Ammonium polyphosphate inoshanda sei muPolypropylene (PP)?

Ammonium polyphosphate inoshanda sei muPolypropylene (PP)?

 Polypropylene (PP) inoshandiswa zvakanyanya thermoplastic material, inozivikanwa nekunaka kwayo ma mechanic properties, chemical resistance, uye heat resistance.Nekudaro, PP inopfuta, iyo inomisa mashandisirwo ayo mune mamwe minda.Kugadzirisa nyaya iyi, kuiswa kweammonium polyphosphate (APP) semurazvo wemoto muPP yakadzidzwa zvakanyanya.

Ammonium polyphosphate, rudzi rwe intumescent flame retardant, inowedzerwa kuPP kuti ivandudze kudzivirira kwayo moto.Kana PP ine APP ichiratidzwa kune tembiricha yakanyanya panguva yemoto, iyo ammonium polyphosphate inoora uye inoburitsa ammonia, iyo inoderedza kuwanda kwemagasi anopfuta anogadzirwa panguva yekupisa.Iyi nzira inoderedza mukana wekupisa uye inoderedza kupararira kwemoto.

Uyezve, iyo char-forming kugona yeammonium polyphosphate inobatsira kuumba yakagadzikana uye inodzivirira char layer pamusoro peiyo PP zvinhu kana ichinge yafumurwa nekupisa kana murazvo.Iyi char layer inoshanda sechipingamupinyi, ichidzivirira iyo iri pasi pePP kubva pakupisa uye kuderedza kuburitswa kwemagasi anopfuta, nekudaro ichiwedzera iyo inodzivirira moto zvinhu zvePP zvinhu.

Muchidimbu, kuwedzerwa kweammonium polyphosphate kuPP hakungodzikisi kupisa kwezvinhu kuburikidza nekudzikisa magasi anopisa asiwo kunokurudzira kuumbwa kwechidziviriro char layer, nokudaro kunatsiridza kupisa kwemoto kwePP plastiki.Izvi zvinoita kuti PP ine ammonium polyphosphate ive sarudzo inodiwa kune maapplication uko kuchengetedza moto kwakakosha zvakanyanya.

Taifeng Flame retardant TF-241 inosanganisa APP II ine yakakwira murazvo unodzora kuita muPP uye HDPE.

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