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polyisobutylene
释义
polyisobutylene
Encyclopedia
工学
聚异丁烯
释
polyisobutylene
聚异丁烯
由异丁烯经正离子聚合制得的聚合物。是一种典型的饱和线型聚合物。分子链主体不含双键,无长支链存在,其分子量可从数百至数百万,其中没有不对称碳原子,并且结构单元以首-尾有序连接。
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left-handed reference frame
left-handed rotation
left-handed system
left handed transmission line
left-handed transmission line
left-handed trihedral
left-handed upper continuous
left-hand inclusion
left-hand lower derivative
left-hand lower limit
left-hand parenthesis
left-hand rule
left-hand side
left hand spinors
left-hand upper derivative
left-hand upper limit
left hereditary ring
left heredity
left Hermite ring
left homotopy inverse
left ideal
left ideal of an algebra
left identity element
left identity 「= left identity
left indent
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