Ndezvipi zvinhu zvinopisa zvePolymer zvinhu

August 19, 2024

Ndezvipi zvinhu zvinopisa zvePolymer zvinhu?

1. coefficient yemutsetse wekuwedzera kwekuwedzera

Iyo coeffisto yemutsara yekuwedzera yekuwedzera ndeyekuwedzera muzana shanduko pakureba kwechinyorwa cheese 1 ° C Shanduko mu tembiricha. Iyo avhareji yekubatanidza yemutsetse yekuwedzera inoratidza mutsara wekuwedzera hunhu hwezvinhu mune imwe zvinhu tembiricha.

Avhareji yekubatanidza yekuwedzera mutsara, α, inoverengwa zvinoenderana neyekutevera formula:

Iko δL ndiyo arithmetic zvinoreva kukosha kwekushandurwa kwehurefu hwechifungidziro panguva yekuwedzera kana kubvumirana, mm; l iko kureba kwefungidziro pamhepo tembiricha, mm; ΔT ndiko kusiyanisa mutsauko wechifunga mune yakakwirira uye yakaderera tembiricha thermostat, ℃.

Kwayedza: GB / T1036-2008

2. inobata

Hourity Discount

Thermal concess

Uko q iri iyo inobata distrive yeiyo fungidziro nguva dzose, J; S ibvu remufungidziro, m; A ndiyo inzvimbo inoshanda yekudziya yekufambisa yeiyo fungidziro, m2; Inguva yekuyerwa, s; Δt ndiyo yakaenzana tembiricha musiyano pakati peiyo inopisa uye inotonhora ndiro, k.

Kwayedza Standard: GB / T 3399-1982 Thermal Discount Test nzira yePlasttics Thermal Plate Plate Plate nzira.

3. chaiyo inokanganisa kugona

Chaizvoizvo his yekupisa

Chaiyo yekupisa yekukanganisa inoverengwa zvinoenderana neye inotevera formula:

Uko kupisa kwakanyudzwa neiyo fungidziro, j; m imiso yeiyo fungidziro, kg; Musiyano mutsauko mukupisa zvisati zvaitika uye mushure mekufungidzira kuchibata kupisa, K.

Bvunzo

4. Girazi transition tembiricha

Amorphous kana semi-crystalline polymers, kubva kuViscous inoyerera nyika kana yakakwirira elastic mamiriro kune iyo girazi mamiriro ekuchinja kunonzi iyo girazi shanduko. Shanduko yegirazi inoitika mukati memukati medhuriki tembiricha, tembiricha pane yayo miganho midPoint inonzi iyo girazi transurity tembiricha (girazi tembiricha).

Girazi rinoshandurwa tembiricha, rinowanzo shandiswa kuwedzera mita kana tembiricha - deformation curve nzira; Inogona zvakare kushandiswa kuti uongorore rekusiyanisa kuongororwa, senge tda, DSC, tma kutsunga.

Kwayedza Standard GB / T 11998-89 Plastiki girazi transtion tembiricha yekutsvaira nzira yekuongorora maitiro ekuongorora.

5. Mechanical zvivakwa pane yakadzika tembiricha

Zvivakwa zvemakaniki pane yakadzika tembiricha (michina yezvivakwa pane yakadzika tembiricha) inomiririra maitiro emidziyo yemidziyo pane yakadzika tembiricha. Inowanzo shandiswa bvunzo nzira dzakasarudzika-tembiricha dzinoputika, dzinotsvedza uye elongation uye dzimwe nzira.

Brittle tembiricha (tembiricha yekudziya): chiyero chekudziya kwekushisa maitiro ePolymers. Neimwe simba rakawanda renyundo fungidziro, kana fungidziro inopwanya mukana we50% ye tembiricha inonzi tembiricha (℃).

Kwayedza Standard: GB / T5470-2008008 PLUPTICTIVE IMBRTLETE TEPRUTTTTE TEPTET Nzira.

6. Martiden's Heat Resterance

Marten's Lest (Marten's Lest) Inoreva Chiraya Chekupindira tembiricha (℃).

Kwayedza Standard: GB / T 1035-1970 Mapurasitiki Kupisa Kudziya (Martin) nzira yekuyedza

7. Vicat Softening Point

Pasi pemamiriro ezvinhu akaenzana ekumhanyisa kupisa, glaet themle ine mutoro wakataurwa uye nzvimbo yemuchinjiko ye l mm2 inoiswa yakatwasuka pane iyo fungidziro. Kana iyo flat thimle yekuboora iyo fungidziro l mm

Bvunzo standard: gb / t 1633-2000 kutsunga kweiyo vicat softing tembiricha (VST) yeTermoplastics

8. Thermal Decomposition tembiricha

Tembiricha yedhisheni yekupisa Inogona kutsanangurwa nekupisa kurasikirwa nzira, kusiyanisa nzira yekumanikidza kana diacomposition gasi yekuona nzira (ta).

9. murazvo kuramba

Kuramba kurwisa kunoreva kugona kwezvinhu zvekuramba kana kusangana nemurazvo wemurazvo kana kudzivirira kuenderera mberi kana kubviswa mumurazvo wemurazvo.

Test Standard:

GB / T2406-1993 Muedzo Yekutanga Maitiro Ekudzivirira Kwekuita Kwepurasitiki Oxygen Index nzira

GB / T 2407-1980 bvunzo nzira yekuita concustion performance yePurastics fiery tsvimbo nzira

GB / T 2408-1996 bvunzo nzira yekubatanidza mashandiro emapurasitiki: yakatwasuka nzira uye nzira inopenya

GB / T 4610-1984 Kuyerwa Kwekudziya Tembiricha yePurasitiki Combustion Performance Test nzira

GB / T 8323-1987 Test nzira yekupisa basa rekuita kwepurasitiki kuputa fsity nzira

GB / T 9638-1988 kuyerwa kwechiitiko chesipo yemapurasitiki emucheto

Zvadaro

Taura nesu

Author:

Ms. Tina

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