Patent ID: 6436224
Filing Date: 2002-08-20
Classification: B29C,F16L

Abstract:
A method for joining polyolefin pipes by means of a polyolefin joint, the method comprising the steps of placing a treatment composition containing a silicon compound or a treatment composition containing a silicon compound and a reaction accelerator between the pipes and the joint and heating a joining portion, wherein the silicon compound is at least one member selected from the group consisting of linear polysilane and cyclic polysilane represented by the formula (1) â€ƒwherein R1 and R2 are the same or different and each is selected from the group consisting of a hydrogen atom, halogen atom, hydroxyl group, C1-C20 alkyl group, alkenyl group, aryl group, alkoxyl group, amino group, amide group and silyl group; m is about 2-10000.