Nchịkọta nke ihe ọmụma ngwa nke PVC mmetụta modifiers

Nchịkọta nke ihe ọmụma ngwa nke PVC mmetụta modifiers

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(1) CPE

Chlorinated polyethylene (CPE) bụ ngwaahịa ntụ ntụ nke chlorination kwụsịtụrụ nke HDPE n'oge mmiri mmiri. Site na mmụba nke ogo chlorination, HDPE kristal mbụ na-eji nwayọọ nwayọọ na-aghọ elastomer amorphous. A na-eji CPE eme ihe dị ka ihe na-eme ka ike sie ike n'ozuzu nwere ọdịnaya chlorine nke 25-45%. CPE nwere ọtụtụ isi mmalite na ọnụ ala dị ala. Na mgbakwunye na mmetụta siri ike ya, ọ nwekwara nguzogide oyi, nguzogide ihu igwe, ọkụ ọkụ, na nguzogide kemịkal. Ka ọ dị ugbu a, CPE bụ onye na-eme mgbanwe mmetụta kachasị na China, karịsịa na mmepụta nke ọkpọkọ PVC na profaịlụ, na ọtụtụ ụlọ ọrụ na-eji CPE. Ọnụ ego mgbakwunye na-abụkarị akụkụ 5-15. Enwere ike iji CPE na ihe ndị ọzọ na-eme ka ike sie ike, dị ka roba na EVA, iji nweta nsonaazụ ka mma, mana ihe mgbakwunye roba anaghị eguzogide ịka nká.

(2) ACR

ACR bụ copolymer nke monomers dị ka methyl methacrylate na acrylic ester. Ọ bụ ihe mgbanwe mmetụta kachasị mma emepụtara n'afọ ndị na-adịbeghị anya ma nwee ike ịbawanye ike mmetụta nke ihe site na ọtụtụ iri ugboro. ACR bụ nke mgbanwe mgbanwe nke isi-shell Ọdịdị, nke nwere shei nke mejupụtara methyl methacrylate ethyl acrylate polymer, yana elastomer rọba kpụrụ site na ijikọta butyl acrylate dị ka akụkụ isi yinye kesara n'ime oyi akwa nke ahụ. Karịsịa adabara mmetụta mgbanwe nke PVC plastic ngwaahịa maka n'èzí ojiji, iji ACR dị ka mmetụta modifier na PVC plastic ụzọ na window profaịlụ nwere àgwà nke ọma nhazi arụmọrụ, ezigbo elu, ezi ịka nká iguzogide, na elu ịgbado ọkụ nkuku ike tụnyere ndị ọzọ modifiers. , ma ọnụahịa dị ihe dị ka otu ụzọ n'ụzọ atọ dị elu karịa CPE.

(3) MBS

MBS bụ copolymer nke monomers atọ: methyl methacrylate, butadiene, na styrene. Oke solubility nke MBS dị n'etiti 94 na 9.5, nke dị nso na oke solubility nke PVC. Ya mere, ọ nwere ezigbo ndakọrịta na PVC. Ihe kachasị ya bụ na mgbe ọ gbakwunyere PVC, enwere ike ịme ya ka ọ bụrụ ngwaahịa na-emepụta ihe. N'ozuzu, ịgbakwunye akụkụ 10-17 na PVC nwere ike ịbawanye ike mmetụta ya site na ugboro 6-15. Agbanyeghị, mgbe ọnụọgụ MBS agbakwunyere karịrị akụkụ 30, ike mmetụta nke PVC na-ebelata n'ezie. MBS n'onwe ya nwere mmetụta dị mma na-arụ ọrụ, nghọta dị mma, na nnyefe nke ihe karịrị 90%. Ka ọ na-eme ka arụmọrụ mmetụta dịkwuo mma, ọ na-enwe mmetụta dị nta na ihe ndị ọzọ nke resin, dị ka ike nkwụsị na elongation na nkwụsịtụ. MBS dị oke ọnụ ma na-ejikarị ya na ndị ọzọ na-eme mgbanwe mmetụta dị ka EAV, CPE, SBS, wdg. MBS nwere nkwụsị ọkụ na-adịghị mma na nkwụsị ihu igwe, na-eme ka ọ ghara ịdị mma maka iji ogologo oge mee ihe n'èzí. A naghị ejikarị ya eme ihe dị ka ihe na-eme mgbanwe na mmepụta nke ọnụ ụzọ plastik na profaịlụ window.

(4) SBS

SBS bụ ternary ngọngọ copolymer nke styrene, butadiene, na styrene, nke a makwaara dị ka thermoplastic styrene butadiene roba. Ọ bụ nke thermoplastic elastomers na usoro ya nwere ike kewaa ụzọ abụọ: kpakpando ekara na linear. Oke styrene na butadiene na SBS bụ nke kachasị 30/70, 40/60, 28/72, na 48/52. A na-eji ya eme ihe dị ka ihe mgbanwe mmetụta maka HDPE, PP, na PS, nwere akụkụ 5-15. Ọrụ bụ isi nke SBS bụ imeziwanye nguzogide mmetụta okpomọkụ ya dị ala. SBS nwere nguzogide ihu igwe na-adịghị mma ma ọ dịghị mma maka ngwaahịa eji eme ihe ogologo oge.

(5) ABS

ABS bụ ternary copolymer nke styrene (40% -50%), butadiene (25% -30%), na acrylonitrile (25% -30%), nke a na-ejikarị dị ka plastik injinia ma jiri ya mee mgbanwe mgbanwe mmetụta PVC, yana ezigbo ala. mmetụta mgbanwe mgbanwe okpomọkụ. Mgbe ọnụọgụ nke ABS agbakwunyere ruru akụkụ 50, ike mmetụta nke PVC nwere ike ịdị ka nke ABS dị ọcha. Ọnụ ego nke ABS agbakwunyere na-abụkarị akụkụ 5-20. ABS nwere nguzogide ihu igwe na-adịghị mma ma ọ dịghị mma maka iji ogologo oge mee ihe n'èzí na ngwaahịa. A naghị ejikarị ya eme ihe dị ka ihe na-eme mgbanwe na mmepụta nke ọnụ ụzọ plastik na profaịlụ window.

(6) EVA

EVA bụ copolymer nke ethylene na vinyl acetate, na iwebata vinyl acetate na-agbanwe kristal nke polyethylene. Ọdịnaya nke vinyl acetate dị nnọọ iche, na ntinye ntụgharị nke Eva na PVC dị iche, na-eme ka o sie ike ịnweta ngwaahịa ndị na-emepụta ihe. Ya mere, a na-ejikarị EVA na-ejikọta ya na resins ndị ọzọ na-eguzogide mmetụta. Ọnụ ego EVA agbakwunyere erughị akụkụ 10.


Oge nzipu: Mar-15-2024