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Preparation method for improving finished product yield of LTCC (Low Temperature Co-Fired Ceramic) green tape
A preparation method for improving finished product yield of LTCC (low temperature co-fired ceramic) green tape relates to the technical field of green tape manufacturing, and the green tape comprises the following raw materials in parts by weight: 58 parts of glass powder, 33-35 parts of binary solvent, 0.75-2.75 parts of dispersant commercial BKY-110, 5 parts of binder polymethyl ethylene carbonate (PPC) and 1.25 parts of plasticizer dibutyl phthalate. Wherein the binary solvent and the dispersing agent form a binary solvent system, one of the binary solvents is one of ethanol and n-butyl alcohol, the other of the binary solvents is one of toluene, ethyl acetate and 4-methyl-2-pentanone, the binary solvent system is screened according to the Stokes law, the binary solvent system with the premixed liquid density of 0.823-0.874 g/mL is assembled, and the premixed liquid density of the binary solvent system is 0.823-0.874 g/mL. And casting is carried out when the settling velocity of the slurry is 2.0136 E-4 cm/s-2. 249 E-4 cm/s, so that long-time suspension of the slurry can be realized, the problems of corrugation on the surface and large thickness difference in the casting process of the green tape can be improved, and the green tape with high yield can be prepared.
一种提高LTCC生瓷带成品产量的制备方法，涉及生瓷带制造技术领域，生瓷带按照重量份数计包括如下原料：58份玻璃粉、33～35份二元溶剂、0.75～2.75份分散剂商用BKY‑110、5份粘结剂聚甲基乙撑碳酸酯（PPC）和1.25份增塑剂邻苯二甲酸二丁酯，其中二元溶剂和分散剂构成二元溶剂体系，二元溶剂的一种溶剂为乙醇、正丁醇中的一种，另一种溶剂为甲苯、乙酸乙酯、4‑甲基‑2‑戊酮中的一种，二元溶剂体系的组配用斯托克斯定律进行筛选，预混合液密度在0.823~0.874 g/mL的二元溶剂体系组配，浆料沉降速度为2.0136E‑4 cm/s~2.249E‑4 cm/s时进行流延，能实现浆料的长时间悬浮，改善生瓷带流延过程中表面出现波纹和厚度差异大的问题，可制得高良品率的生瓷带。
Preparation method for improving finished product yield of LTCC (Low Temperature Co-Fired Ceramic) green tape
A preparation method for improving finished product yield of LTCC (low temperature co-fired ceramic) green tape relates to the technical field of green tape manufacturing, and the green tape comprises the following raw materials in parts by weight: 58 parts of glass powder, 33-35 parts of binary solvent, 0.75-2.75 parts of dispersant commercial BKY-110, 5 parts of binder polymethyl ethylene carbonate (PPC) and 1.25 parts of plasticizer dibutyl phthalate. Wherein the binary solvent and the dispersing agent form a binary solvent system, one of the binary solvents is one of ethanol and n-butyl alcohol, the other of the binary solvents is one of toluene, ethyl acetate and 4-methyl-2-pentanone, the binary solvent system is screened according to the Stokes law, the binary solvent system with the premixed liquid density of 0.823-0.874 g/mL is assembled, and the premixed liquid density of the binary solvent system is 0.823-0.874 g/mL. And casting is carried out when the settling velocity of the slurry is 2.0136 E-4 cm/s-2. 249 E-4 cm/s, so that long-time suspension of the slurry can be realized, the problems of corrugation on the surface and large thickness difference in the casting process of the green tape can be improved, and the green tape with high yield can be prepared.
一种提高LTCC生瓷带成品产量的制备方法，涉及生瓷带制造技术领域，生瓷带按照重量份数计包括如下原料：58份玻璃粉、33～35份二元溶剂、0.75～2.75份分散剂商用BKY‑110、5份粘结剂聚甲基乙撑碳酸酯（PPC）和1.25份增塑剂邻苯二甲酸二丁酯，其中二元溶剂和分散剂构成二元溶剂体系，二元溶剂的一种溶剂为乙醇、正丁醇中的一种，另一种溶剂为甲苯、乙酸乙酯、4‑甲基‑2‑戊酮中的一种，二元溶剂体系的组配用斯托克斯定律进行筛选，预混合液密度在0.823~0.874 g/mL的二元溶剂体系组配，浆料沉降速度为2.0136E‑4 cm/s~2.249E‑4 cm/s时进行流延，能实现浆料的长时间悬浮，改善生瓷带流延过程中表面出现波纹和厚度差异大的问题，可制得高良品率的生瓷带。
Preparation method for improving finished product yield of LTCC (Low Temperature Co-Fired Ceramic) green tape
一种提高LTCC生瓷带成品产量的制备方法
LIU ZHENGUO (author) / YU JIANWEI (author) / GAO XIAO (author) / JIA GUANGYAO (author) / LIANG DONG (author)
2022-03-22
Patent
Electronic Resource
Chinese
| European Patent Office | 2022
Preparation method of LTCC (Low Temperature Co-Fired Ceramic) green tape slurry
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