E aʻo e pili ana i ka hoʻomaikaʻi ʻana i ka pale ʻana o ka epoxy 3240 ma hope o ka Immersion

2022-09-16


1. Introduction


  3240 pepa epoxy hoʻohana nui ʻia i ka ʻoihana kaʻa, uila a me nā ʻoihana uila, a ʻo ia nō ka hana nui loa o nā huahana laminated uila ma Kina. Hoʻokō maoli ka hana o ka huahana o kēia manawa i nā koi, a ʻo kona kūpaʻa insulation ma hope o ka hoʻokomo ʻana he 10 wale nō.^8Ω, ʻo ia kahi ākea nui i hoʻohālikelike ʻia me ke kūpaʻa insulation ma hope o ka hoʻokomo ʻana i ka maʻamau ISO 5 x10^ 10 Ω. No laila, ʻaʻole hiki ke hoʻokō i nā koi o ka hoʻomohala ʻoihana ma ka home a ma waho. No ka laʻana, pono nā mea kanu e hoʻololi i nā pā me ke kūpaʻa immersion o 5.0 x 10^ 10 Ω. No laila, i mea e hoʻokō ai i nā pono o nā mea hoʻohana, he hana koʻikoʻi ia e hoʻomaikaʻi i ke kūpaʻa insulation o 3240 epoxy phenolic aniani pā lole ma hope o ka hoʻomaʻamaʻa ʻana e hoʻokō iā lākou i ke kūlana ISO.


3240 pepa epoxy


  ʻO ka mea hoʻopili o 3240 papa lole aniani epoxy phenolic ua haku ʻia me ka epoxy resin a me ka ammonia catalyzed phenolic resin. Nui nā hui polar i loko o ka resin phenolic, e pili ana i ka hana uila o ka papa, e alakaʻi ana i kahi helu nui o nā papa 3240 i pani ʻia e kekahi mau mea hou. No ka laʻana, ua hoʻololi ʻia nā koʻokoʻo hāpai o Shenyang High Voltage Switchgear Factory e nā ʻāpana i hoʻoheheʻe ʻia, ua hoʻokomo ʻo Beijing High Voltage Switchgear Factory i nā papa hoʻololi 3B e pani iā ​​​​lākou me nā papa plastik SMC, a ua hoʻohana pū ʻia kekahi mau mea i lawe ʻia mai i kekahi mau mea pono home a me nā ʻoihana uila. Ma lalo o kēia kūlana, ua alakaʻi mākou i ka noiʻi ʻana i ka hoʻomaikaʻi ʻana i ke kūpaʻa ʻana o ka 3240 mau papa kaomi me ka epoxy phenolic system nui adhesive me ka ʻole e hoʻonui i ke kumukūʻai huahana. Ua loaʻa nā hopena maikaʻi ma o ka noiʻi hoʻokolohua. Ua hiki i ka 5.0 × 10^10 Ω ke kū kūʻē ʻana o ka hoʻāʻo ʻana i ka ʻikepili hoʻāʻo no ka hana maoli.


2. Nā mea e pili ana i ka pale ʻana i ka luʻu ʻana o ka lole aniani epoxy phenolic


  Nui nā kumu e pili ana i ka pale ʻana o ka epoxy phenolic glass cloth board. ʻO ke kumu nui ka haʻahaʻa o ka crosslink density o ka epoxy phenolic cured material, a ʻilihune ka pono o ka laminate. Eia kekahi, no ka mea he nui ka nui o nā pūʻulu polar epoxy phenolic, ua maʻalahi ke hana i nā paʻa hydrogen me nā mole wai.


a) Nā kumu no ke kūkulu ʻana o Phenolic Resin


  ʻO ka resin phenolic i hoʻohana ʻia ma 3240 Papa Epoxy ʻO ia ka Resol type phenolic resin synthesized me ka amonia e like me ka catalyst. Ma waena o lākou, hiki i nā pūʻulu amino mua a me ke kula kiʻekiʻe ke hana me ka epoxy, aʻo nā pūʻulu amino tertiary he mau amine tertiary, ʻo ia nā mea hoʻolalelale o ka epoxy resin curing reaction a wikiwiki i ka hopena o nā hui phenol a me methyl me nā hui epoxy. Piʻi wikiwiki ka wikiwiki o ka ho'ōla ʻana me ka piʻi ʻana o ka mahana.


  Eia kekahi, ʻo ka resin phenolic i hana ʻia e ka ammonia catalysis he nui ka molecular dispersion kaumaha, liʻiliʻi liʻiliʻi liʻiliʻi, a me ka nui o ka phenol manuahi (15% ~ 20%). No laila, ʻo ka pā lole aniani i hana ʻia e ka hui ʻana me ka epoxy resin he haʻahaʻa haʻahaʻa, haʻahaʻa haʻahaʻa uila a me nā waiwai mechanical, a haʻahaʻa ke kūpaʻa insulation o ka pā lole aniani ma hope o ka hoʻokomo ʻana i loko o ka wai ma muli o ka nui o ka methyl content i ka resin phenolic.


b) Ka hopena o nā ʻāpana like ʻole i ke kū ʻana o ka insulation o nā Laminates ma hope o ka hoʻokomo ʻana i ka wai.


  He hopena nui ka ʻili o ka resin a me ka lole aniani substrate i ka pono o ka papa lole aniani. Inā hui maikaʻi ka resin a me ka ʻili aniani, ʻoi aku ka maikaʻi o ka laminate, a ʻo ia hoʻi. ʻAʻole hiki i ka mea hoʻohui hui ke launa pū me ka ʻili o ke aniani aniani, akā me ka epoxy resin, no laila, ʻo ka lole aniani i mālama ʻia me ka mea hoʻohui hui he kiʻekiʻe ke kūpaʻa kaiapuni.


c) Ka hopena o ke ʻano a me ka nui o ka mea hoʻolalelale ma ke kū ʻana o ka insulation o nā lole aniani laminates ma hope o ka luʻu ʻana.


  ʻOkoʻa ka mānoanoa cross-linking o phenolic cured epoxy resin ma muli o nā ʻano like ʻole a me ka nui o nā mea wikiwiki. E mālama i ka manawa gelation like. Ma ka ʻōnaehana phenolic epoxy like, ma muli o ke ʻano o nā accelerants, ʻoi aku ka maikaʻi o ka resin i ka impregnation o ke aniani fiber i ka wā o ke kaomi ʻana. Ma lalo o kekahi mau kūlana ho'ōla, hiki ke ho'ōla pihaʻia e hoʻomaikaʻi i ka pono o ka laminate, pēlā e loaʻa ai nā hopena likeʻole i nā waiwai o ka papa ma hope o ka hoʻokomoʻana.


3. ʻO nā pono o ka Phenolic Resin i hoʻololi ʻia a me nā mea e pili ana i ka pale ʻana o ka pā.


a) Nā Pono o ka Phenolic Resin i hoʻololi ʻia


  Hoʻohana ʻia nā pūhui ʻokoʻa ʻelua e komo i ka hopena synthesis o ka resin phenolic e hana i ka resin phenolic, ʻo A a me B i hoʻololi ʻia phenolic resin i loaʻa i kēlā me kēia, kahi i hōʻike ʻia e nā pūʻulu polar liʻiliʻi a me ka ʻike phenol manuahi. E nānā i ka Papa 1 no nā hōʻailona ʻenehana o ka resin phenolic.


Papa 1 Papa kuhikuhi lala o ka resin phenolic i hoololiia

Phenolic resin type

ʻO ka manawa gelation S

(160±2 ℃)

Maʻiʻo phenol manuahi %

Ammonia catalyzed phenolic resin

60 ~ 90

18 ~ 20

Hoʻololi ʻia ka resin phenolic A

60 ~ 90

10 ~ 12

Hoʻololi ʻia ka resin phenolic B

60 ~ 90

14 ~ 16


  ʻO nā waiwai o ka resin phenolic i hoʻololi ʻia e pili ana i ke ʻano, ke ʻano a me nā ʻano hopena o ka mea hoʻololi. Ma o ka hoʻolālā orthogonal, loaʻa kahi ʻano kumu kūpono a me ke kaʻina hana, a haʻahaʻa ka ʻike o ka phenol manuahi i loko o ka resin phenolic i hoʻololi ʻia.


  ʻO ka maʻiʻo o ka phenol manuahi i ka papa kuhikuhi kikowaena o ka resin phenolic i hoʻololi ʻia he mana nui i nā waiwai o ka papa. Hoʻokumu ʻia ka phenol manuahi e ka hopena phenol piha ʻole. ʻO nā waiwai mechanical a me dielectric o ka epoxy phenolic resin i hoʻōla ʻia e hoʻemi nui ʻia ma muli o kona ola ʻana, no laila ua hoʻemi ʻia ka ʻike o ka phenol manuahi i ka resin phenolic. Hiki ke hoʻoponopono ʻia ka hoʻemi ʻana i ka ʻike o ka phenol manuahi ma ka hoʻoponopono ʻana i ka ratio o nā reactants, hoʻolōʻihi i ka manawa paʻa, a me ka hoʻonui ʻana i ka wela hoʻihoʻi hope.


  b) Ka hopena o ka Phenolic Resin ma ka Immersion Resistance o ka pā


  Hiki ke ʻike ʻia mai ka Papa 1 he ʻuʻuku ka ʻike o ka phenol manuahi i loko o ka resin phenolic i loaʻa ma ka hoʻokomo ʻana i ka modifier A i loko o ka resin phenolic. Hoʻohana ʻia nā resins phenolic ʻelua i hoʻololi ʻia no ka epoxy resin curing agent e hoʻomākaukau ai i ka 56% solid glue solution, a ʻo nā waiwai o nā papa i loaʻa ma ke kāpili ʻana a me ke kaomi ʻana e hōʻike ʻia ma ka Papa 2.


  Hiki ke ʻike ʻia mai ka Papa 2, ʻo ke kūʻē ʻana o ka papa i hana ʻia me ka resin epoxy i hoʻōla ʻia me ka resin phenolic i hoʻololi ʻia he kiʻekiʻe.


  c) Ka hopena o ka Accelerator ma ke kūʻana o ka hoʻoinu ʻana o nā Laminates


  He mana nui no ka accelerant i ka pale ʻana o ka lau. Koho mākou i ʻekolu ʻano o ka wikiwiki e hana i kahi hoʻokolohua ʻokoʻa i ke kūʻē ʻana o ka epoxy phenolic aniani papa lole. ʻEkolu mau kūlana i ka wā e hoʻohana ai i ka accelerator C, D accelerator a ʻaʻohe accelerator. Hōʻike ʻia nā hopena ma ka Papa 3.


  Papa 2 Ka hopena o ka resin phenolic i ka pale ʻana i ka luʻu ʻana o nā pā

kēpau phenolic

Hoʻololi ʻia ka resin phenolic A

Hoʻololi ʻia ka resin phenolic B

Phenolic resin i hoʻopaʻa ʻia e ka amonia

Maʻiʻo phenol manuahi (%)

9.1

11.3

17.4

ʻO ka manawa gelation S

(160±2 ℃)

79

84

90

ʻO ke kū i ka luʻu (Ω) 1

3.0*10^ 11

1.5*10^ 10

8.0*10^8

ʻO ke kū i ka luʻu (Ω) 2

1.8*10^ 12

4.8*10^ 10

2.5*10^9

ʻO ke kū i ka luʻu (Ω) 8

1.2*10^ 12

8.0*10^9

6.2*10^8


Papa 3 Ka hopena o ka accelerant ma ke kūʻana o ka immersion pepa

ʻO ke kū i ka luʻu Ω

ʻAʻohe mea holo wikiwiki

C mea hooikaika

D ka mea hooikaika

Hoʻololi ʻia ka resin phenolic A

1.0*10^ 10

8.0*10^ 10

8.4*10^ 11

Phenolic resin i hoʻopaʻa ʻia e ka amonia

8.0*10^8

3.2*10^9

8.5*10^9


  Hiki ke ʻike ʻia mai ka Papa 3, ʻo ka hele ʻana a i ʻole ka loaʻa ʻole o ka accelerant he hopena nui i ka pale ʻana o ka epoxy phenolic aniani papa lole, a ʻokoʻa nā hopena like ʻole i ka resin curing. ʻO ka hiʻohiʻona koʻikoʻi o ka accelerator D ʻo ia ke kuleana o ka amine lua me ka hana catalytic o ka amine tertiary, no laila kiʻekiʻe ka waiwai dielectric o ka huahana hoʻōla i loaʻa me ka accelerator D.


  d) Ka hopena o ka substrate i ka pale ʻana i ka luʻu ʻana o nā laminates

  

  I mea e hoʻomaikaʻi hou aku ai i ka pale ʻana o ka luʻu ʻana o 3240 Epoxy Resin Pepa, ʻoi aku ka maikaʻi o ka hoʻohana ʻana i ka lole aniani me ka mālama ʻana i nā kemika. ʻO ka lāʻau lapaʻau maʻamau i hoʻohana ʻia ʻo Voran, akā i ka wā e hoʻohana ʻia ai ka epoxy resin e like me ka mea hoʻopili, hiki i ka hoʻohana ʻana i ka lāʻau lapaʻau a-aminopropyltriethoxysilane ke hoʻokō i nā hopena maikaʻi aʻe, no ka mea, hiki i ka hui amino i loko ke hana me ka hui epoxy i ka resin epoxy. Hōʻike ka papa 4 i ka mana o nā substrate like ʻole i ke kūʻē ʻana o ka papa lole aniani epoxy phenolic.


  Hiki ke ʻike ʻia mai ka Papa 4 i ke kūpaʻa ʻana o ka pā i hana ʻia me ka lole aniani KH550 e like me ke kiʻekiʻe o ka substrate.


Papa 4 Ka hopena o ka hoʻokomo ʻia ʻana o ka pā i loko o ka wai ma ka mea lalo

ʻO ke kū i ka luʻu Ω

Ka lole aniani ʻole alkali

Ka lole aniani Volan

KH550 Ka lole aniani

Hoʻololi ʻia ka resin phenolic A

3.4*10^ 10

4.5*10^ 10

8.4*10^ 11

Phenolic resin i hoʻopaʻa ʻia e ka amonia

3.6*10^8

8.5*10^8

4.5*10^9


  4. Panina


  I ka hōʻuluʻulu ʻana, ʻo ke kūpaʻa ʻana o ka pā i hana ʻia e ka mālama ʻana i ka epoxy resin me ka thermosetting phenolic resin i hoʻololi ʻia e ka hui A, ke koho ʻana i ka D additive a me ka lole aniani KH550 no ka mea hiki i ka substrate ke hiki i 5.0 x 10.^ 10 .


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