Saturated main chain nei non-polar rubber chi khat angin, ethylene propylene rubber hian khaw lum leh khaw vawt, polar media resistance, tar resistance, ozone resistance, etc.-ah te performance tha tak a nei a, mahse, ethylene propylene rubber grade tam tak a awm a ni. Mahse, ethylene propylene rubber grade tam tak a awm a, ethylene propylene rubber grade hrang hrang, ethylene content hrang hrang nei, third monomer type leh content, Mooney viscosity, etc. technician-te’n ethylene propylene rubber grade dik tak an thlan theihna tur chuan, he paper hian enb type ethylene propyne-a hman thin, enbylene propyne-a hman tlanglawn chi tlemte a thlang a ni. Ethylene content, third monomer content leh Mooney viscosity te hian material performance a nghawng dan. Research engemaw tak tih a ni a, chu chuan kaihhruaina awmzia engemaw zat a nei a ni.
Technology leh khawtlang nun a lo thang zel a, mipuiten light-colored products an mamawhna pawh a sang chho zel a, light-colored leh colored rubber products te chu mipui nunah a lut zauh zauh a, silica chu light-colored rubber products reinforcing agent ber a ni a, a pawimawh zual zel a ni.
Reinforcing agent pakhat, light-colored rubber products-a hman ber a nih avangin Silica hian hmun pawimawh tak a chang chho zel a ni.
Results leh sawihona .
1 Ethylene propylene rubber hrang hrang Vulcanization performance .
Ethylene awm zat hian burn-in time (TC10) leh process positivity a nghawng dan chu ethylene propylene rubber a ni.
.Ethylene content-in ethylene propylene rubber (TC10) leh process vulcanization time (TC90) curing time-a nghawng a neih dan chu a lian hle a, ethylene content a pun zel avangin, a material-a TC10 leh TC90 te chu a tawi zauh zauh a, a pathumna monomer-a content chuan TC10 leh TC90-a thil thlengte chu a hnaih hle a, chu chu a ni. Chutiang bawkin, monomer pathumna thupui a hniam chuan, material-a TC10 leh TC90 a tawi zawk a; Material a torque (ml) tlem ber chuan a pathumna monomer a awm zat a hniam zawk.
Material-a torque (ML) tlem ber chu ethylene awm zat hian a nghawng ber a, ethylene content a san chuan, material-a ML a san chuan vulcanization bul tannaah mobility a chhe zawk a, a chhan chu maximum torque (MH) hian rubber modulus a lantir thei a, chu chu ethylene content a pun zel avangin, a pathumna monomer-te chu a pung chho zel a, chu chu a pung zel a ni, a ni. Third monomer content contribution nen positive proportional chu material content a sang a, material modulus a tam poh leh material modulus a sang a, material modulus a sang zawk bawk. Ethylene content inang emaw, inang lo emaw tan chuan monomer content pathumna a tam chuan modulus a sang zawk thin. Torque sang ber leh torque hniam ber (MH -ML) inthlauhna hi rubber material cross-linking degree characterize nan hman a ni a, ethylene content leh monomer pathumna te hian cross-linking degree-ah nghawng inang an nei tih hmuh theih a ni a, ethylene content a sang poh leh cross-linking degree a sang zawk a, a pathumna chu a sang zawk a, chu chu a sang zawk a, chu chu a sang zawk a ni.
2 Ethylene propylene rubber zirchianna hrang hrangte mechanical property .
Rubber-a hardness hi ethylene awm zat hian a nghawng ber a, ethylene a tam poh leh rubber hardness a sang zawk a, monomer content pathumna chuan hardness-ah nghawng a nei tlem zawk a Material tensile strength and tear strength by ethylene a lang chiang zawk a, ethylene awm zat a pun zel avangin, material tensile strength leh tear strength a sang chho zauh zauh a, chu chu ethylene content inang emaw, inang emaw a nih chuan, pathumna monomer content a san chuan, material tensile strength leh tear strength a sang zawk tih a tilang a, hei hian ethylene content chu a inang tih a tilang a, material tensile a sang poh leh tensile tenile tenile tenile tenile a sang zawk a, chu chu a sang zawk a ni. Strength, material tensile strength a san chuan material tensile strength leh tear strength a sang zawk. Chutiang bawkin, monomer pathumna a tam poh leh, chu thila tensile strength leh tear strength a sang zawk a, hei hian ethylene content leh third monomer content chu synergistic effect effect-a chaknaah a awm tih a tilang a Ethylene awm zat leh material stretching stress-a monomer content pathumna chu material chakna chunga nghawng a neih dan nen a inang a, chu chu material-a ethylene content a san chuan, material tensile stress-a third monomer content chu a inmil angin a sang zawk a Ethylene awm zat tensile elongation of a smaller effect, ethylene awm zat tihpunna nena material tensile elongation range engemaw zat chhungah, hmun khatah chuan, a tensile strength leh tear strength chu a sang chho zauh zauh a, chu chu hmun khatah, third monomer content a sang zawk a ni. Range engemaw zat chhungah chuan elongation at break chu ethylene-based content a san chhoh zel chuan a pung zauh zauh a, chutah chuan degree engemaw chen hnuah a tlahniam zauh zauh tan a, chu chu monomer content pathumna chu break-a elongation inthlak danglamna nen inversely proportional a ni a, ethylene-based content ang chiah emaw, a ang chiah emaw tan chuan, a pathumna monomer chu a hniam zawk a, chu chu elongation at break a ni a Material abrasion performance hian a hardness leh strength nen inzawmna a nei lian zawk a, a tlangpuiin, hardness leh strength a sang zawk chuan abrasion volume chu a zirin a tlem zawk ang a, abrasion performance pawh a tha zawk ang Ethylene-based content a pun zel chuan hardness leh strength leh material abrasion performance inzawmna engemaw tak a awm a. Material hardness leh strength te hian degree engemaw chen an nei a, abrasive volume chu a tlahniam zauh zauh a, third monomer content sir pahnih chuan material abrasive property te pawh a nghawng dawn a, chu chu monomer pathumna awm zat tihpunnaah a lang chhuak a, chu chuan material abrasive volume a tihtlem phah dawn a, mahse ethylene content effect nen khaikhin chuan, a pathumna monomer content hian a abrasive property-ah nghawng a nei tlem zawk a ni.
3 ethylene propylene rubber heat-resistant air aging performance .
160 °C-a 24h-a tar hnuah chuan, thil awmdan khauhzia chu a danglam tlem hle a, constant tensile stress chu a pung tlem a, mahse overall retention rate a sang zawk a, tensile strength a tlahniam deuh a, overall retention rate a sang reng a, tensile elongation rate pawh a ṭha chho deuh a Hei hi a chhan chu ethylene-propylene rubber hi rubber a ni a, saturated main chain a nei a, heat-air aging resistance sang zawk a nei a ni. Ethylene propylene rubber-a hot air aging resistance tha tak avang hian ethylene content leh third monomer content te hian boruak lum hun rei lo te chhunga aging performance a nghawng dan lantir a harsa hle.
4 Ethylene propylene rubber chi hrang hrang a awm lo.
Ethylene awm zat a pun zel avangin, a temperature hniam lutuk resistance chu a chhe zauh zauh a.
Ethylene awm zat a pun zel chuan, thil awm zat temperature resistance hniam chuan a chhe zauh zauh a, ethylene awm zat inang emaw, a inang emaw, monomer pathumna awm zat a hniam zawk chuan, thil awm zat temperature hniam zawk, ethylene propylene rubber-a ethylene awm zat a pun zel avangin, a molecular regularity degree chu a sang chho zel ang a, macromolecules-te chu a sang chho zel ang a, chu chu a sang chho zel ang Crystallization theihna a san chuan thil harsa leh chakna a tipung ang a, mahse molecular chain pum puia flexibility a ti tlem bawk ang a, chutiang chuan material temperature hniam tak resistance chu a tlahniam ang. Ethylene group-a thil awm chu a inhnaih chuan, a pathumna monomer-a a awm zat a hniam chuan thil chu cross-linking degree hniam zawk a thlen ang a, chu chuan molecule pum puia flexibility a tipung ang a, material temperature hniam tak resistance a ti ṭha ang.
Tawpna
(1) Ethylene propylene rubber grade hrang hrang, a ethylene content hian performance lam hawi zawng zawngah nghawng a nei lian ber a, a dawttu monomer content pathumna chuan Mooney Viscosity hian a processing performance-ah nghawng a nei lian zawk a, property dangte chungah pawh nghawng a nei tlem zawk bawk.
(2) Ethylene propylene rubber-a third monomer type leh content inang chiah tan chuan ethylene content a sang chuan mechanical strength a sang zawk a, heat leh air aging performance laka invenna a tha zawk a, mahse temperature hniam performance a do theihna a tha lo thung.
(3) Ethylene propylene rubber-a ethylene awm zat inang chuan monomer pathumna a tam poh leh mechanical strength a sang zawk a, a lumna leh boruak a tar theihna a sang zawk a, mahse temperature resistance a hniam zawk thung.
