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A kind of preparation method of anti-aging zirconia ceramic ferrule

A zirconia ceramic and anti-aging technology, which is applied in the field of ceramic electronic components, can solve the problems of low pass rate of blank quality and poor anti-aging performance, and achieve the effects of good fluidity, strong mold release performance and high pass rate

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

[0004] In order to prepare the high-precision and high-performance zirconia ceramic ferrule body required by the above, at present, domestic and Japan-based countries all use Japanese injection molding to produce zirconia ceramic ferrules. However, Japan traditionally produces zirconia ceramic ferrules. The injection molding method of the ceramic ferrule has many defects, mainly in: 1. The pass rate of blank quality is low; 2. The anti-aging performance is poor

Method used

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  • A kind of preparation method of anti-aging zirconia ceramic ferrule
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  • A kind of preparation method of anti-aging zirconia ceramic ferrule

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preparation example Construction

[0033] The embodiment of the present invention discloses a method for preparing an anti-aging zirconia ceramic ferrule, which includes the following steps:

[0034] Step a) mixing magnesia, samarium oxide, scandium oxide, aluminum oxide and zirconia, and pre-calcining to obtain a zirconia powder composite substrate;

[0035] Step b) the zirconia powder composite substrate, dioctyl phthalate, ethylene-vinyl acetate copolymer, calcium stearate, polyvinyl chloride, thermoplastic polyester elastomer, linear low density polyethylene, micro Crystal wax and palm oil are mixed, added to a mixer for mixing, and the mixing temperature is 160-250°C to obtain a gelatinous substance;

[0036] Step c) compressing the gelatinous substance into tablets, pulverizing it, and obtaining a blank after injection molding;

[0037] Step d) performing degreasing treatment and high-temperature sintering on the blank in turn, and obtaining an anti-aging zirconia ceramic ferrule after cooling.

[0038]...

Embodiment 1

[0077] Step 1. Mix 1 part by weight of magnesium oxide, 2 parts by weight of samarium oxide, 2 parts by weight of scandium oxide, 1 part by weight of aluminum oxide and 95 parts by weight of zirconia, and pre-calcine at 1000 ° C to obtain Zirconia powder base.

[0078] Step 2, mixing the zirconia powder base material and organic additives prepared above in a certain proportion, the raw materials used in this step include in parts by weight:

[0079]

[0080] The above-mentioned zirconia powder base material, dioctyl phthalate, ethylene-vinyl acetate copolymer, calcium stearate, polyvinyl chloride, thermoplastic polyester elastomer, linear low-density polyethylene, microcrystalline wax and palm oil were added into a mixer for mixing, the mixing temperature was 180° C., and the mixing time was set to 2 hours to obtain a gelatinous substance.

[0081] Step 3, compressing the colloidal substance into tablets with a thickness of 2-3 mm, and crushing the tablets into injection m...

Embodiment 2

[0096] Step 1. Mix 1 part by weight of magnesium oxide, 2 parts by weight of samarium oxide, 2 parts by weight of scandium oxide, 1 part by weight of aluminum oxide and 95 parts by weight of zirconia, and pre-calcine at 1000 ° C. A zirconia powder base material is obtained.

[0097] Step 2, mixing the zirconia powder base material and organic additives prepared above in a certain proportion, the raw materials used in this step include in parts by weight:

[0098]

[0099] The above-mentioned zirconia powder base material, dioctyl phthalate, ethylene-vinyl acetate copolymer, calcium stearate, polyvinyl chloride, thermoplastic polyester elastomer, linear low-density polyethylene, microcrystalline wax 1. Palm oil was added into a mixer for mixing, the mixing temperature was 200° C., and the mixing time was set to 3 hours to obtain a gelatinous substance.

[0100] Step 3, compressing the colloidal substance into tablets with a thickness of 2-3 mm, and crushing the tablets into...

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Abstract

The invention provides a method for preparing an anti-aging zirconia ceramic insert core, a zirconia powder composite base material and a method for preparing the same. Samarium oxide takes effect with zirconia to achieve the stabilizing effect and has a synergistic effect with magnesium oxide, aluminum oxide and scandium oxide, the thermal mechanical performance of zirconia is improved, so that the zirconia ceramic insert core has high strength and toughness and excellent thermal shock resistance. On the other hand, an ethylene-vinyl acetate copolymer causes thermoplastic polyester elastomer, polyvinyl chloride and linear low density polyethylene to interpenetrate in zirconia ceramic to be polymerized to form an interpenetrating network structure and obtain a stable structure system; dioctyl phthalate serves as a plasticizer, microcrystalline wax, palm oil and calcium stearate serve as auxiliary adhesives, so that an injection molding material is good in mobility, high in demolding performance and short in degreasing cycle, the strength of formed green bodies is guaranteed, the zirconia ceramic insert core obtained after sintering has high strength and anti-aging performance, and the pass rate is improved.

Description

technical field [0001] The invention relates to the technical field of ceramic electronic components, in particular to a preparation method of an anti-aging zirconia ceramic ferrule. Background technique [0002] The fiber optic connector is to precisely butt the two end faces of the optical fiber, so that the optical energy output from the transmitting fiber can be coupled into the receiving fiber to the maximum extent. The core and basic component of the fiber optic connector is a ceramic ferrule, which acts as a medium for connection, conversion, and data transmission. It is the most basic and important passive component of a series of optical communication products. [0003] In order to adapt to the complexity of the use environment of optical fiber connectors and series of optical communication products and the repeatability of splicing, the raw materials for the preparation of ceramic ferrules are generally non-metallic high-performance functional ceramics, and zirconi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/48C04B35/634
Inventor 曹波
Owner NINGBO BRIGHT PHOTOELECTRIC TECH
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