Okwu mmeghe nke polyamid pa6
Polyamide, nke a na-akpọ polyamide pa maka mkpụmkpụ, bụ nke a na-akpọkarị naịlọn.Ọ bụ ụdị plastik thermoplastic kristal kpụrụ site na polymerization nke amines ọnụọgụ abụọ na diacid ma ọ bụ lactam.Enwere ọtụtụ ụdị PA, dịka ọnụọgụ carbon carbon dị na monomer na-etinye aka na mmeghachi omume polymerization, yana ụdị PA dị iche iche nwere arụmọrụ dị iche iche nwere ike ịmepụta, dịka PA6, PA66, PA612, PA1010, PA11, PA12, PA46. , PA9, PA1212, wdg PA6 na PA66 na-ejikarị eme ihe, na-aza 90% nke mkpokọta mmepụta.
Njirimara izugbe nke polyamid pa6
Polyamid pa6 nwere polarity, nke na-adịghị egbu egbu, enweghị ụtọ ma dị mfe ịcha; Ụdị crystalline (50 ruo 60%), translucent milky white or light yellow granule; Newtonian fluid (Newtonian fluids na-ezo aka na mmiri mmiri ebe nrụgide dị nhata. Ọnụ ọgụgụ nke nsogbu); Njupụta: 1.02 ruo 1.20g / cm³; Mmiri mmiri dị elu, mmeghachi omume hydrolysis ga-eme na 230 degrees Celsius; Mmiri mmiri PA46> PA6> PA66> PA1010> PA11> PA12> PA1212; Ọnụ ọgụgụ dị ukwuu nke nkwụsị nke ịkpụzi.PP, PE> PA> PS, ABS.Ngwongwo mgbochi nke etiti na ihe mgbochi siri ike nke ikuku.
Njirimara igwe nke polyamid pa6
Ihe eji arụ ọrụ nke polyamid pa6 na-ejikọta ya na kristal: Ka kristal dị elu, ike dị elu na ike siri ike.N'ihe gbasara ike, PC> PA66> PA6> POM> ABS. Ike na-emetụta nke ukwuu site na hygroscopicity, elu okpomọkụ, elu hygroscopicity dị elu, na-ebelata ike ike na ihe ndị ọzọ.
Mmetụta siri ike na-emetụta nke ukwuu site na arụmọrụ hygroscopic.Site na mmụba nke okpomọkụ, mmịpụta mmiri na-abawanye na ike na-abawanye.(Ọ na-abụkarị, isi ike adịghị mma n'ọnọdụ akọrọ na obere okpomọkụ, yana o yikarịrị ka ọ ga-enwe nrụgide site na ngwaahịa ọla na mgbaji na-agbaji agbaji na 0 ℃.
Polyamid pa6 nwere ezigbo mmanu onwe ya na nguzogide dị mma.
Ezigbo iguzogide mmanụ, dịka ọmụmaatụ.mmanụ ụgbọala.
Ike ike ọgwụgwụ dị elu, n'ozuzu 20% ruo 30% nke ike ike.Ike ike ọgwụgwụ nke PA6 na PA66 nwere ike iru ihe dịka 22MPa, nke abụọ na POM (35MPa) na elu karịa PC (10-14MPa).Usoro n'ihe gbasara ike ike ọgwụgwụ: POM> PBT, PET> PA66> PA6> PC> PSF> PP.
Isi ike dị elu, PA66: 108 ruo 120HRR;PA6120HRR.
Nguzogide na-adịghị mma: dị mma karịa PP na PE, na njọ karịa ABS na POM.
Nkwụsị mgbawa mgbawa na-adịghị mma: ọgwụgwọ annealing ma ọ bụ iru mmiri kwesịrị ime mgbe emechara ngwaahịa.
Oge nzipu: Feb-21-2022