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Kodi CTBN ndi chiyani?

CTBN ndi polima yosinthasintha kwambiri yomwe imaphatikiza makhalidwe a butadiene ndi acrylonitrile. Imagwiritsidwa ntchito kwambiri ngati cholimba mu epoxy resins, thermoplastics ndi zinthu zina kuti ziwonjezere kulimba kwawo, kukana kukhudza komanso kusinthasintha. Elastomer iyi imapezeka m'mitundu yosiyanasiyana yokhala ndi kulemera kosiyanasiyana kwa mamolekyulu ndi zomwe zili mu carboxyl kuti ipereke mayankho osinthidwa kutengera mawonekedwe ofunikira.

 

Chimodzi mwa zinthu zofunika kwambiri za CTBNndi kusinthasintha kwake kwabwino kwambiri kutentha kochepa. Imakhalabe yosinthasintha komanso yotanuka ngakhale kutentha kozizira kwambiri, zomwe zimapangitsa kuti ikhale yoyenera kwambiri m'malo otentha kwambiri kapena kugwiritsa ntchito komwe kutentha kotsika kumayembekezereka. Kapangidwe kameneka kamatsimikizira kuti zipangizo zomwe zili ndi CTBN zimasunga umphumphu wawo komanso magwiridwe antchito ngakhale m'mikhalidwe yovuta.

 

Kuphatikiza apo, CTBN imamatirira bwino kwambiri kuzinthu zosiyanasiyana, kuphatikizapo zitsulo, mapulasitiki ndi zinthu zina zophatikizika. Kapangidwe ka guluu kameneka kamapangitsa kuti ikhale yowonjezera yamtengo wapatali mu zokutira, zomatira ndi zotsekera, zomwe zimapangitsa kuti ma bond awo akhale olimba komanso nthawi yayitali yogwirira ntchito. Kugwirizana kwa CTBN ndi zinthu zosiyanasiyana kumawonjezera phindu lake m'mafakitale osiyanasiyana.

 

Kuphatikiza apo, CTBN imadziwika ndi kukana kwake kugwedezeka bwino. Imatenga ndikufalitsa mphamvu ya kugunda, kuteteza zipangizo kuti zisasweke ndi kusweka. Katunduyu ndi wofunika kwambiri makamaka pa ntchito zomwe kukana kugwedezeka ndi kugunda ndikofunikira kwambiri, monga ndege, magalimoto, ndi zida zamasewera. Mwa kuphatikiza CTBN mu zipangizozi, opanga amatha kuwonetsetsa kuti zinthu zawo zimatha kupirira mikhalidwe yovuta yautumiki.

 

Gawo lina kumene CTBNExcels imapereka kulimba ndi kusinthasintha kwa ma polima olimba. Mwa kusakaniza CTBN ndi ma polima a thermoset monga epoxy resins, zinthu zomwe zimapangidwira zimawonetsa kulimba komanso kukana ming'alu. Kapangidwe kameneka ndi kothandiza kwambiri popanga zinthu monga makina olemera, zinthu zomangira ndi zotetezera magetsi.

 

Kuphatikiza kwapadera kwa zinthu zomwe CTBN imapereka kumapangitsa kuti ikhale chinthu chamtengo wapatali m'magawo osiyanasiyana. Mainjiniya a ndege amagwiritsa ntchito CTBN popanga ma elastomeric seals, ma gaskets ndi zida zochepetsera kugwedezeka. Mumakampani opanga magalimoto, CTBN imagwiritsidwa ntchito mu zoyatsira mphamvu, zophimba pansi pa thupi ndi zida zamagetsi.CTBNimagwiritsidwanso ntchito kwambiri popanga zinthu zamasewera zogwira ntchito bwino, kuphatikizapo mipira ya gofu, ndodo za hockey ndi nsapato zamasewera.

 

Mwachidule, CTBN (carboxyl-terminated butadiene acrylonitrile) ndi elastomer yosinthasintha yomwe imawonjezera mphamvu za zinthu. Chifukwa cha kusinthasintha kwake kwabwino kwambiri kutentha, kumamatira, kukana kugwedezeka komanso kulimba, CTBN imagwiritsidwa ntchito kwambiri m'mafakitale monga ndege, magalimoto ndi masewera. Pamene ukadaulo ukupita patsogolo komanso kufunikira kwa zipangizo zogwira ntchito bwino kukuchulukirachulukira, CTBN mwina ipitiliza kuchita gawo lofunika kwambiri pakukweza kudalirika ndi kulimba kwa zinthu zosiyanasiyana.

Ndife ogulitsa apamwamba a CTBN ku China, timapereka mitundu yosiyanasiyana ya CTBN ndi zinthu zina zokhudzana nazo monga HTTPB, ATBN, ATTB, ndi zina zotero. Pakadali pano tikhoza kufufuza ndikupanga CTBN yatsopano malinga ndi zosowa zapadera za makasitomala athu. Nayi mitundu yathu ya CTBN, kuti mudziwe zambiri chonde lemberani kudzera pa info@theoremchem.com

CHINTHU

CTBN-1

CTBN-2

CTBN-3

CTBN-4

CTBN-5

Mtengo wa Carboxyl(mmol/g)

0.45 – 0.55

0.55-0.65

0.55-0.65

0.65-0.75

0.6-0.7

Maonekedwe

Madzi a Amber Viscous, opanda zonyansa zooneka

Kukhuthala (27℃,Pa.S)

≤180

≤150

≤200

≤100

≤550

Kuchuluka kwa acrylonitrile,%

8.0-12.0

8.0-12.0

18.0-22.0

18.0-22.0

24.0-28.0

Chinyezi, kulemera% ≤

0.05

0.05

0.05

0.05

0.05

Zamkati Zosakhazikika,% ≤

1.0

1.0

1.0

1.0

1.0

Kulemera kwa maselo

3600 – 4200

3000 – 3600

3000 – 3600

2500 – 3000

2300 – 3300

* Kuphatikiza apo: Tikhoza kufufuza ndi kupanga mtundu uliwonse watsopano wa CTBNmalinga ndi zosowa zapadera za makasitomala athu.

Nthawi yotumizira: Okutobala-15-2023