Ngwaọrụ, eletriki, ọkụ eletriki na kemịkalụ nke polilide (pa) resins

July 06, 2024

Polyamide (PA) bụ ihe dị elu molecular compoughts site na lactam, abụba abụba, ma ọ bụ abụba dibasic amine, nwere nnọkọ dị iche iche (-nco-) na isi yinye. Polyamide bụ ihe siri ike ma ọ bụ nke na-acha ọcha na-acha uhie uhie na-eme ka ike gwụ ya, na-eme ka ọ dị elu (15-3). , Inwe onwe ya, nnabata, na-egbochi oke, na-adịghị mma, na-adịghị mma, na-enweghị atụ, na-agbachasị ya, ezigbo ezigbo ocha. Ezigbo ihu igwe, ụcha adịghị mma. Ọdịmma ndị ahụ bụ na mmiri mmiri buru ibu, na-emetụta akụkụ nguzosi ike na akụrụngwa eletriki. Nkwado na eriri nwere ike belata mmụba mmiri nke resin, ka o wee nwee ike ịrụ ọrụ na ọnọdụ iru mmiri dị elu.

1. Njirimara nke otu polylimes

PA iche bụ pa6, pa66, pa42, pa46, pa610, pa612, pa610, paịpụ pa6, na-emepụta ihe karịrị 90 % nke mmepụta Polyamide. Ihe owuwu kemịkal dị iche iche dị iche, ihe ha dịkwa iche. Tebụl 1-1 depụtara Njirimara ụfọdụ nke polylides a na-ejikarị.

Njirimara nke polyamides

Emume ngosi	Unit	Pa6	Pa66	Pa11	Pa12	Pa610	Pa612	Pa1010
Keuju	g / cm3	1.14	1.14	1.04	1.02	1.08	1.07	1.03 ~ 1.05
Na-agbaze	℃	220	260	187	178	215	210	200 ~ 210
Kindling na-awụda	%	0.6 ~ 1.6	0.8 ~ 1.5					1.0 ~ 1.5
Ike ọdụdọ	Anamba	74.0	80.0	55	Eri iri ise	56.8	62	50 ~ 60
Elongation	%	200	60	300	350	200	200	200
Ike	Anamba	111	127	67.6	72.5	93.1	89	80 ~ 89
Mgbakwunye modulus nke elacy	Gpa	2.5	3.0	1.0	1.1	1.96	2.0	1.3
Cantilever na-enweghị ike ike	J / m	Kiloaka 56	40	39.2	Eri iri ise	Kiloaka 56	Kiloahu	40 ~ 50
Rockwell siri ike	Nke	114	118	108	106	116	114
Okpomoku zuru oke (1.82Pma)	℃	63	7.0	55	55	60	60
Okpomoku di egwu (0.45Pma)	℃	150	180	15-25	150	150
Coegice nke litiar	10-5 / ℃	8.-8	9.0	11	11.2	10.0
Ọkụ na-eme ihe ọkụkụ	W / m. ℃)	0.19	0.34	0.29	0.23	0.22
Flame larame	UL94	V-2	V-2
Mmiri mmiri	24h,%	1.8	1.3	0.30	0.25	0.5	0.4	0.39

PA sheet rod honyplastic

Ihe Njirimara 2.mechanical

Ahịhịa polar nwere polar dị iche iche, nwere ike ịmalite njikọta hydrogen, ike dị n'etiti akwara molecular ka ibu, yabụ, ọ nwere ike ọrụ na modulu. Site na mmụba nke njupụta ndị otu dị iche iche, yinye molulary molecularry na mkpu na-akụ, ike ya na-abawanye; Site na mmụba nke Methyl na polyamide ígwè, ike ahụ na-ebelata, ebe mmetụta ike ike na-abawanye nke nta nke nta. Okwu mmeghe nke ndi mmadu n'ime ihe nlere nke polilam di egwu na-abawanye ike ya n'ihi mmụba nke ike na mmụba nke njikọ (dịka ụgbọ ala waral) n'etiti ụdọ mmiri. N'etiti Polyyamides, Pa66 nwere obi ike kachasị elu na ihe siri ike, mana ihe siri ike. Kindsdị polyamid dị ka ogo ogo siri ike: pa66 <pa12 <pa610 <pa610. Polyyamide ntiwapụ, ọ nwere nnukwu mmetụta na akụrụngwa akụrụngwa, ike tens, ike mgbanwe, ike mgbanwe na mmụba nke mkpumkpu na-akawanye mma. Ndị otu ebe obibi nke polyamide na-eme ihe bụ otu a na-eme hydrophilic otu, nke na-eme polinamide mmiri. Achịcha mmiri nwere nnukwu mmetụta na akụrụngwa akụrụngwa nke polyamide, ike tensile, ike na-agbanwe agbanwe, ebe ike a na-agbanwe nke ukwuu, ebe ike na-abawanye ụba, Lee Isiokwu 2-1.

Mmetụta nke mmiri polyamide polyamide na ike

270 (

Polyamide aha	Tensile na-emebi ike / MPA	Elongation ọnụego /%	Ike Ike / MPA	Mgbanwe modulus nke elastity / GPA	Cantilever shooched mmetụta ike / J / M
Pa6 (3.5% mmiri na-aga mmiri)	50 ~ 55 (75)	~	290	150	) 34 ~ 3
)	58 (83)	27)	55 (120)	1.2 (2.9)	110 (45)
pa46 (Mmiri Abrorption nke 3.5%)	60 (100)	200 (40)	67 (144)	1.1)	180 (90)
Patxd-6 (3.5)	76 (85)	> 10 (2.0)	130 (162)	4.0 (4.6)

3. Njirimara eletriki

Polyamide nwere ezigbo ihe mkpuchi mkpuchi eletrik, tebụl 3-1 depụtara ụfọdụ n'ime ngwa eletriki nke polillical Njirimara. Ọ bụ ezie na Polyamide nwere ezigbo ihe eletriki, ọ nwere polar dị iche iche na isi igwe na-enweghị atụ. Dị ka ọnụego mmiri na-abawanye, olu na-adịgide adịgide nke polyamide na-ebelata, na-eme ka plastik injinụ polyamide na-adịghị mma maka iji ya dị ka ihe ndị na-eletriki na-arụ ọrụ.

Ngwongwo eletriki nke ụfọdụ polyamides

4. Njirimara ikuku

Na-agbaze ụdị ụdị polyamide dị iche iche nke ukwuu, isi ihe kachasị elu bụ pa46, ruo 295 ℃. Polyamide nwere ọtụtụ ọrụ okpomọkụ, n'ozuzu site na -40 ruo 100 Celsius. Ihe mkpuchi ọkụ nke polyamide okpomọkụ na-adabere na ibu. Ihe eji eme ka okpomoku kpo oku nke polyames nke puru iche na ibu ndi a na-edo onwe ha, ma wedata ngwa ngwa na ibu ibu. Ihe omume ikuku nke polilis dị iche iche anaghị agbanwe agbanwe, dị ka egosiri na tebụl 1-1. Okpomoku nke inye polyamides dị iche iche na-egosi na tebụl 4-1. Okpomoku nke po6 na pa66 bu otu pa610 di elu ma nke PA11 bu nke kachasi elu.

5. Ngwongwo kemịkalụ

Polyyamide bụ ego na-eme ihe nkiri kemịkalụ, karịsịa na mmanụ ọkụ, na-eguzogide, na-enwe ike iguzogide, bụ papanice mmanụ dị mma, bụ mbụ nhọrọ nke ihe ndị na-eme ngwa ngwa. Agbanyeghị, ọ na-agbanye na phenol, indored inorganic acid na-acha acid na ụlọ okpomọkụ, ma metlene glycol, na-acha uhie uhie chloride, yana fluoroacettol na oke okpomọkụ. Na mkpokọta, ọtụtụ plastics plastics kwụsie ike na ngwọta alkaline, ma hydrolysis ma ọ bụ mebie ihe na-eme na oke okpomọkụ, karịchaa mgbe Polyamide na-agbaze; N'okpuru ọnọdụ ndị a, inorganic acid na amines, karịsịa monovalent acid, nwere ike acidifs acid, nwere ike acidifs acid, nwere ike acidifs acid, nwere ike acidify acid, nwere ike acidify acid na aminolyze na amiline nke amine, n'ikpeazụ na-ewepụta monoomi nke polyamide. Polylamis na-enwe mbibi ikuku na oke okpomọkụ. Na mgbakwunye na mmebi ọkụ ahụ, nrụrụ aka na-apụta mgbe polyamide na-ewe iwe ikuku. Iji maa atụ, pa66 na-anyụ mgbe ọgwụgwọ na 250 Celsius C maka 2h ma ọ bụ 70 Celsius C ruo afọ 2. Na omume, mgbe mgbe na nhazi ngwaahịa polylamide, gbakwunye ụfọdụ antioxidants iji gbochie mmebi oxingpetivetivetivetivetivetivetivetive. Polyyamide na ọkụ, n'ihi radieshon radieshon, ga-apụta phodegration ma ọ bụ ịka nká. Polyyamide nwere carbonyl otu, nwere ike ịmịpụta ultraviolet ọkụ na anwụ anwụ, nke na-enweghị ọkụ, na pa66 ịdọ aka na H2, Co6 na Hydrocarbons. Enwere ike ịgbakwunye nkwụchi egwu UV ma na-egbochi ijikwa ọkụ nke polyamọs.

PA6 sheet rod honyplas