摘要:
A curable organopolysiloxane composition comprising: (A) an novel organopolysiloxane represented by the following average structural formula: R 1 a SiO (4-a)/2 {wherein R 1 represents a substituted or non-substituted monovalent hydrocarbon group, an alkoxy group, a hydroxyl group, or an organopolysiloxane residue of the following general formula: -X-(SiR 2 2 O) m SiR 2 3 (wherein R 2 are the same or different, substituted or unsubstituted monovalent hydrocarbon groups; X represents oxygen atoms or a bivalent hydrocarbon group; and 'm' is an integer equal to or greater than 1); however, at least one R 1 in one molecule is the aforementioned organopolysiloxane residue, at least one R 1 is a monovalent hydrocarbon group having aliphatic carbon-carbon double bonds, and 'a' is a positive number that satisfies the following condition: 0
摘要:
A silicone rubber composition exhibiting superior adhesive properties with respect to organic resins it comes into contact with during its cure, while at the same time possessing superior mold release properties with respect to metal dies used for its molding, contains: (A) a polyorganosiloxane having at least two silicon-bonded alkenyl groups per molecule; (B) a polyorganosiloxane having at least two silicon-bonded hydrogen atoms per molecule; (C) an alkylene glycol ester of diacrylic acid or an alkylene glycol ester of dimethacrylic acid having the formula (I), wherein R1 is hydrogen or a methyl group, R2 represents an alkylene group, and n has a value of 1-10; and (D) a platinum catalyst.
摘要:
An anisotropically electroconductive adhesive film is characterized by containing an electroconductive elastomer that traverses the thickness of the adhesive film and is insulated in the plane of the adhesive film comprising electrically insulating elastomer, and both the electroconductive elastomer and the electrically insulating elastomer have a modulus of elasticity at 150° C. that is no greater than 100 MPa. A method for producing the anisotropically electroconductive adhesive film is characterized by forming through holes across the thickness of the adhesive film comprising electrically insulating elastomer, thereafter filling the through holes with an electroconductive elastomer composition, and curing the electroconductive elastomer composition to form the electroconductive elastomer after filling the through holes. A semiconductor device characterized by the electrical connection of the terminals of a semiconductor chip to the interconnect pads of an interconnect substrate by the aforementioned anisotropically electroconductive adhesive film.
摘要:
A process for the preparation of (D) thiocyanato-bearing organoalkoxysi lanes represented by the general formula (3) NCS-R 1 -Si(OR 2 ) n R 3 3-n (where R 1 is a divalent hydrocarbon group having 1 to 6 carbon atoms, R 2 and R 3 are monovalent hydrocarbon groups, and the subscript n is 0 to 3), in which (A) a thiocyanic acid salt represented by the general formula (1) MSCN (where M stands for an alkali metal) and (B) a halogenated alkylalkoxysilane represented by the general formula (2) XR 1 Si(OR 2 ) n R 3 3-n (where X is a halogen atom, and R 1 , R 2 , R 3 , and the subscript n are the same as above) are reacted in the presence of (C) a phase transfer catalyst.
摘要翻译:用于制备由通式(3)NCS-R 1 -Si(OR 2)n R 3-n(其中R 1是)的(D)含硫氰酸酯的有机烷氧基硅烷通路的方法 具有1至6个碳原子的二价烃基,R 2和R 3是一价烃基,并且下标n是0至3),其中(A)由通式(I)表示的硫氰酸盐 1)MSCN(其中M代表碱金属)和(B)由通式(2)表示的卤代烷基烷氧基硅烷XR 1 Si(OR 2)n R 3-n(其中X是 卤素原子和R 1,R 2,R 3和下标n与上述相同)在(C)相转移催化剂存在下反应。
摘要:
A curable organosiloxane composition useable as a silicone die attach adhesive, an electrically conductive silicone rubber composition each comprising a composition that cures through both addition and condensation reactions, that will not impair wire bondability to a semiconductor chip or lead frame after the semiconductor chip has been bonded to a substrate or package; and semiconductor devices in which the semiconductor chip is bonded to its substrate or package using the curable organosiloxane composition and in which the semiconductor device that evidences high reliability by virtue of the use of the curable organosiloxane composition.
摘要:
Liquid alkoxysilyl-functional silicone resins having excellent storage stability and a method of preparing these liquid alkoxysilyl-functional silicone resins comprising running an equilibration polymerization reaction with components comprising (A) a polydiorganosiloxane and (B) an alkyl polysilicate in the presence of (C) an equilibration polymerization catalyst. This invention also relates to curable silicone resin compositions comprising the aforesaid liquid alkoxy-functional silicone resins which have excellent curability and when cured form a water-repellent coating on a variety of substrate surfaces.
摘要:
A moisture curable composition capable of cure to an elastomeric body, comprising a polymeric material having not less than two hydroxyl or hydrolysable groups an alkoxysilane curative and a catalyst comprising: a mixture and/or reaction product of a compound (i) selected from M[OR]4 and M[OR']x[Z]z, wherein M represents a metal having a valency of 4 selected from Group IVB of the Periodic Table, preferably titanium or zirconium. Each R and R' may be a primary, secondary or tertiary aliphatic hydrocarbon or the group SiR93; and a compound (ii) of the general formula A-C(=O)R1-C(=O)-B wherein R1 is a methylene group or a substituted methylene radical, A is selected from -(CX¿2?)nC(R?2)¿3 wherein n is from 0 to 5, and an adamantyl group or a derivative thereof; B is selected from the group of -(CX2)tC(R2)3 wherein t is from 0 to 5; a monovalent alkyl group having from 1 to 6 carbon atoms; and OR3, wherein R3 is selected from the group of -(CX¿2?)tC(R?2)¿3 and a monovalent alkyl group having from 1 to 6 carbon atoms; wherein each X is the same or different and is selected from the group of a halogen radical and hydrogen, each R2 is the same or different and is selected from the group of a halogen radical and an alkyl radical having one to eight carbon atoms, and when n is greater than 0 at least one of X or R2 is a halogen radical.