Ọmụmụ ihe gbasara nkwalite ire ọkụ nke PA66 site na red phosphorus nke ejiri resin dị iche iche kpuchie

Naịlọn 66 nwere ezigbo ihe eji arụ ọrụ, na-eyi nguzogide na nguzogide corrosion kemịkalụ, a na-ejikwa ya na mpaghara ụgbọ ala, eletrọnịkị na eletrik. Otú ọ dị, PA66 bụ ihe na-ere ọkụ, a ga-enwekwa mmiri mmiri mgbe ọ na-ere ọkụ, nke nwere nnukwu ihe ize ndụ nchekwa. Ya mere, ọ dị oke mkpa ịmụ mgbanwe ọkụ retardant nke PA66. A na-ejikarị usoro ọkụ na-ere ọkụ nke PA66 na-achịkwa ndị na-ere ọkụ na-ekpo ọkụ, ma ndị na-ekpo ọkụ na-ekpo ọkụ na-eche nsogbu dị egwu nke nchebe gburugburu ebe obibi na CTI ihu.

Ka ọ dị ugbu a, enwere ike itinye ọkụ retardant na-acha uhie uhie na ihe ọkụ ọkụ PA66 n'ihi oke ọkụ retardant na arụmọrụ dị oke ọnụ. Otú ọ dị, red phosphorus ire retardants na elu okpomọkụ, ikuku, elu iru mmiri na alkaline gburugburu ebe obibi, dị mfe na-amịkọrọ mmiri, na-akpata acidification ihe. Acid phosphoric ga-emebi ihe ndị dị na igwe, na-ebute ihe ọkụ eletrik nke ngwaahịa ahụ.

Iji gbochie acidification nke mmeghachi omume phosphorus na-acha uhie uhie, meziwanye nkwụsi ike nke phosphorus na-acha ọbara ọbara, ụzọ kachasị dị irè bụ microcapsule kpuchiri ọbara ọbara, usoro a bụ site na polymerization in-situ, na elu fosfot uhie uhie na-etolite ihe polymer kwụsiri ike, nke mere na ị nwere ike pụọ na kọntaktị na-acha uhie uhie na ikuku oxygen na mmiri, na-ebelata acidification nke phosphorus na-acha uhie uhie, na-eme ka nkwụsi ike nke ihe eji eme ihe.

Agbanyeghị, resin mkpuchi dị iche iche nwere mmetụta dị iche iche na naịlọn na-egbochi ire ọkụ site na-acha uhie uhie. N'ime ọmụmụ ihe a, a na-ahọrọ ihe mkpuchi ọkụ abụọ na-acha uhie uhie nke nwere resin phenolic na resin melamine iji mụọ mmetụta nke ihe mkpuchi ọkụ abụọ a dị iche iche dị iche iche nke ihe ọkụ ọkụ na-eme ka ihe PA66 dịkwuo elu.

Ihe mejupụtara ihe mejupụtara ya bụ nke a: melamine resin kpuchie red phosphorus flame retardant master material (MC450), phenolic resin kpuchie red phosphorus flame retardant master material (PF450): ọdịnaya phosphorus na-acha ọbara ọbara nke 50%. Nhazi nke ire ere naịlọn mesiri ike 66 bụ 58% naịlọn 66, 12% ire ere ihe nna ukwu, eriri iko 30%.

Mpempe akwụkwọ usoro ihe omume PA66 kpuchiri ekpuchi ọkụ na-acha uhie uhie

Mgbe agwakọtachara ma gbanwee ya, a kwadebere ihe mejupụtara PA66/GF30 nke ejiri ọkụ retardant na-acha uhie uhie kpuchie, ma tụọ ihe ndị metụtara ya dị ka ndị a.

1. ire ọkụ retardancy, ọkụ waya okpomọkụ na ikwu creepage akara index

Ọ nwere ike ịhụ na ma PA66-1 # na PA66-2 # nwere ike iru ọkụ retardant ọkwa nke 1.6mm V-0, na ihe adịghị ntapu n'oge combustion. Ụdị abụọ nke mkpuchi ọkụ na-acha ọbara ọbara site na-acha uhie uhie emelitere PA66 nwere mmetụta retardant dị mma. The ọkụ-waya flammability index (GWFI) nke PA66-1 # na PA66-2 # nwere ike iru 960 ℃, na GWIT nwere ike iru 775 ℃. Ịrụ ọkụ ọkụ kwụ ọtọ na ịrụ ọrụ nnwale ọkụ-waya nke ihe na-egbochi ire ọkụ phosphorus abụọ mkpuchi nwere ike iru ọkwa dị mma.

A pụkwara ịhụ na PA66-1 dị ntakịrị elu karịa CTI nke # PA66-2 #, yana CTI nke ihe PA66 na-acha uhie uhie phosphorous mkpuchi ọkụ dị elu karịa 450V, nke nwere ike izute ngwa ngwa nke ọtụtụ ụlọ ọrụ.

2. Mechanical onwunwe

Ngwongwo igwe bụ ihe dị mkpa bụ isi nke naịlọn na-egbochi ire ọkụ maka ngwa ya.

Enwere ike ịhụ na ike nkwụsị na ike na-ehulata nke PA66-1 # dị elu, nke bụ 164 MPa na 256 MPa n'otu n'otu, 5% na 6% dị elu karịa nke PA66-1 #. Ike mmetụta a na-ahụ anya na ike mmetụta na-enweghị atụ nke PA66-1 # dị elu, nke bụ 10.5kJ/m2 na 66.9 kJ/m2 n'otu n'otu, 3% na 21% dị elu karịa nke PA66-1 #, n'otu n'otu. Ngwunye akụrụngwa nke ihe abụọ ahụ ejiri na-acha uhie uhie mee ihe dị elu, nke nwere ike izute ihe ndị chọrọ ịrụ ọrụ nke ubi dị iche iche.

3. Ọdịdị na isi

Enwere ike ịhụ ya site n'ọdịdị nke ụdị ntụtụ abụọ a kpụrụ akpụ nke ejiri na-acha uhie uhie mee ka ọkụ ọkụ na-eme ka PA66 (PA66-1 #) kwadebere ya na resin melamine nke e tinyere na phosphorus na-acha uhie uhie nwere elu dị larịị, agba na-egbuke egbuke na enweghị eriri na-ese n'elu mmiri. elu. Agba elu nke ire ọkụ na-emesi ike PA66(PA66-2#) nke resin phenolic nke ekpuchiri na phosphorus na-acha uhie uhie abụghị otu ma enwere ọtụtụ eriri na-ese n'elu mmiri. Nke a bụ tumadi n'ihi na resin melamine n'onwe ya bụ ezigbo ntụ ntụ ma dị nro, dị ka mkpuchi mkpuchi ewepụtara, ga-arụ ọrụ mmanye n'ime usoro ihe niile, n'ihi ya, ọdịdị ihe ahụ dị mma, enweghị eriri na-ese n'elu mmiri.

A na-edobe ụdị ọkụ ọkụ ọkụ nwere phosphorus-acha uhie uhie abụọ nwere mmachi PA66 na 80 ℃ maka awa 2, ma nwalee nha isi ha. Pa66-1 # ihe nwere isi doro anya yana isi ísì siri ike. Pa66-2 # nwere obere isi na enweghị isi ísì ụtọ doro anya. Nke a bụ tumadi n'ihi na in situ mkpuchi polymerization, amine mkpuchi resin obere ụmụ irighiri ihe adịghị mfe iwepụ dị ọcha, na isi nke amine ihe n'onwe ya bụ nnukwu.

4. Ntinye mmiri

N'ihi na PA66 nwere amine na carbonyl dị iche iche, ọ dị mfe ịmepụta njikọ hydrogen na ụmụ irighiri mmiri, ya mere ọ dị mfe ịmịnye mmiri mgbe ejiri ya mee ihe, na-ebute mmetụta plasticizing, na-ebute mmụba nke ihe onwunwe, nkwụsị nke siri ike, na ihe doro anya na-akpụ akpụ n'okpuru omume nke nrụgide.

A mụrụ mmetụta nke dị iche iche mkpuchi ire ọkụ retardant red phosphorus na mmịpụta mmiri nke ihe a mụrụ site n'ịnwale mmịpụta mmiri nke ihe ahụ. Enwere ike ịhụ na ntinye mmiri nke ihe abụọ ahụ na-abawanye na oge na-abawanye. Mmiri mbụ nke PA66-1 # na PA62-2 # yiri nke ahụ, ma na mmụba nke oge ntinye mmiri, ntinye mmiri nke ihe dị iche iche doro anya. N'ime ha, phenolic resin mkpuchi red phosphorus flame retardant nylon (PA66-2#) nwere obere nnabata mmiri nke 5.8% mgbe ụbọchị 90 gachara, ebe melamine resin kpuchie red phosphorus flame retardant naịlọn (PA66-1 #) nwere ntakịrị mmiri dị elu. absorption ọnụego nke 6.4% mgbe ụbọchị 90 gachara. Nke a bụ tumadi n'ihi na resin phenolic n'onwe ya na-amịpụta mmiri dị ala, na resin melamine dị ntakịrị ike mmịnye mmiri, nguzogide hydrolysis adịghị mma.

5. Nguzogide corrosion na metal

Site oghere samples na dị iche iche ntekwasa acha ọbara ọbara site ire ere retardant mesikwuru naịlọn ihe nke metal corrosion na ọnụ ọgụgụ nwere ike ịhụ, ọ bụghị isonyere, oghere sample nke gbanwetụrụ naịlọn metal elu corrosion bụ obere, e nwere ntakịrị ikuku na mmiri vapor corrosion kpatara site na site. akara, PA66-1 # nke metal corrosion dịtụ mma, metal elu gloss ka mma, a akụkụ ole na ole nwere corrosion phenomenon, The metal corrosion nke PA66-2 # bụ ihe kasị njọ, na elu nke metal mpempe akwụkwọ na-emebi kpamkpam. , ebe elu nke mpempe akwụkwọ ọla kọpa na-emebi emebi ma gbanwee n'ụzọ doro anya. Nke a na-egosi na corrosion nke melamine resin mkpuchi na-acha uhie uhie phosphorous ire naịlọn dị obere karịa nke phenolic resin mkpuchi naịlọn na-acha uhie uhie phosphorous ire ọkụ.

Na mmechi, a kwadebere ụdị abụọ nke ire ọkụ na-egbochi ihe PA66 site na mkpuchi red phosphorus na melamine resin na phenolic resin. Ụdị ihe abụọ nke ire ere nwere ike iru 1.6mmV-0, nwere ike ịgafe 775 ℃ ọkụ ọkụ ọkụ ọkụ, na CTI nwere ike iru karịa 450V.

A na-eme ka ike mgbatị na ike mgbanwe nke PA66 melamine na-acha uhie uhie na-eme ka ọ dịkwuo mma, ebe mmetụta mmetụta nke PA66 ka mma site na phenolic kpuchiri uhie uhie. Tụkwasị na nke ahụ, isi nke resin phenolic nke ejiri red phosphorous flame retardant emelitere PA66 dị obere karịa nke ihe mkpuchi melamine, na ọnụego mmịnye mmiri dị ala. Resin melamine nke ejiri ọkụ retardant phosphorous na-acha uhie uhie na-eme ka ọdịdị PA66 dịkwuo mma na-enwe obere mmebi na ọla.

Ntụaka: Ọmụmụ ihe gbasara ihe na-egbochi ire ọkụ nke PA66 nke ejiri phosphorus uhie kpuchie, ihe ịntanetị.