Te Hanga Tohutoro mo te V-0 Plastic Thermoplastic Pvc Mura-Retardant

Te Hanga Tohutoro mo te V-0 Plastic Thermoplastic Pvc Mura-Retardant

Ki te whakatutuki i te whakatauranga V-0 mo te mura o te mura (e ai ki nga paerewa UL-94) i roto i nga kirihou thermoplastic PVC, ko te hypophosphite konumohe me te waikawa boric e rua e whakamahia ana hei aukati mura. Ko o raatau taumata taapiri me whakapai ake i runga i te whakatakotoranga motuhake, nga tikanga tukatuka, me nga whakaritenga mahi. Kei raro nei etahi tohutohu me nga awhe tohutoro:

1. Taumata taapiri o te Aluminium Hypophosphite

Ko te hypophosphite konumohe he ūkuikui-a-te-a-muri mura e tika ana mo nga rawa PVC. Ka aukati i te wera ma te hanga i tetahi paparanga phosphate whakamarumaru me te tuku hau waikawa phosphoric.

• Taumata taapiri e manakohia ana: 15–25 ph(waahanga mo ia rau wahanga kapia)
• Mo te PVC paerewa, taapiri a tawhio noa20 pho te konumohe hypophosphite ka eke ki te whakatauranga V-0 mo te mura ahi.
• Mo te kaha ake o te mura o te mura, ka taea te whakanui ake i te inenga, engari me whai whakaaro te paanga ki nga taonga miihini.
• Whakatupato:
• Ko te nui o te konumohe hypophosphite ka whakaiti i te mahi tukatuka (hei tauira, he ngoikore te rere).
• E taunaki ana kia whakakotahi ki etahi atu parenga mura (hei tauira, te waikawa boric, te konumohe hydroxide) mo nga paanga mahitahi.

2. Taumata Tāpiritanga o te Waikawa Boric

Ko te waikawa Boric he mura mura iti te utu e mahi ana na roto i te pirau endothermic me te hanganga o te paparanga whakamarumaru penei i te karaihe.

• Taumata taapiri e manakohia ana: 5–15 ph
• I te nuinga o te wa ka whakamahia te waikawa Boric hei parenga mura ahi tuarua, a, ka nui te nui o te nui ka whakararu i nga taonga miihini me te tukatuka.
• I roto i te PVC, taapiri a tawhio noa10 pho te waikawa boric ka taea te whakakotahi me te konumohe hypophosphite hei whakarei ake i te mura o te mura.
• Whakatupato:
• He hygroscopic te waikawa Boric, no reira me karo te makuku mo te rokiroki me te whakahaere.
• He iti te awenga mura o te ahi ina whakamahia anake; ka honoa ki etahi atu parenga mura (hei tauira, konumohe hypophosphite, konumohe hydroxide).

3. Hangahanga Synergistic o Aluminium Hypophosphite me Boric Acid

Hei whakatutuki i te whakatauranga V-0, ko te konumohe hypophosphite me te waikawa boric ka taea te whakakotahi mo nga paanga mahi tahi. Kei raro nei he whakatakotoranga tohutoro:

• Konumohe hypophosphite: 15–20 ph
• Waikawa Boric: 5–10 ph
• Ko etahi atu taapiri:
• Plasticizer (hei tauira, DOP): Ina hiahiatia (kua whakatikahia i runga i nga whakaritenga pakeke PVC)
• Pūmau:2–5 ph(hei tauira, te tote mata, te whakapumau konupora-konupora)
• Whakahinuhinu:0.5–1 ph(hei tauira, te waikawa stearic)

Tauira Hanga:

• PVC kapia:100 ph
• Konumohe hypophosphite:18 ph
• Zinc borate:8 ph
• Kaiwhakapaipai (DOP):40 ph
• Pūmau:3 ph
• Whakahinuhinu:0.8ph

4. Whakamatau me te Arotautanga

I roto i nga tono whaihua, ko nga waahanga e whai ake nei e taunakihia ana mo te whakamatautau me te arotautanga:

1. Hanganga kaiurungi:Whakaritehia he whakamatautau iti i runga i nga awhe tohutoro.
2. Whakamātautau UL-94:Whakahaerehia nga whakamatautau tahuna poutū ki te arotake i te whakatauranga whakamuri mura.
3. Te whakamatautau mahi:Aromatawai i nga ahuatanga miihini (hei tauira, te kaha maru, te kaha o te paanga) me te mahi tukatuka (hei tauira, te rere, te waiariki).
4. Arotautanga:Whakaritea nga taumata taapiri o te konumohe hypophosphite me te waikawa boric, whakaurua ranei etahi atu parenga mura (hei tauira, konumohe hydroxide, antimony trioxide) hei whakarei ake i te mahi.

5. Nga Whakaaro Matua

• Te pāmahana tukatuka:He tiketike rawa nga pāmahana whakapohehe o te konumohe hypophosphite me te waikawa boric; Me whakarite kia kaua e neke ake nga pāmahana tukatuka ki enei tepe kia kore ai e paheke.
• Marara:Me whakarite kia rite te marara o nga mura ahi i roto i te PVC hei aukati i nga take kukū o te rohe.
• Pānga taiao:Ko te konumohe hypophosphite me te waikawa boric he aukati mura-taiao, engari me whakamana te hototahi ki etahi atu taapiri.

6. Whakamutunga

Ki te whakatutuki i te whakatauranga V-0 mo te mura o te mura i roto i nga kirihou thermoplastic PVC, ko nga taumata taapiri e taunaki ana15–25 haora mo te konumohe hypophosphitea5–15 phr mo te waikawa boric. Ko te whakamahi whakakotahitanga o enei parenga mura ka kaha ake te mahi. I roto i nga mahi, he mea nui te arotautanga i runga i nga whakatakotoranga motuhake me nga whakaritenga mahi, me whakahaere nga whakamatautau UL-94 ki te manatoko i te reanga whakaahuru mura.

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