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Claims (4)
PbO-B2O3계의 저융점 유리분말 65-85중량%와, 상온에서 300℃까지 열팽창계수가 40x10-7/℃ 이하인 저열팽창성 세라믹 분말 2-15중량%와, 지르코니아, 코디어라이트 복합체 분말 2-10중량%로 이루어진 것을 특징으로 하는 저융점 분말 접착 유리조성물.65-85% by weight of low melting point glass powder of PbO-B 2 O 3 system, 2-15% by weight of low thermal expansion ceramic powder having a coefficient of thermal expansion of 40x10 -7 / ° C or lower from room temperature to 300 ° C, and zirconia and cordierite composites Low melting powder adhesive glass composition, characterized in that consisting of 2 to 10% by weight of the powder.제1항에 있어서, 지르코니아, 코디어라이트 복합체 분말은 지르코니아 5-50중량%와, 코디어라이트 50-95중량%를 혼합하여 1300℃의 부근 온도에서 4시간 이상 고상반응시켜 제조한 것임을 특징으로 하는 조성물.The method of claim 1, wherein the zirconia, cordierite composite powder is prepared by mixing 5-50% by weight of zirconia and 50-95% by weight of cordierite by solid state reaction at a temperature of 1300 ℃ for at least 4 hours. Composition.PbO-B2O3계의 저융점 유리분말 70-95중량%와, 지르코니아, 코디어라이트 복합체 분말 5-30중량%로 이루어진 것을 특징으로 하는 저융점 분말 접착 유리조성물.A low-melting-point powder-adhesive glass composition comprising 70-95% by weight of a low melting point glass powder of PbO-B 2 O 3 system and 5-30% by weight of zirconia and cordierite composite powder.제3항에 있어서, 지르코니아, 코디어라이트 복합체 분말은 지르코니아 5-50중량%와, 코디어라이트 50-95중량%를 혼합하여 1300℃의 부근 온도에서 4시간 이상 고상반응시켜 제조한 것임을 특징으로 하는 조성물.The zirconia and cordierite composite powder is prepared by mixing 5-50% by weight of zirconia and 50-95% by weight of cordierite by solid phase reaction at a temperature of around 1300 ° C. for at least 4 hours. Composition.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
Curable furan resin(s) modified with phenolic resin(s) for use as binders for cements and coating compositions having improved thermal stability, processes for their preparation and their use