnesium carbonate, ethylene 1 part of dilauric acid amide, wherein the sizing agent for basalt fiber is polyimide emulsion
[0038] Step 2: Add polyether ether ketone, polyether sulfone, and ethylene bislauric acid amide into the mixer according to parts by weight, and pre-mix for 3 minutes to obtain a mixture;
[0039] Step 3: Add the obtained mixture into the twin-screw extruder through the hopper, introduce the basalt fiber into the extruder through the side feeder, and undergo meshing plasticization, mixing, extrusion, drawing, air-drying, and granulation to obtain A fiber-reinforced polyetherketone composite material, wherein...
Embodiment 2
[0042] A method for preparing a lightweight high wave-transmitting composite material, comprising the following steps:
[0043] Step 1: Prepare raw materials: 70 parts of polyether aromatic ketone with a melt index of 20g / 10min and a crystallinity of 20%, 20 parts of polyethersulfone with a tensile strength of 85MPa, 10 parts of quartz fiber, 1 part of sodium nitrate, silicone 0.2 part, wherein, the sizing agent of quartz fiber is nylon emulsion;
[0044] Step 2: Add polyether aryl ketone, polyether sulfone, and silicone into the mixer according to parts by weight, and pre-mix for 6 minutes to obtain a mixture;
[0045] Step 3: Add the obtained mixture into the twin-screw extruder through the hopper, introduce the quartz fiber into the extruder through the side feeder, and undergo meshing plasticization, mixing, extrusion, drawing, air-drying, and granulation to obtain A fiber-reinforced polyetherketone composite material, wherein the extrusion temperature is 280-380°C;
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Embodiment 3
[0048] A method for preparing a lightweight high wave-transmitting composite material, comprising the following steps:
[0049] Step 1: Prepare raw materials: 75 parts of polyether ether ketone ketone with a melt index of 100g / 10min and a crystallinity of 40%, 10 parts of polyethersulfone with a tensile strength of 95MPa, 20 parts of basalt fiber, 4 parts of magnesium hydroxide, 0.5 part of ethylene bislauric acid amide, wherein, the sizing agent of basalt fiber is polyurethane emulsion;
[0050] Step 2: Add polyether ether ketone ketone, polyether sulfone, and ethylene bislauric acid amide into the mixer according to parts by weight, and pre-mix for 5 minutes to obtain a mixture;
[0051] Step 3: Add the obtained mixture into the twin-screw extruder through the hopper, introduce the basalt fiber into the extruder through the side feeder, and undergo meshing plasticization, mixing, extrusion, drawing, air-drying, and granulation to obtain A fiber-reinforced polyetherketone co...
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