Ni vakatauvatani kei na fibers vakayago, na polyester e tiko kina na leqa ni lailai na wai, dravudravua na cagi, dravudravua na dyeability, rawarawa ni pilling kei na fuzzing, kei na rawarawa ni vakacacani. Me rawa ni vakavinakataki na cala oqo, e vakayagataki na veisau ni kemikali kei na iwalewale ni deformation vakayago. Na iwalewale ni veisautaki ni kemikali e:
Na monomer se oligomer polyethylene glycol vata kei na ilawalawa hydrophilic e vakuri me baleta na copolymerization, ka rawa ni vakavinakataka na ivakarau ni vakasucumi ni wai;
2Na kena vakacurumi na monomers kei na iyau ni veivakacacani me baleta na copolymerization e rawa ni vakavinakataka na veivakacacani kei na veivakacacani-vakacaca ni veivakacacani ni fiber;
3Vakacuruma na veivakaduavatataki e tiko kina na phosphorus, halogen kei na antimony me vakavinakataka na fiber ni veivakacacani ni veivakacacani;
Vakayagataka na polyester spinning kei na dua na ivakatagedegede lailai ni polymerization me vakavinakataka na kena rawa ni anti-pilling;
Copolymerize vata kei na roka-philic ilawalawa monomers (me vaka na sulfonate, kei na so tale) me vakavinakataki kina na cakacaka ni roka ni roka.
Vakayago vakacacani na veimataqali polyester profiled, veivakaduiduitaki ni veivakaduiduitaki kei na so tale na poliesita, roka roka, poliesita vinaka-denier kei na poliesita cecere-vakalailaitaki.