Preparation method for high polymer composite zirconia mobile phone back cover
A technology of composite zirconia and mobile phone back cover, which is applied in the field of ceramics, can solve the problems of improving toughness and molding characteristics, and achieve the effects of increasing toughness and molding characteristics, reducing energy efficiency loss, and lowering sintering temperature
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[0027] Example 1
[0028] A preparation method of a high polymer composite zirconia mobile phone back cover includes the following steps:
[0029] (1) Preparation of raw materials: the raw materials and weight parts for preparing the polymer composite zirconia mobile phone back cover include: 5 parts of mullite whiskers, 50 parts of zirconia powder, 15 parts of high polymer, and 5 parts of filler Parts, plasticizer 5 parts; high polymer is a copolymer of polyethylene terephthalate and polybutylene terephthalate; plasticizer is epoxy acetyl linolenic acid methyl ester;
[0030] (2) The said weight parts of mullite whiskers are added to a 40wt% ethylene glycol aqueous solution, and after stirring, a suspension with a mass fraction of 8% is uniformly formed, and then said weight parts of zirconia powder are added, Mix evenly to form a precursor suspension;
[0031] (3) Transfer the precursor suspension formed in (2) to a hydrothermal kettle, and react for 1 hour at a temperature of 160º...
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[0034] Example 2
[0035] A preparation method of a high polymer composite zirconia mobile phone back cover includes the following steps:
[0036] (1) Preparation of raw materials: the raw materials and weight parts for preparing the high polymer composite zirconia mobile phone back cover include: 8 parts of mullite whiskers, 80 parts of zirconia powder, 30 parts of high polymer, and 10 parts of filler Parts, 8 parts of plasticizer; high polymer is a copolymer of polyethylene terephthalate and polybutylene terephthalate; plasticizer is epoxy butyl furoate;
[0037] (2) Add the weight parts of mullite whiskers to a 60wt% ethylene glycol aqueous solution, stir to form a suspension with a mass fraction of 10%, and then add the weight parts of zirconia powder, Mix evenly to form a precursor suspension;
[0038] (3) Transfer the precursor suspension formed in (2) to a hydrothermal kettle, and react for 2 hours at a temperature of 180ºC and a pressure of 0.8MPa. The resulting product is wa...
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[0041] Example 3
[0042] A preparation method of a high polymer composite zirconia mobile phone back cover includes the following steps:
[0043] (1) Preparation of raw materials: the raw materials and weight parts for preparing the high polymer composite zirconia mobile phone back cover include: 5.5 parts of mullite whiskers, 60 parts of zirconia powder, 18 parts of high polymer, and 6 parts of filler Parts, 6 parts of plasticizer; high polymer is a copolymer of polyethylene terephthalate and polybutylene terephthalate; plasticizer is epoxy soy octyl oleate;
[0044] (2) The said weight parts of mullite whiskers are added to the 50wt% ethylene glycol aqueous solution, and the suspension is uniformly stirred to form a 9% mass fraction suspension, and then the said weight parts of zirconia powder are added, Mix evenly to form a precursor suspension;
[0045] (3) Transfer the precursor suspension formed in (2) to a hydrothermal kettle, and react for 1.5 hours at a temperature of 170ºC...
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