4,4′-Methylenebis(2-ethyl-6-methylaniline) / MMEA CAS Nke 19900-72-2

Nkọwa Dị Mkpirikpi:

Aha Kemịkalụ: 4,4′-Methylenebis(2-ethyl-6-methylaniline)

Okwu ndị yiri ya: 4,4′-Methylenebis(2-ethyl-6-methylaniline); Bis(4-amino-3-ethyl-5-methylphenyl)methane 4,4′-Diamino-3,3′-diethyl-5,5′-dimethyldiphenylmethane; Curehard-Med; 4,4′-Methylene-Bis(2-Methyl-ethylaniline)

Code: MMEA

Nọmba CAS: 19900-72-2

Zitere anyị ozi-e

Nkọwa Ngwaahịa

Akara Ngwaahịa

Nkọwa Ngwaahịa

A na-eji 4,4'-Methylenebis(2-ethyl-6-methylaniline) / MMEA, nọmba CAS 19900-72-2, dị ka ihe ndọtị agbụ maka polyurethane elastomers na dị ka ihe na-agwọ ọrịa maka epoxy resin iji melite akụrụngwa mechanical na dynamic nke ngwaahịa. Enwere ike iji MED dị ka ihe na-eduga maka polyimides na dị ka ihe na-eme ka ihe dị n'ime ya dị n'etiti ihe ndị sitere n'okike.

Ọ dabara nke ọma maka ịkpụ polyurethane (CPU), thermoplastic polyurethane (TPU), RIM elastomers na polyurea spray n'ọhịa polyurethane. MED dịkwa mma maka nhazi, prepreg na mkpuchi kemịkalụ na-egbochi corrosive n'ọhịa epoxy resin. A na-eji MED eme ihe na njikọ nke prepolymers, gụnyere polyether na polyester.

MED bụ ihe ngwọta kacha mma maka ngwaahịa emechara nke chọrọ agba dị nro na mgbochi ịka nká. Enwere ike iji MED mee ihe yana ihe ndị ọzọ na-agwọ ụdị amine (nchịkọta) iji mezuo ihe ndị ka mma maka ahụ.

MED na MOCA bụ ihe ndị na-agwọ ụdị amine. Agbanyeghị, MED anaghị emebi gburugburu ebe obibi ma ọ naghị emerụ emerụ ma e jiri ya tụnyere MOCA. MED nwekwara ike dochie MBOEA na HQEE na ngwaahịa PU, n'agbanyeghị CPU (casting polyurethane) ma ọ bụ TPU (thermoplastic polyurethane). Dịka MOCA, MED-type elastomers nwere ezigbo iguzogide okpomọkụ na-achọ ịrụ ọrụ karịa 120℃.

Ngwa

MED/MMEA bụ ihe na-eme ka a na-agbatị ma na-agwọ ọrịa site na iji MOCA. N'ihi iwu siri ike e nyere maka iji MOCA, MED nke na-anaghị emebi gburugburu ebe obibi bụ nhọrọ ọzọ dị mma maka iji ya na ọtụtụ ngwa. Polyurethanes MED-base bụ ihe dị iche iche na nnwere onwe imewe, yana ikike dị elu ma na-ejigide ike ya. Ngwaahịa ndị a rụchara dịka MED siri ike ma na-eguzogide nke na-eme ka ha dị mma maka ngwa ndị siri ike, dịka ihe mkpuchi bamper, ihe nkedo, ihe na-agbagharị, taya forklift, ihe igwe na ihe ndị ọzọ. Ọzọkwa, enwere ike itinye MED dị ka ihe na-eme ka mmiri dị na semi-conductor na dị ka ihe na-eme ka ọ dị mma na epoxy na polyurea.

Nkwakọba na Nchekwa

Maka 4,4'-Methylenebis(2-ethyl-6-methylaniline) / MMEA n'ụwa niile. Mmepụta anyị kwa afọ bụ tọn metric 400.

Nkwakọ ngwaahịa: 180kgs/akpa; 300kgs/akpa, 18kgs/akpa

Nchekwa na Njem: Debe n'ebe ikuku na-anaghị eru ya ala. Ebe ọ bụ na ngwaahịa a nwere obere hygroscopicity, biko zere imetụ mmiri aka ma zere anwụ. Mechie akpa ahụ nke ọma mgbe ejiri ya. Ka ọ dị ugbu a, enweghị ike ịchekwa ya na ihe na-eme ka oxidants dị.

Ndụ nchekwa: ọnwa iri na abụọ

Nkọwapụta

Aha kemịkalụ	4,4'-Methylene-bis (2-methyl-6-ethylaniline)
Nọmba CAS	19900-72-2
Usoro molekụla	C19H26N2
Ibu molekụla	282.4231
Njupụta	1.039 g/cm3
Ebe njikọta	85°C
Ebe isi mmiri	443.1°C na 760 mmHg
Ibu kpọmkwem	1.44 (siri ike) na 24℃
ebe mgbari	266°C
Ọdịdị	Ntụ ntụ ọcha
Mmiri mmiri	N'okpuru 0.3%
Uru Amine	390-408 KOH mg/g
Ihe na-anaghị agbaze na acetone	Ọ dịghị
Klorine zuru oke	N'okpuru 10 ppm
Ịdị ọcha	98.0%
Ojiji bụ isi	Ihe na-agwọ polyurethane, ihe na-agwọ maka epoxy resin, ihe na-agbatị yinye
Nrụgide uzuoku	4.75E-08mmHg na 25°C

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