发明名称 |
PREPREG, METAL-CLAD LAMINATE, AND PRINTED WIRING BOARD |
摘要 |
A prepreg satisfies the following properties (A) and (B).;(A) The resin flow of the prepreg measured under conditions of 170° C. and 30 kgf/cm2 according to IEC 60249-3-1, 1981, is 0% or more and 5% or less.;(B) In a dynamic viscoelasticity test under conditions of a temperature of 30° C. or higher and 200° C. or lower, a temperature rising rate of 3° C./min, and a frequency of 0.5 Hz, a relation of 1≦Vb/Va≦15 is established, where Va is a minimum melt viscosity of the resin composition collected from the prepreg, and Vb is a melt viscosity of the collected resin composition at a temperature Tb, Tb=Ta+20° C., and Ta is a temperature when the melt viscosity is the minimum melt viscosity Va. |
申请公布号 |
US2016090457(A1) |
申请公布日期 |
2016.03.31 |
申请号 |
US201514859210 |
申请日期 |
2015.09.18 |
申请人 |
Panasonic Intellectual Property Management Co., Ltd. |
发明人 |
UMEHARA HIROAKI;INOUE HIROHARU |
分类号 |
C08J5/24;H05K1/03 |
主分类号 |
C08J5/24 |
代理机构 |
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代理人 |
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主权项 |
1. A prepreg comprising:
a fibrous substrate; and a resin composition with which the substrate is impregnated, and which is heated and dried, wherein a resin flow of the prepreg measured under conditions of 170° C. and 30 kgf/cm2 according to IEC 60249-3-1, 1981, is 0% or more and 5% or less, and in a dynamic viscoelasticity test under conditions of a temperature of 30° C. or higher and 200° C. or lower, a temperature rising rate of 3° C./min, and a frequency of 0.5 Hz, a relation of 1≦Vb/Va≦15 is established, where Va is a minimum melt viscosity of the resin composition collected from the prepreg, Vb is a melt viscosity of the collected resin composition at a temperature Tb, Tb=Ta+20° C., and Ta is a temperature when the melt viscosity is the minimum melt viscosity Va. |
地址 |
Osaka JP |