Preparation method of grafted SiO2 particle cluster orientation reinforced polyester fiber
A technology of polyester fibers and particles, which is applied in the field of preparation of grafted SiO2 particle cluster orientation reinforced polyester fibers, which can solve the problems that composite fibers do not have reinforcing fibers and no reinforcing materials
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[0053] A grafted SiO 2 The preparation method of particle cluster orientation reinforced polyester fiber, comprising:
[0054] 100g of polyethylene terephthalate slices (PET semi-dull slices produced by Deli Chemical Fiber Co., Ltd., with an intrinsic viscosity of 0.678) were vacuum-dried at 125°C for 8 hours to obtain dried polyethylene terephthalate Slice the particles, control the water mass fraction at 2×10 -7 the following;
[0055] PMMA / SiO 2 Grafted composite microspheres (powder, Polymer, 2006, 47:4622~4629, pomegranate-like, pomegranate-like microspheres are composed of many nano-SiO 2 The particles are encapsulated in a polymethyl methacrylate latex particle, and are interconnected through the PMMA graft chain between the particles) and dried in vacuum at 125°C for 8h to obtain the dried PMMA / SiO 2 Graft composite microspheres, control the water mass fraction at 2×10 -7 the following;
[0056] The dried polyethylene terephthalate chip particles and the dried PM...
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