Glass fiber reinforced NPG-PETG transparent composite material and preparation method thereof
A technology of glass fiber and composite materials, which is applied in the field of glass fiber reinforced NPG-PETG transparent composite materials and its preparation, which can solve the problems of low toughness and achieve the effects of high fluidity, high surface gloss and high impact strength
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[0033] Example 1:
[0034] A glass fiber reinforced NPG-PETG transparent composite material. Each component in the raw material is calculated in parts by weight, including 50 parts of NPG-PETG, 50 parts of modified glass fibers, 0.9 parts of antioxidants, and 0.3 parts of lubricants.
[0035] The above NPG-PETG is formed by esterification and condensation polymerization of three monomers: neopentyl glycol, ethylene glycol and terephthalic acid.
[0036] Stearate is selected for the above lubricant.
[0037] The antioxidant 1010 is a phenolic antioxidant.
[0038] The preparation method of the above modified glass fiber includes the following steps:
[0039] S1: Take an appropriate amount of glass fiber with a length of 3-4.5mm and a monofilament diameter of 8-17μm into a 9.5mol / L phosphoric acid solution, where the mass ratio of the glass fiber to the phosphoric acid solution is 1:25, and stir for 3min at room temperature;
[0040] S2: Filter the treated glass fiber from the phosphoric ac...
Example Embodiment
[0048] Example 2:
[0049] A glass fiber reinforced NPG-PETG transparent composite material. Each component in the raw material is calculated in parts by weight, including 60 parts of NPG-PETG, 40 parts of modified glass fiber, 0.1 part of antioxidant, and 0.6 part of lubricant.
[0050] The above NPG-PETG is formed by esterification and condensation polymerization of three monomers: neopentyl glycol, ethylene glycol and terephthalic acid.
[0051] The above-mentioned lubricants are fatty alcohol diacid esters.
[0052] The antioxidant 168 is a phosphite lipid antioxidant.
[0053] The preparation method of the above modified glass fiber includes the following steps:
[0054] S1: Take an appropriate amount of glass fiber with a length of 3-4.5mm and a monofilament diameter of 8-17μm into a 9.5mol / L phosphoric acid solution, where the mass ratio of the glass fiber to the phosphoric acid solution is 1:26, and stir for 6min at room temperature;
[0055] S2: Filter the treated glass fiber fro...
Example Embodiment
[0063] Example 3:
[0064] A glass fiber reinforced NPG-PETG transparent composite material. Each component in the raw material is calculated in parts by weight, including 75 parts of NPG-PETG, 30 parts of modified glass fibers, 1.8 parts of antioxidants, and 0.5 parts of lubricants.
[0065] The above NPG-PETG is formed by esterification and condensation polymerization of three monomers: neopentyl glycol, ethylene glycol and terephthalic acid.
[0066] The above-mentioned lubricants are stearic acid esters and fatty alcohol diacid esters, and the ratio of the two is 1:1.
[0067] The above-mentioned antioxidants are phenolic antioxidants 1010 and phosphite antioxidants 168, where 1010 and 168 are 1:2.
[0068] The preparation method of the above modified glass fiber includes the following steps:
[0069] S1: Take an appropriate amount of glass fiber with a length of 3-4.5mm and a monofilament diameter of 8-17μm into a 9.5mol / L phosphoric acid solution, where the mass ratio of the glass ...
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