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HTPB ma le CTPB O se Iloiloga Faatasi

0102030405

O mea fou o loʻo atiaʻe e faʻapipiʻi ai le fusi e pei o le HTPB, EHTPB, ATBN, HTBN, CTBN...

2024-05-29

Ua fou ona atiaʻe e le matou fale gaosi mea e faʻapipiʻi ai, e pei o HTPB, EHTPB, ATBN, HTBN, CTBN, ma isi mea faapena...

Mo HTPB e pei o le lelei o le diaphaneity, maualalo le viscosity, tete'e atu i le matua, maualalo le fa'atinoga o le vevela, tete'e atu i le hydrolysis, tete'e atu i le acid ma le alkali, tete'e atu i le ofuina ma meatotino lelei tele o le insulation eletise ma le fa'atinoga lelei o le fa'agasologa. E mafai ona fa'aogaina le HTPB i mea fa'apipi'i, fa'amaufa'ailoga, ufiufi, propellants (HTPB+AP+Al), ma isi mea fa'apena.

O vasega eseese e pei ona taua i lalo:

Mea	Vasega I	Vasega II	Vasega III	Vasega IV	Vasega V	Vasega VI
Foliga vaaia	Vai e leai se lanu pe samasama malamalama manino, e leai ni mea leaga e vaaia
Tau o le Hydroxyl,（mmol/g）	0.47-0.53	0.54-0.64	0.65-0.70	0.71-0.80	0.81-1.00	1.00-1.40
Ma'alili (40 ℃ Pa.s) ≤	9.5	8.5	4.0	3.5	5.0	3.0
Vaega o le tele o le peroxide, %≤	0.04	0.04	0.05	0.05	0.10	0.10
Susū, mamafa% ≤	0.05	0.05	0.05	0.05	0.10	0.10
Mea e Fe'avea'i,%≤	0.5	0.5	0.65	0.65	1.0	1.0
Mamafa molekiula	3800-4600	3300-4100	3000-3600	2700-3300	2300-3000	1200-1800
Manatua: E mafai ona tatou fa'aputuina so'o se fa'aliliuga o le HTPB e tusa ai ma isi faʻamatalaga a tagata faʻatau talosaga.

Mo EHTPB, O le EHTPB o le filifili molecular HTPB e faʻalauiloa ai vaega epoxy, lea e iai ona lelei e pei o le teteʻe atu i le suāuu, teteʻe atu i le matua, manino lelei, ma lelei le faʻatinoga o le vevela maualalo. O vaega hydroxyl i le pito o le filifili molecular ma vaega hydroxyl i le filifili molecular. O le vaega epoxy o se vaega tali atu e mafai ona faʻamalolo i isocyanates eseese ma epoxy curing agents. O le polymer ua faʻamalolo e iai ona meatotino faaletino ma vailaʻau lelei, malosi lelei o le pipii i mea eseese e le o ni uʻamea e pei o uʻamea ma tioata, meatotino dielectric lelei, fua faʻatatau maualalo o le faʻaitiitia, ma le maʻaʻa. Maualuga le tikeri, mautu i le alkali ma le tele o voluma, e mafai ona faʻaleleia atili ai meatotino faʻainisinia, malosi o le pipii, ma le teteʻe atu i le vevela o mea polyurethane.

E mafai ona fa'aaoga le EHTPB mo mea fa'apipi'i, fa'amaufa'ailoga, vali, fa'amalosi epoxy resin, polyurethane elastomers, ma isi mea fa'apena.

O togi e pei ona taua i lalo:

MEAFAIGALUEGA	EHTPB-1	EHTPB-2	EHTPB-3
Tau o le Hydroxyl (mmol/g)	0.7 - 1.5
Tau o le epoxide, wt%	0.5 - 1.5	2.0 - 4.0	4.5 - 5.5
Malōlō (40 ℃, Pa.S)	≤5.0	≤20	≤50
Susū,% ≤	0.05	0.05	0.05
Mamafa molekiula	2000 - 4000
* E le gata i lea: E mafai ona matou suʻesuʻeina ma atiina ae soʻo se lomiga fou o le EHTPB e tusa ai ma manaʻoga faapitoa a matou tagata faʻatau.

Mo ATBN, O le ATBN o se pa'u nitrile vai e iai vaega amino i pito uma e lua o le filifili molecular, lea e mafai ona fa'amamāina i vaila'au fa'amamā isocyanate pe fa'afetaui ma vaega epoxy mo le fa'amamāina. E lelei le tete'e atu o le ATBN i le suāuu, tete'e atu i le vevela, tete'e atu i le ofuina ma le pipii malosi. E mafai ona fa'aitiitia le vevela o le gel ma le vevela o le fa'amamāina o le epoxy resin pe a fa'ama'a'a le epoxy resin.

O le ATBN e masani ona faʻaaogaina o se mea e faʻamalosi ai le epoxy resin, e mafai ona faʻaleleia atili ai le malosi o mea tuʻufaʻatasi, faʻaleleia atili ai le malosi o le sele ma le malosi o le paʻuʻu, ma e mafai foi ona faʻaaogaina o se mea faʻapipiʻi ma se faʻamaufaʻailoga eseese.

O vasega eseese o le ATBN e pei ona taua i lalo:

MEAFAIGALUEGA	ATBN-1	ATBN-2
Tau o le amine, wt%	0.8 - 1.2	0.8 - 1.2
Malōlō (40 ℃, Pa.S)	≤10	≤30
Susū,% ≤	0.05	0.05
Aotelega o le Acrylonitrile, %	10 - 20	22 - 28
Mamafa molekiula	2000 - 3000	2000 - 3000
* E le gata i lea: E mafai ona matou suʻesuʻeina ma atiina ae soʻo se lomiga fou o le HTBN e tusa ai ma manaʻoga faapitoa a matou tagata faʻatau.

Mo HTBN, O le HTBN o se pa'u nitrile vai ma vaega fa'atino hydroxyl i pito uma e lua o le filifili molecular, lea e tutusa ona meatotino fa'aletino ma fa'akemikolo e pei o le pa'u nitrile ma e mafai ona fa'amālōlōina i vaila'au fa'amālōlō isocyanate, E lelei lona tali atu ma le fa'atinoga o le fa'agasologa. E lelei fo'i le tete'e atu o le HTBN i le suau'u, tete'e atu i le vevela, tete'e atu i le ofuina, ma malosi le pipii.

O le HTBN e masani ona faʻaaogaina o se mea e faʻamalosi ai mea faʻapipiʻi, ufiufi, ma resins, e mafai ona faʻaleleia atili ai le malosi, pipii, tumau, teteʻe atu i le suāuu ma le vevela o mea tuʻufaʻatasi.

O le eseesega o le HTBN e pei ona taua i lalo:

MEAFAIGALUEGA	HTBN-1	HTBN-2
Tau o le Hydroxyl, wt%	0.8 - 1.2	0.8 - 1.2
Malōlō (40 ℃, Pa.S)	≤10	≤30
Susū,% ≤	0.05	0.05
Aotelega o le Acrylonitrile, %	10 - 18	20 - 28
Mamafa molekiula	2000 - 3000	2000 - 3000
* E le gata i lea: E mafai ona matou suʻesuʻeina ma atiina ae soʻo se lomiga fou o le HTBN e tusa ai ma manaʻoga faapitoa a matou tagata faʻatau.

Mo CTBN, O le vai carboxyl-terminated butadiene acrylonitrile o se tasi ituaiga o pa'u vai e iai le carboxyl group o lana vaega fa'atino, ma o lona fa'ailoga o le CTBN, e mafai ona fa'aaogaina lautele i va'alele ma vaega tau alamanuia sivili. E masani ona fa'aogaina le CTBN fa'atasi ma le somatotype resin. O le CTBN e iai le active carboxyl-terminated group e mafai ona tali atu i le epoxy resin ina ia fa'aleleia atili ai le malosi.

e mafai ona fesuia'i le Hypro 1300x13 CTBN e Hunstman.

faatasi ai ma le faatinoga e pei ona:

1. Fa'aleleia atili le malosi ma le fetu'una'i o resins thermoset

2. Fa'aleleia atili le pipii i mea e faigata ona pipii i ai

3. Fa'ateleina le tete'e atu i le pa'i ma le māvaevae

4. Fa'aleleia le tumau (tete'e atu i le vaivai)

5. Fa'ateleina meatotino fa'amekanika o le vevela maualalo

6. O lo'o maua le lomiga a le FDA

O le ituaiga eseese e pei o:

MEAFAIGALUEGA	CTBN-1	CTBN-2	CTBN-3	CTBN-4	CTBN-5
Tau o le karboksila (mmol/g)	0.45 - 0.55	0.55-0.65	0.55-0.65	0.65-0.75	0.6-0.7
Foliga vaaia	Vai manifinifi lanu Amber, e leai ni mea leaga e vaaia
Malōlō (27℃,Pa.S)	≤180	≤150	≤200	≤100	≤550
Aotelega o le Acrylonitrile,%	8.0-12.0	8.0-12.0	18.0-22.0	18.0-22.0	24.0-28.0
Susū, wt% ≤	0.05	0.05	0.05	0.05	0.05
Mea e Feoloolo,% ≤	1.0	1.0	1.0	1.0	1.0
Mamafa molekiula	3600 - 4200	3000 - 3600	3000 - 3600	2500 - 3000	2300 - 3300
* E le gata i lea: E mafai ona matou suʻesuʻeina ma atiina ae soʻo se lomiga fou o le CTBN e tusa ai ma manaʻoga faapitoa a matou tagata faʻatau.

Mo nisi fa'amatalaga fa'amolemole fa'afeso'ota'i mai i le imeli young@theoremchem.com po'o le numera telefoni +86 183 2167 9576 (wechat/whatsapp/telegram)