Kaiwhakakore Peita Kaiwhakakore Peita Tino Pai/tango peita

 Kaiwhakakore Peita Kaiwhakakore Peita Tino Pai/tango peita

Ngā Āhuatanga:

l Tango peita taiao

Kore-waikura, whakamahia te haumaru me te whakahaere ngāwari

Kāore he waikawa, he benzene me ētahi atu mea kino kei roto

Ka taea te whakamahi anō mā te horoi i te kiriata peita me te paru peita i roto i te otinga

Ka taea e au te tango wawe i te peita phenolic, te kiriaku, te epoxy, te peita whakaoti polyurethane me te peita pirimia

 

Te tukanga tono:

Āhua: Wai mārama kore tae ki te parauri mārama

l Tikanga maimoatanga: Tōia

Te wā maimoatanga: 1-15min

Te pāmahana maimoatanga: 15-35 ℃

l Maimoatanga i muri i te maimoatanga: Horoia te kiriata peita toenga mā te whakamahi i te wai pēhanga teitei

Pānui:

1. Ngā Whakatūpato

(1) Kāore e whakaaetia kia pā atu ki a ia me te kore he parenga haumaru;

(2) Mauria he karapu haumaru me he karu ārai i mua i te whakamahinga

(3) Puritia kia matara atu i te wera, i te ahi, ā, rongoatia ki te wāhi marumaru, e whai hau ana

2. Ngā mahi āwhina tuatahi

1. Horoia tonutia ki te nui o te wai, ki te pā ki te kiri me ngā kanohi. Me rapu tohutohu hauora i te wā e taea ai.

2. Inuhia tonutia te wai e pā ana ki te 10% konutai kāponāte, mehemea ka horomia te tango peita. Me pātai wawe tonu ki te taote.

 

Taupānga:

maitai waro

Rau piauau

koranu konumohe

l Konupora konupora

Parahi, karāhe, rakau me te kirihou me ētahi atu

 

Te kete, te rokiroki me te kawe:

Kei te wātea i roto i te 200 kg/peera, 25 kg/peera rānei

Te wā rokiroki: ~12 marama i roto i ngā ipu kua kati, i te wāhi marumaru, maroke hoki

Te tango peita me te plasticizer

Te tango peita me te plasticizer

kupu whakataki

I tēnei wā, he tino tere te whanaketanga o te mīhini tango peita i Haina, engari kei te mau tonu ētahi raruraru, pērā i te paitini nui, te pānga tango peita koretake me te parahanga nui. He iti noa ngā hua kounga teitei, hangarau teitei me te uara nui tāpiri. I te tukanga whakarite i te mīhini tango peita, ka tāpirihia te ware paraffin, ahakoa ka taea te ārai i te wairewa mai i te tere rawa o te mimiti, engari i muri i te tango peita, he maha ngā wā ka noho tonu te ware paraffin ki te mata o te mea e peitahia ana, nō reira me tango katoa te ware paraffin, nā te rerekētanga o ngā āhuatanga o te mata e peitahia ana, ka tino uaua ki te tango i te ware paraffin, ka nui te raruraru ki te paninga e whai ake nei. Hei tāpiri, me te whanaketanga o te hangarau me te whanaketanga pāpori, kei te piki haere te mōhio o te tangata ki te tiaki taiao, ā, he nui ake ngā hiahia mō ngā mīhini tango peita. Mō ngā tau maha, kua ngana te umanga peita ki te whakaiti i te whakamahinga o ngā wairewa. Heoi, he mea nui ngā wairewa ki ngā mīhini tango peita, nō reira he mea nui te whiriwhiri i ngā wairewa. Kua whakawhāitihia tonutia e te Ture 612 o te Ture Whakatakotoranga Hangarau Tiamana (TRGS) te whakamahinga o ngā mīhini tango peita methylene chloride hei whakaiti i ngā tūponotanga mahi. He mea nui te whakamahi tonu i ngā mīhini tango peita methylene chloride tuku iho e ngā kaiwhakapaipai me te kore e aro ki te haumaru o te taiao mahi. He kōwhiringa ngā pūnaha totoka-nui me ngā pūnaha wai-pūtake hei whakaiti i te ihirangi whakarewa me te hanga i tētahi hua haumaru ki te whakamahi. Nō reira, ko ngā mīhini tango peita wai-pūtake e pai ana ki te taiao, e whai hua ana, koia te huarahi whakamua mō ngā mīhini tango peita. He tino whai hua ngā mīhini tango peita hangarau-teitei, kounga-teitei, he nui te ihirangi.

Whakatōkia te whakatika i tēnei paraka, ngā momo kaitā peita

1) Kaiwhakakore peita kawakore

Ko te tango peita kawakore he mea hanga i ngā matū kawakore (te konutai hauwai, te pungarehu houra, te karāhe wai, me ētahi atu), ngā matū horoi, ngā aukati waikura, me ētahi atu, ka werahia ina whakamahia. I tetahi taha, ka whakapūmau te kawakore i ētahi rōpū i roto i te peita ka rewa ki te wai; i tetahi atu taha, ka tunua te kiriata paninga e te mamaoa wera, ka ngaro te kaha me te whakaiti i tōna piri ki te konganuku, ā, me te pānga o te urunga, te urunga me te piri o te matū horoi, ka mutu ka whakangaromia te paninga tawhito. Ka memeha haere.

2) Mīhini tango peita waikawa.

Ko te mīhini tango peita waikawa he mīhini tango peita i hangaia mai i ngā waikawa kaha pērā i te waikawa whanariki kukū, te waikawa hauwaiora, te waikawa phosphoric me te waikawa hauota. Nā te mea ka ngawari te memeha o te waikawa hauwaiora kukū me te waikawa hauota ka puta he kohu waikawa, ā, he pānga waikura ki te papa whakarewa, ā, ka roa te wā e memeha ai te peita i te waikawa phosphoric kukū, ā, he pānga waikura ki te papa, nō reira, kāore i te maha ngā waikawa e toru e whakamahia ana hei memeha i te peita. Ka tauhohe te waikawa whanariki kukū me te konumohe, te rino me ētahi atu konganuku, nō reira he iti noa te waikura o te konganuku, ā, i te wā kotahi ka tino maroke, ka waro, ka whakapūkara te matū waro, ka rewa ki te wai, nō reira he maha ngā wā ka whakamahia te waikawa whanariki kukū i roto i te mīhini tango peita waikawa.

3) He mīhini tango peita whakarewa noa

Ko te mīhini tango peita whakarewa noa he mea hanga mai i te ranunga o te whakarewa waro noa me te paraffin, pērā i te mīhini tango peita T-1, T-2, T-3; ko te mīhini tango peita T-1 he mea hanga mai i te ethyl acetate, acetone, ethanol, benzene, paraffin; ko te T-2 he mea hanga mai i te ethyl acetate, acetone, methanol, benzene me ētahi atu whakarewa me te paraffin; ko te T-3 he mea hanga mai i te methylene chloride, plexiglass, plexi-glass me ētahi atu whakarewa. He ranunga te ethanol, te ware pi paraffin, me ētahi atu, he iti te paitini, he pai te pānga tango peita. He pānga tango peita tō rātou ki te peita alkyd, te peita nitro, te peita acrylic me te peita perchloroethylene. Heoi, he ngawari te whakarewa waro o tēnei momo mīhini tango peita, he mura, he paitini hoki, nō reira me whakamahi ki te wāhi e pai ana te hau.

4) Kaiwhakarewa peita whakarewa hauwai hauwai chlorine

Ka whakatauhia e te mīhini tango peita whakarewa hauwai hauwai chlorine te raruraru o te tango peita mō ngā paninga epoxy me te polyurethane, he ngāwari ki te whakamahi, he tino whai hua, ā, he iti ake te waikura ki ngā konganuku. Ko te nuinga o ngā mea he whakarewa (ko ngā mīhini tango peita tuku iho e whakamahi ana i te methylene chloride hei whakarewa waro, ko ngā mīhini tango peita o ēnei rā ia e whakamahi ana i ngā whakarewa kohua teitei, pērā i te dimethylaniline, te dimethyl sulfoxide, te propylene carbonate me te N-methyl pyrrolidone, e honoa ana ki ngā waipiro me ngā whakarewa kakara, e honoa ana rānei ki ngā pūnaha kawakore hydrophilic, waikawa rānei), ngā whakarewa-tahi (pērā i te methanol, te ethanol me te waipiro isopropyl, me ētahi atu), ngā kaiwhakaoho (pērā i te phenol, te waikawa formic, te ethanolamine rānei, me ētahi atu), ngā whakamātotoru (pērā i te waipiro polyvinyl, te methyl cellulose, te ethyl cellulose me te silica paowa, me ētahi atu), ngā aukati huarere (pērā i te ware piro, te ping ping, me ētahi atu), ngā surfactants (pērā i te OP-10, OP-7 me te sodium alkyl benzene sulfonate, me ētahi atu), ngā aukati waikura, ngā kaihoko urunga, ngā kaihoko whakamakuku me ngā kaihoko thixotropic.

5) Mīhini tango peita wai

I Haina, kua angitu ngā kairangahau ki te whakawhanake i tētahi mīhini tango peita wai-pūtake mā te whakamahi i te waipiro benzyl hei utu mō te dichloromethane hei whakarewa matua. Haunga te waipiro benzyl, kei roto hoki i tēnei mīhini te matū whakamātotoru, te aukati i te mimiti, te whakahohe me te matū horoi. Ko tōna hanganga taketake ko (ōwehenga rōrahi): 20%-40% te wāhanga whakarewa me te 40%-60% te wāhanga wai-pūtake waikawa me te matū horoi. Ki te whakatauritea ki te mīhini tango peita dichloromethane tuku iho, he iti ake te paitini me te tere o te tango peita. Ka taea e ia te tango i te peita epoxy, te paninga kōwhai konutea epoxy, inā koa mō te peita kiri rererangi, he pai te pānga tango peita.

Whakatōngia te whakatika i tēnei paraka ngā wāhanga noa

1) Te whakarewa tuatahi

Ka taea e te whakarewa matua te whakarewa i te kiriata peita mā te urunga me te pupuhi irahiko, ka taea te whakangaro i te piri o te kiriata peita ki te papa me te hanganga ā-wāhi o te kiriata peita, nō reira ko te benzene, te hauwaiwai, te ketone me te etera te nuinga o te wā e whakamahia ana hei whakarewa matua, ā, ko te hauwaiwai te mea pai rawa atu. Ko ngā whakarewa matua ko te benzene, ngā hauwaiwai, ngā ketone me ngā etera, ā, ko ngā hauwaiwai te mea pai rawa atu. Ko te whakarewa iti-paitini o te tango peita kāore i roto i te methylene chloride, ko te nuinga kei roto ko te ketone (pyrrolidone), te ester (methyl benzoate) me te waipiro etera (ethylene glycol monobutyl etera), me ētahi atu. He pai te Ethylene glycol etera mō te kapia polymer. He kaha te wairewa o te Ethylene glycol etera ki te kapia polymer, he pai te uruhanga, he teitei te ira kohua, he iti ake te utu, ā, he pai hoki te surfactant, nō reira he kaha ki te rangahau i te whakamahi hei whakarewa matua hei whakarite i te tango peita (te kaihoko horoi rānei) me te hua pai me te maha o ngā mahi.

He iti te ngota o te benzaldehyde, ā, he kaha tōna urunga ki roto i te mekameka o ngā macromolecules, ā, he tino kaha hoki tōna wairewa ki ngā mea koiora porotaka, ka nui ake te rahinga o ngā macromolecules, ka puta he ahotea. Ko te mīhini tango peita iti te paitini me te iti te hurihanga i whakaritea ki te benzaldehyde hei whakarewa ka taea te tango pai i te paninga paura epoxy i runga i te mata o te papa whakarewa i te pāmahana rūma, ā, he pai hoki mō te tango i te peita kiri rererangi. He rite te mahi a tēnei mīhini tango peita ki te mahi a ngā mīhini tango peita matū tuku iho (momo methylene chloride me te momo alkali wera), engari he iti ake te waikura ki ngā papa whakarewa.

He rauemi pai te limonene mō ngā tango peita mai i te tirohanga whakahou. He whakarewa hauwaiwai i tangohia mai i te kiri karaka, te kiri tangerine me te kiri haitarona. He whakarewa pai rawa atu mō te hinu, te ware pi me te kapia. He teitei te pāmahana koropupū me te pāmahana mura, ā, he haumaru te whakamahi. Ka taea hoki te whakamahi i ngā whakarewa ester hei rauemi mata mō te tango peita. Ko ngā āhuatanga o ngā whakarewa ester he iti te paitini, he kakara kakara, ā, kāore e wairewa i roto i te wai, ā, ko te nuinga o te wā ka whakamahia hei whakarewa mō ngā matū hinuhinu. Ko te methyl benzoate te tohu o ngā whakarewa ester, ā, he maha ngā tohunga e tumanako ana ki te whakamahi i roto i te tango peita.

2) Kaiwhakarewa-tahi

Ka taea e te whakarewa-tahi te whakanui ake i te whakarewatanga o te methyl cellulose, te whakapai ake i te matotoru me te pumau o te hua, me te mahi tahi me ngā ngota whakarewa matua kia uru ki roto i te kiriata peita, kia whakaitihia te piri i waenga i te kiriata peita me te papa, kia tere ake ai te tere o te tango peita. Ka taea hoki e ia te whakaiti i te horopeta o te whakarewa matua me te whakaiti i te utu. He maha ngā wā ka whakamahia ngā waipiro, ngā etera me ngā etera hei whakarewa-tahi.

3) Kaiwhakatairanga

Ko te kaiwhakatairanga he maha ngā whakarewa nucleophilic, ko te nuinga he waikawa waro, he phenols me he amines, tae atu ki te waikawa formic, te waikawa acetic me te phenol. Ka mahi mā te whakangaro i ngā mekameka macromolecular me te whakateretere i te urunga me te pupuhi o te paninga. Kei roto i te waikawa waro te rōpū mahi kotahi ki te hanganga o te kiriata peita - OH, ka taea e ia te taunekeneke ki te pūnaha hononga whakawhiti o te hāora, te hauota me ētahi atu ngota polar, ka hiki ake i te pūnaha o tetahi wāhanga o ngā pūwāhi hononga ā-tinana, ka whakanui ake i te tere horapa o te paninga waro i roto i te kiriata peita, ka whakapai ake i te pupuhi me te kaha ki te miro i te kiriata peita. I te wa ano, ka taea e ngā waikawa waro te whakateretere i te hydrolysis o te here ester, te here ether o te polymer me te wawahi i te hononga, ka ngaro te pakari me te pakarukaru o ngā papa i muri i te tangohanga peita.

He whakarewa pumau-whakarewa teitei te wai whakakore-ion (ε=80120 i te 20 ℃). Mēnā he mata porotaka te mata e tangohia ana, pērā i te polyurethane, ka whai pānga pai te whakarewa pumau-whakarewa teitei ki te wehewehe i te mata hiko-pūmau, kia taea ai e ngā whakarewa kē atu te uru ki roto i ngā pūwero i waenganui i te paninga me te papa.

Ka pirau te hauwai waikura i runga i te nuinga o ngā mata whakarewa, ka puta he hāora, he hauwai me te āhua hāora ngota. Mā te hāora ka hurihia te paparanga tiaki kua whakangawaritia, ka taea ai e te kaitā peita hou te uru ki waenganui i te whakarewa me te paninga, ā, ka tere ake te tukanga tango. He wāhanga nui hoki ngā waikawa i roto i ngā hanganga kaitā peita, ā, ko tā rātou mahi he pupuri i te pH o te kaitā peita ki te 210-510 kia tauhohe ai ki ngā rōpū amine kore utu i roto i ngā paninga pērā i te polyurethane. Ko te waikawa e whakamahia ana ka taea te waikawa totoka wairewa, te waikawa wai, te waikawa waro, te waikawa kore-waro rānei. I te mea he nui ake te tūponotanga o te waikawa kore-waro ki te whakaputa waikura i te whakarewa, nō reira he pai ake te whakamahi i te tātai whānui RCOOH, he iti iho i te 1,000 ngā waikawa waro wairewa te taumaha ngota, pērā i te waikawa formic, te waikawa acetic, te waikawa propionic, te waikawa butyric, te waikawa valeric, te waikawa hydroxyacetic, te waikawa hydroxybutyric, te waikawa lactic, te waikawa citric me ētahi atu waikawa hydroxy me ā rātou ranunga.

4) Ngā Whakamātotoru

Mena ka whakamahia te mīhini tango peita mō ngā wāhanga hanganga nui e hiahia ana kia piri ki te mata kia tauhohe ai, me tāpiri he matū whakamātotoru pērā i ngā pūmua wairewa-wai pērā i te cellulose, te polyethylene glycol, me ētahi atu, he tote kore-waro rānei pērā i te konutai pūhaumāota, te pāhare pākawa waro, te konutai pūkawa whākawa, me te konutai pūhaumāota. Me mōhio ko ngā matū whakamātotoru tote kore-waro e whakarerekē ana i te matotoru ka piki ake me tō rātou horopeta, ki tua atu i tēnei awhe, ka heke te matotoru, ā, ka pā pea te kōwhiringa hē ki ētahi atu wāhanga.

He pūhui wairewa-wai te waipiro Polyvinyl, he pai te wairewatanga wai, te hanga kiriata, te piri me te emulsification, engari he iti noa ngā pūhui waro ka taea te wairewa. Ko ngā pūhui polyol pēnei i te glycerol, ethylene glycol me te polyethylene glycol taumaha-iti, amide, tote triethanolamine, dimethyl sulfoxide, me ētahi atu, me whakamahana hoki i te iti o te waipiro polyvinyl ki roto i ngā whakarewa waro i runga ake nei. He ngoikore te hototahi o te waipiro polyvinyl wai me te ranunga waipiro benzyl me te waikawa formic, he ngāwari te whakatakoto, ā, i te wa ano me te methyl cellulose, he rawakore te wairewatanga hydroxyethyl cellulose, engari he pai ake te wairewatanga me te carboxy methyl cellulose.

He pūhui wai-rewa te Polyacrylamide, ā, ka taea te whakamahi me ōna hua hei whakapūpū, hei whakamātotoru, hei whakarei pepa, hei whakaroa hoki. Nā te mea kei roto i te mekameka ngota polyacrylamide te rōpū amide, he nui te hydrophilicity o tōna āhua, engari kāore e rewa i roto i te nuinga o ngā otinga rauropi, pērā i te methanol, te ethanol, te acetone, te ether, ngā hauwaiwai aliphatic me ngā hauwaiwai kakara. He pumau ake te otinga wai methyl cellulose i roto i te momo waikawa benzyl alcohol, ā, he pai te whakaranu o ngā momo matū wai-rewa. Ko te nui o te matotoru e whakawhirinaki ana ki ngā whakaritenga hanga, engari kāore te pānga matotoru e rite tika ki te nui, me te pikinga o te nui i tāpirihia, ka whakaitihia te pāmahana gelation e te otinga wai. Kāore e taea te whakanui ake i te momo Benzaldehyde mā te tāpiri i te methyl cellulose kia tutuki ai te pānga matotoru nui.

5) Ārai Waikura

Hei ārai i te waikura o te papa (ina koa ko te konupora me te konumohe), me tāpiri he nui o te aukati waikura. He raruraru te waikura e kore e taea te wareware i roto i te tukanga whakaputa tuturu, ā, ko ngā mea e rongoatia ana ki te tango peita me horoi me whakamaroke ki te wai, me horoi rānei ki te rōsin me te penehīni i te wā tika kia kore ai e waikura te konganuku me ētahi atu mea.

6) Ngā aukati pūngāwerewere

I te nuinga o te wā, he ngāwari te mimiti o ngā matū he pai te uruhanga, nō reira, hei ārai i te mimiti o ngā ngota whakarewa matua, me tāpiri he nui o te aukati mimiti ki te tango peita hei whakaiti i te mimiti o ngā ngota whakarewa i roto i te tukanga whakaputa, kawe, rokiroki me te whakamahinga. Ina pania te tango peita me te ware paraffin ki runga i te mata peita, ka hangaia he paparanga angiangi o te ware paraffin ki runga i te mata, kia roa ai te wā o ngā ngota whakarewa matua ki te noho me te uru ki roto i te kiriata peita hei tango, ā, ka pai ake te pānga o te tango peita. Ko te ware paraffin totoka anake ka kore e horapa, ā, ka noho he iti noa te ware paraffin ki runga i te mata i muri i te tango peita, ka pā ki te rehu anō. Mena e tika ana, tāpirihia he emulsifier hei whakaiti i te taumahatanga o te mata kia pai ai te marara o te ware paraffin me te ware paraffin wai, kia pai ake ai te pumau o te rokiroki.

7) Kaihoroi

Mā te tāpiri i ngā matū horoi, pērā i ngā matū horoi amphoteric (hei tauira, imidazoline) me te ethoxynonylphenol rānei, ka āwhina i te whakapai ake i te pumau o te penapena peita, ā, ka māmā ake te horoi i te peita ki te wai. I taua wā anō, mā te whakamahi i ngā ngota matū horoi me ngā āhuatanga rerekē e rua o te matū horoi, ka pā ki te pānga wairewa; mā te whakamahi i te pānga rōpū colloidal o te matū horoi, ka tino piki ake te wairewa o ētahi wāhanga i roto i te whakarewa. Ko ngā matū horoi e whakamahia whānuitia ana ko te propylene glycol, te sodium polymethacrylate, te sodium xylenesulfonate rānei.

Hinga