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A kind of preparation method of zirconia ceramic ferrule

A zirconia ceramic and zirconia technology, applied in the field of preparation of zirconia ceramic ferrule, can solve the problems of easy deformation and low precision of the ferrule, and achieve the effects of improving thermomechanical properties, high precision and excellent linear expansion coefficient

Active Publication Date: 2018-02-27
NINGBO BRIGHT PHOTOELECTRIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the ceramic ferrule in the prior art is easily deformed and has low precision

Method used

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  • A kind of preparation method of zirconia ceramic ferrule
  • A kind of preparation method of zirconia ceramic ferrule
  • A kind of preparation method of zirconia ceramic ferrule

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preparation example Construction

[0037] The embodiment of the present invention discloses a method for preparing a zirconia ceramic ferrule, which includes the following steps:

[0038] Step a) mixing nano titanium dioxide, magnesium oxide, scandium oxide, samarium oxide, holmium oxide, zinc oxide and zirconium oxide, adding oleic acid after pre-calcination, mixing by ball milling, and obtaining a zirconium oxide powder substrate after sieving;

[0039] Step b) adding the zirconia powder base material and high-melt-strength polypropylene into an internal mixer, mixing and stirring, adding polyethylene glycol monomethyl ether, microcrystalline wax, oleic acid amide, and adding ethylene-vinyl acetate after stirring Stir the copolymer, PBT, polyurethane elastomer and polyaldehyde resin, heat up to 140-144°C, then add adipic acid dioctanoic acid, heat up to 160-180°C after stirring, cool after banburying, and obtain a gelatinous substance;

[0040] Step c) compressing the gelatinous substance into tablets, pulver...

Embodiment 1

[0085] Step 1, the nano-titanium dioxide of 1 weight part, the magnesium oxide of 2 weight parts, the scandium oxide of 1 weight part, the samarium oxide of 2 weight parts, the holmium oxide of 1 weight part, the zinc oxide of 1 weight part and 92 weight parts of After the zirconia is uniformly mixed, it is pre-sintered at 700° C. for 2 hours, and then 3 parts by weight of oleic acid are added for ball milling, mixing and sieving to obtain a zirconia powder base material.

[0086] The specific process of step 2 is as follows:

[0087] Step 2a, mixing the above-mentioned prepared zirconia powder substrate with organic carriers such as binder, surface active agent and plasticizer in a certain proportion, the raw materials used in this step include in parts by weight:

[0088]

[0089]

[0090] Raise the temperature of the internal mixer to 100°C, then add the above-mentioned weight parts of zirconia powder base material and high-melt-strength polypropylene into the above-m...

Embodiment 2

[0111] Step 1, the nano-titanium dioxide of 1 weight part, the magnesium oxide of 2 weight parts, the scandium oxide of 1 weight part, the samarium oxide of 2 weight parts, the holmium oxide of 1 weight part, the zinc oxide of 1 weight part and 92 weight parts of After the zirconia is uniformly mixed, it is pre-sintered at 680° C. for 1.5 hours, and then 4 parts by weight of oleic acid are added for ball milling, mixing and sieving to obtain a zirconia powder base material.

[0112] The specific process of step 2 is as follows:

[0113] Step 2a, mixing the above-mentioned prepared zirconia powder substrate with organic carriers such as binder, surface active agent and plasticizer in a certain proportion, the raw materials used in this step include in parts by weight:

[0114]

[0115]

[0116] Raise the temperature of the internal mixer to 105°C, then add the above-mentioned weight parts of zirconia powder base material and high-melt-strength polypropylene into the above...

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Abstract

The invention provides a preparation method of a zirconia ceramic ferrule and a preparation method of a zirconia powder base material used for the zirconia ceramic ferrule. The titanium dioxide used in the present invention makes the material have excellent fluidity in the injection molding process, and the synergistic effect of magnesium oxide, zinc oxide and titanium oxide obtains better linear expansion coefficient and thermal stress performance than pure zirconia ceramics, and improves the entire system at the same time Excellent thermomechanical properties make the material have high strength. Second, ethylene-vinyl acetate copolymer has high elasticity and toughness. Polyurethane elastomer, polyacetal resin, high-melt strength polypropylene, etc. are interspersed in zirconia powder through ethylene-vinyl acetate copolymer to polymerize these organic The adhesive forms a structure that intersects the network very well, and a stable structural system is obtained, so that the formed ceramic ferrule is not easily deformed. Third, the polyaldehyde resin is used as an organic binder to make the molded body have high strength, good shape retention, fast degreasing speed and high precision.

Description

technical field [0001] The invention relates to the technical field of ceramic electronic components, in particular to a preparation method of a zirconia ceramic ferrule. Background technique [0002] In the field of optical fiber communication technology, optical fiber connectors can be used to transmit optical signals, and their core and basic components are ferrules, which play the role of media for connection, conversion, and data transmission. They are the most basic and important components of a series of optical communication products. Passive components. [0003] Optical fiber connectors, commonly known as live joints, are passive components used to stably but not permanently connect two or more optical fibers. The non-permanent fixed connection between optical fibers is an indispensable passive component in optical fiber communication systems. The most commonly used ceramic materials are alumina and 3mol yttrium oxide not completely stabilized zirconia (PSZ). Amo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/49C04B35/634
Inventor 曹波
Owner NINGBO BRIGHT PHOTOELECTRIC TECH
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