prov:value
| - Into 8.0 liters of water was dispersed 520 g of liquid polybutadiene (a product of Japan Petrochemical Co., Ltd., EC-1800-150/100, having a molecular weight of 1800, containing 20% of ethyl cellosolve, represented by the formula below) ##STR10## (where x:y:z???1:1:1; R1, R2, and R4 are an alkyl group, allyl group, aryl group, or hydrogen atom; and R, is an alkylene group, allylene group, or aryl
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