melted and held at 60 u00b0 c it was then mixed with a solution of 2 0g pdcl sub 2 and 1 68g kcl dissolved in 8 09g h 2 o after stirring for 2 hours at 60 u00b0 c 63 71g sncl sub 2 was added the reaction was stirred for an additional 1 hour at 60 u00b0 c the product upon cooling was a dry friable solid containing approximately 80 of the stannous chloride as sncl 2 2 h 2 o and 20 as sncl 2 a working bath was prepared using 20g of the catalyst in 1 liter of 4n hcl coverage was excellent for abs poly phenyleneoxide and polypropylene a mixture of 20 16g sncl 2 2h 2 o and 10 05g kcl was heated to 95 u00b0 c a solution of 2 0g pdcl 2 and 3 36g kcl in 29 12g h 2 o was added and the mixture allowed to react with stirring at 95 u00b0 c for 30 minutes anhydrous stannous chloride 152 9g was added and the solution stirred for an additional 30 minutes at 95 u00b0 c the product which upon cooling was semi liquid and non homogeneous was reheated to 60 u00b0 c to get a homogenous mass a portion 24g of the catalyst was removed and added to 1 liter of 4n hcl this catalyst gave excellent results with both abs epb 3570 and polypropylene the procedure of example v was repeated except for the amount of water used specifically 35 59g h 2 o was used to prepare the pdcl 2 kcl solution instead of 29 12 g h 2 o this gave a product containing 20 more than the amount.