Patent ID: 6284699
Filing Date: 2001-09-04
Classification: B01J,C08F,Y10S

Abstract:
Modified particles obtained by a process comprising contacting (a) porous particles having a water content of not less than 6% by weight, a diameter of 5 to 1,000 .mu.m, a pore volume of not less than 0.3 ml/g and a specific surface area of 10 to 1000 m.sup.2 /g, made of a substance selected from the group consisting of inorganic oxides, inorganic magnesium compounds, clays, clay minerals and organic polymers, (b) an organometallic compound represented by the following general formula (1):R.sup.1.sub.n AX.sub.3-n (1)wherein, A represents a boron atom or aluminum atom; R.sup.1 represents a hydrocarbon group having 1 to 20 carbon atoms and when a plurality of R.sup.1 are present, they may be the same or different; X represents a halogen atom or a hydrogen atom and when a plurality of X are present, they may be the same or different; and n represents a number satisfying the expression 0<n.ltoreq.3, and (c) a compound having a functional group containing active hydrogen or a non-proton donative Lewis basic functional group, and an electron attractive group.