Among the new fibers, new cellulosic fiber, syndiotactic PP fiber synthesized by metallocene catalyst and PTT filler will become the big competitors against the conventional fibers.

• 笔者认为在众多的纤维新品种中,新型纤维素纤维、茂系催化剂间规聚丙烯纤维、新型聚酯PTT纤维将成为老品种的强有力的竞争对手。