Zibelesyo zya PVC zyaatala kapati SG3, SG5, SG7: Injiniya Iibambidwe Kumanizya Kumanizya Kumanizya Mafakitali

Bupange bwama Molecule aBube Bwamubili

SG3 (Chisumpukide - Chiimo Chakucinca)
Yakapangwa a 1300 - 1500 antoomwe a K - value ya 70 - 72, eechi chiimo chili amaketani malamfu aama molecule aagwasya kujatikizyigwa kwa plasticizer. Kwaabila kwazibeela zya 60 - 250μm kupa kuti kube kumwaika kweendelana muzibeela ziteteete, kupa kuti 25 - 35g ya plasticizer inywe mu 100g ya resin. Bupange butakwe mpuwo bupa kulampa kupati aawo notyoka, akupa kuti bube kabotu kuzintu ziyandika kugonkwa ziindi zyiingi kakunyina kutyoka.

SG5 (Versatile Medium - Giledi)
Kweezyanisya mweelwe wa 1000 - 1100 a K - mpindu ya 65 - 67, SG5 ilapa busena buli akati-akati. Bunji bwazibeela zyayo (0.45 - 0.58g/mL) zipa kuti kube kweenda kabotu mukugusya akunjizya, mpawo kuyoya kwapulasitiki (20 - 28g/100g) kupa kuti kube kucinca kuzwa kuzikwabilizyo zyantambo zitazungaani kuya kuzintu zitazungaani pe. Kubamba nketani yamamolekyula lyoonse kulacesya tumpenda twakubelesya, kupa kuti bwaanda bube buteteete mukugwisya mapaipi.

SG7 (Gredi ya Injiniya Iiyumu)
Aawo 700 - 850 a K - value ya 60 - 62, SG7 ilabikka kunembo kubamba kabotu kwama molecule kuti kakuli kuyuma. Bupange bwayo bupati bwa 40 - 180μm (bunji bwa 0.50 - 0.62g/mL) bulagwisya busena muzibeela zipangidwe, mpawo bupa kuti kutabi kutyompokelwa muzibeela zyakuyaka. Ikunjila kwapulasitiki kusyoonto (15 - 22g/100g) kupa kuti kube zintu ziyumu, mpawo vinyl monomer ≤3μg/g ilazuzikizya zyeelelo zyakukwabilila chakulya - kuguma.

Nzila zyakubelesya

SG3: Syaazibwene mukuchincha
Muzibeela zyabulimi, SG3 - mafilimu aajisi 40 - 50 phr plasticizer ziyungizyidwe apanga UV - zivwunisyo zya greenhouse zitazungaani, zyeendelezya mumuni uuzwa anguzu zyakukazya misozi. Mukubelesya mubusilisi, bunji bwayo bwa monomer bupa kuti kube tuyubu tutete twakubelesya minchina yakusanzya bulowa, mpawo muzisani zyakusama, bupa kuti kube ntambo ziyumu zikonzya kubamba chiimo muchiindi chakucinca kwakupya.

SG5: Mubelesi waMakkampani
Basikupanga ntambo babelesya SG5's 10 - 20 phr plasticizer range kupanga ntambo zyakukwabilila zikwabilila mulilo, kusanganya kukwabilila magesi akuyuma kwaminchina. Mukuyaka, ilazwa muzibeela zyakujala mawindo aatakonzyi kunjililwa zuba, ooko buyumu bwayo buli akati-akati nkobukonzya kukazya kunyonyooka kwa ozone. Zibeela zyamootokala zyakabumbwa kwiinda mukubelesya injection, zilimbuli milyango, zilagwasyigwa akujatikizyigwa kwazyo - manguzu - abulemu bwazyo.

SG7: Silumamba wakuyuma
Nzila zyakubelesya mapaipi mumafakitali ziyeeme a SG7's modulus mpati mumapaipi aatakwe misamu iikola alimwi amapaipi aameenda aajisi nguzu. Mawindo aazwa anze, aawo naaswaanganyigwa a titanium dioxide, atondezya kutazungaana kwamubala kunze. Basikupanga zibelesyo zyamagesi balazibelesya mukupanga zibelesyo zyakubelesya, kababelesya kukkalilila kwazyo muchiindi chakubunganya muchiindi chakupya kapati.

Bbuku lyakugwasya nzila

Kweendelezya Kupya
SG3 iyanda kweendelezya kupya loko (160 - 180°C) kuchitila kutabilila kubola kakuchili chiindi; nikuba kuti 10°C yainda ilakonzya kupa kuti hydrochloric acid izwe, mpawo eezi zipa kuti kube mubala wasalala pyu. Mukwiimpana, SG7 ilakonzya kubeleka a 180 - 200°C, ikuzumizya kufwambaana kuzwa mumapaipi mapati, nikuba kuti kwiinda 210°C kulakonzya kuleta ntenda yakutyoka kwama molecule.

Kubamba Nzila Yakuyungizya
Kukkalilila: SG3 iyanda 1 - 2 phr ya calcium - zinc composite stabilizers kuti ilwisye kubola kwakupya muchiindi chakubelesya ma plasticizer manji, mpawo SG7 iyandika buyo 0.5 - 1 phr akaambo kakucheya kwa plasticizer - induced stress.
Kusanzya: Misyobo yoonse ilagwasyigwa a 0.2 - 0.5 phr ya polyethylene wax, asi SG3 ilakonzya kuyandika misamu myiingi kuchitila kuti kutabi kuzwangana mukati muzintu ziteteete.
Ziyungizyo zibeleka: Ma antioxidants aali mu SG7 alayungizya buumi bwakubeleka anze, mpawo zintu zipa kuti kube kuchincha mu SG5 ziyungizya nguzu zyakukwabilila muchiindi chakutontola.

Busongo bwa Injiniya mukupanga zintu zya resin

Kwiinda mukuswaanganya busongo bwakupanga ma molecule antoomwe akusunka kweendelezyegwa akubelesya, SG3, SG5, SG7 zyesu zipa nguzu kuli basikupanga kuti bazwidilile kulezya kwa PVC. Kuzwa kukucinca-cinca kuyandika kuzintu zibelesyegwa buyo mubusilisi kusikila kukusyomeka kwabupange buyandika mukuyaka maanda malamfwu, aaya ma resini atondezya kusanganya kwabusongo bwasayaansi akubeleka kwamakwebo—kubikka zyeelelo zipya zyakubeleka kabotu - kweendelezyegwa anzila zya polymer.

Zitondezyo

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