Mekhoa ea 'mele ea' mele ea thepa ea polymeric

August 18, 2024

Thermoplatric, e tsejoa hape e le thempempe ea thermosoft, ke mofuta oa polymer ea polasetiki e ka bang teng e ka bakang mocheso o phahameng ebile e thata ha o na le phofo.

Litulo tsa polymer li kopantsoe hammoho ka matla a bolumeli, a fokolisang ha mocheso o ntse o eketseha, ho hlahisa mokelikeli oa Viscous. Thermoplastics e ka khutlisoa naheng ena 'me e sebelisoa hangata ho likarolo tsa ho etsa mekhoa ea polymerments e kang ea ente ea boikhathollo, ho hlakoloa.

Thepa ea 'mele ea polymer

Sebopeho, mofuta oa likarolo tseo polyers tse tsoang ho tsona li hlahisoang ke lihlomo tse hlahisoang, 'me lintho tse ling li susumetsa litšoaneleho tsa polymer. Tse latelang ke thepa e meng ea li-polymers:

Matla a Trntile - matla a polymermer a bonahala a otloloha a sa tlohe. Karolo ena ea lingaka e khetholla matla le ho tšoarella ha tsona.

Lintlha tse qhibilihang le tse kulang - li-polyers li na le lintlha tse qhibilihang haholo le tse belang. Chaine e telele haholo e bolela matla a tšoanang le a ho ts'oana, 'me kahoo ho qhibiliha le lintlha tse phehang.

Ho thata - li-polymimers tse thata li loants'oa lintho tse thata li li kopanya. Ba sebetsa khoebong ea li-electrics mme ba ka mamella ho apara le ho ruruha hammoho le likhahla.

Ho ipapisitse le liphapang tse ngata tsa liphallelo, polymers li arotsoe e le polymers ea likhoele tsa menoana kapa polymer e tlase.

Matla a mocheso / a futhumatsang - sena se khetholla hore phooki e atlehe e be setsebi sa mocheso ka katleho e le setsebi sa mocheso. Ho halefa ha boitšoaro ba Polytmer ho khethoa ke ho satalla ha limoleke tsa sona.

Katoloso ea mocheso - Thepa ena e etsa qeto ea hore na polymet e atolosoa kapa e phatloha ha e pepesoa ka mocheso kapa ho bata.

Crystallinity - hobane Polymers e nang le crystallions e nyane e brittle, e molemo haholoanyane. Mofuta oa mokhatlo o hlophisitsoeng oa lithotooa oa polymeric o khetholla karolo ena.

Li-sulymity- polymers tse nang le likhokahano tse fokolang tse amanang le li-intermolecular li ea eketseha haholo ebile li tlameha ho ba teng.

Physical Properties of Polymeric Materials

1. Ho nepahala ha khase

Ho nepahala ha khase hangata ho buuoa ka ho nepahala ha moea kapa ho sebetsa hantle.

1) Ho nepahala ha khase

E bua ka bophahamo ba khase e tšoarellang sebakeng sa filimi ea polasetiki ea botenya ka tlasa khatello ea moea (tlasa maemo a 24, m3.

2) METSOALLE

Tlas'a maemo a tloaelehileng, boholo ba khase bo lebisang ho filimi ea polasetiki ea sebaka sa sebaka sa sebaka le sethunya sa unit ka nako ea unit le tlasa phapang ea khatello.

Tekanyetso ea liteko: GB / T 1038-2022

2. Mountture ea mongobo

Ho loka ha metsi ho bonahala ho hlahisoa ke palo kapa ka mokhoa o hlakileng oa ho phela ha metsi.

1) Ho loka ha metsi

Matla a mouoane oa metsi a fetang ka lataoana pele a fifala lipakeng tsa mahlakore a mouoane pakeng tsa mahlakore a mabeli a motlakase.

2) Tekanyetso ea mongobo ea mongobo

Palo ea mouoane oa metsi o fetisang sebakeng sa unit le yuniti ea hau ea filimi ka nako ea unit le phapang ea khatello ea maikutlo.

Teko ea liteko: GB / T 1037-2021 Mokhoa oa liteko bakeng sa mouoane oa metsi oa polasetiki.

3. Ho nepahala ha metsi

Ho nepahala ha metsi (ho nepahala ho ho be bo tloaelehile ka ho beha mohlala oa liteko tlasa khatello e itseng ea metsi le nako e itseng ea metsi ka leihlo le hlobotseng ka kotloloho le leihlo le hlobotseng.

Tekanyetso ea Teko: HG / t 2582-2022 boikemisetso ba metsi a tebileng kapa masela a koahetsoeng ka polasetiki.

4. Ho monya metsi

Ho monya metsi ho bolela hore na metsi a kenelletse ka ho kenya mofuta oa boholo bo boletsoeng ka har'a metsi ka mocheso o itseng bakeng sa 24h.

Tekanyetso ea Teko: GB / T 1034-2008 Mokhoa oa tlhahlobo ea metsi oa metsi bakeng sa polante

5. TLHOKOMELISO LE LITLHAKISO TSE KHOLO

1) matloana

Boima ka 'nete molumo oa thuto ea thepa ka mocheso o boletsoeng. Yuniti ke kg / m3 kapa g / g / cm3 kapa g / ml.

2) boleng bo amanang (matloana a lekanang)

Karolelano ea bongata ba molumo o itseng oa ntho ho tšobotsi ea ntho e tšoanang ea molumo o le mong ka mocheso o le mong. Matloana a marang-rang a mocheso ka mocheso o tlase e le DTT. Ha ntho e buang ka eona e le metsi, e bitsoa matlung a amanang.

Letsoalo ho mocheso oa mocheso oa mocheso o ka fetoloa ke mokhoa o latelang:

Density and relative density at temperature t

Moo ho leng fript e lekanang le mofuta o mong oa mofuta oa mocheso o t ℃; PT ke letsoalo la mofuta o lebisang ho mocheso oa mocheso o t ℃; PW ke letsoalo la metsi ka mocheso o futhumetseng t ℃.

Tekanyetso ea Teko: GB / T 1033-2008 PUSELETSO EA PUSELETSO EA PUSELETSO EA LITLHAKISO TSA BOPHELO

6. Shrinkage

Mold Shrinnkage (Mold Shrinnkage) hangata e bontšoa e le ho cheka shrinking kapa shrinkge ea ho hlapaola.

1) shrinking shrinkhge

Ho isa moo boholo ba karolo e botsoang bo fokolang ho feta boholo ba bokaholimo bo lekanang, hangata bo hlahisoa ho MM / mm.

2) shrinking shrinkge

Ha e tsejoa hape e le shrulocalge e shrulogical, ke karolo ea karolelano ea boholo ba karolo ea karolo e tsamaellanang mold ka boholo bo lekanang, hangata e hlahisoa ka%.

Tekanyetso ea Teko:

GB / T 15585-1995 boikemisetso ba ho nyenyefatsa monko oa boqhekelli ba thelmoplastics

GB / t 17037.4-2003 Ho hlophisoa ha li-animens tsa thermoppolastic ho tatellano ea li-shrime

JG / T6542-1542-1542-194 Dest of Shrinkage ea Tlhabollo ea Bolmotics Platics.

E fetileng

E 'ngoe

Iteanye le rona

Author:

Ms. Tina

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