首页 / 百科 / 内容详情 PVC and PAN have a lower Tg than amorphous polypropylene. 2022-04-21 8次阅读 polypropylene Amorphous lower PVC and PAN have a lower Tg than amorphous polypropylene. A.正确B.错误正确答案：错误 Poly(1,4-cis-butadiene) has a higher Tg than Poly(1,4-trans-butadiene) because the cis -form reduces the energy barrier for rota Polycarbonate has a lower Tg than polyethylene. 猜你喜欢