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Epoxidation o le HTPB: Fa'atinoga ma Fa'aoga

O ata o le CTBN ma vaega fa'aoga

mea maualuluga HTBN Hydroxy-terminated nitrile butadiene pa'u

O sui fou e fa'apipi'iina e pei ole HTPB, EHTPB, ATBN, HTBN, CTBN...

Vaivai HTPB CAS 69102-90-5 Hydrogenated Hydroxyl Group-Terminated Polybutadiene

2,4,7,9-Tetramethyl-5-Decyne-4,7-Diol CAS 126-86-3 o se faʻaopoopoga multifunctional surfactant faʻatasi ai ma le susu, faʻafefe, ma faʻasalalau meatotino.

Hexagonal Boron Nitride: Ose Mea Fa'aofoga Tele

Boron Nitride: Su'esu'eina Talosaga Pa'u Tele

O le a le HTPB ile suau'u papa?

O sui fou e fa'apipi'iina e pei ole HTPB, EHTPB, ATBN, HTBN, CTBN...

2024-05-29

O le matou falegaosimea fou na atiina ae le soʻotaga faʻapipiʻi, peiHTPB,EHTPB,ATBN,HTBN,CTBN, ma isi...

MoHTPB e pei o le diaphaneity lelei, viscosity maualalo, matua tetee, maualalo le faatinoga o le vevela, Hydrolysis tetee, acid ma alkali tetee, ofuina teteʻe ma sili atu le eletise insulation meatotino ma le faagasologa o faatinoga lelei. HTPB e mafai ona faʻaaogaina i le faʻapipiʻi, faʻamaufaʻailoga, faʻapipiʻi, faʻamalosi (HTPB + AP + Al), ma isi ituaiga o faʻaoga.

O togi eseese e pei ona taua i lalo:

Aitema	Vasega I	Vasega II	VasegaIII	Vasega IV	VasegaV	VasegaVI
Fa'aaliga	E leai ni lanu po'o le moli samasama manino vai, leai ni mea leaga e iloa
Tau 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
Viscosity(40℃ Pa.s）≤	9.5	8.5	4.0	3.5	5.0	3.0
O vaega ninii o le peroxide, %≤	0.04	0.04	0.05	0.05	0.10	0.10
Susū, wt%≤	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 mole	3800-4600	3300-4100	3000-3600	2700-3300	2300-3000	1200-1800
Manatua: E mafai ona matou faʻapipiʻiso'o se fa'aliliuga ole HTPBe tusa ai ma tagata faʻatau isi faʻamatalaga talosaga.

MoEHTPB , EHTPB o le HTPB molecular chain lea e faʻafeiloaʻi ai vaega epoxy, o loʻo i ai tulaga lelei e pei o le suauʻu teteʻe, teteʻe matua, manino lelei, ma lelei le faʻatinoina o le vevela. O vaega o le hydroxyl i le pito o le filifili mole ma le vaega o le hydroxyl i le filifili mole O le vaega o le epoxy o se vaega faʻafefe e mafai ona faʻamālōlōina i le isocyanates eseese ma le epoxy curing agents O le polymer faʻamalolo e iai mea lelei faaletino ma vailaʻau, malosi faʻapipiʻi lelei e eseese mea e le u'amea pei o metala ma tioata, meatotino dielectric lelei, maualalo shrinkage fua faatatau, ma le maaa O le maualuga maualuga, mautu i le alkali ma le tele voluma, e mafai ona matua faaleleia ai le masini, malosi pipii, ma le vevela tetee o mea polyurethane.

O le EHTPB e mafai ona faʻaaogaina mo mea faʻapipiʻi, faʻamaufaʻailoga, faʻaofuofu, epoxy resin toughening, polyurethane elastomers, ma isi.

O togi e pei ona taua i lalo:

MEA	EHTPB-1	EHTPB-2	EHTPB-3
Ole tau ole hydroxyl(mmol/g)	0.7-1.5
Epoxide tau, wt%	0.5-1.5	2.0-4.0	4.5 - 5.5
Viscosity (40℃,Pa.S)	≤5.0	≤20	≤50
Susū,% ≤	0.05	0.05	0.05
mamafa mole	2000-4000
* I le faʻaopoopoga: E mafai ona matou suʻesuʻeina ma atiaʻe soʻo se lomiga fou o le EHTPB e tusa ai ma manaoga faʻapitoa a matou tagata faʻatau.

MoATBN , ATBN o se pa'u nitrile vai fa'atasi ma vaega fa'atino amino i pito uma e lua o le filifili mole, lea e mafai ona fa'amaloloina fa'atasi ma vaila'au fa'amalolo isocyanate pe tali atu i vaega epoxy mo le fa'amalolo. ATBN o loʻo i ai le suauʻu lelei, faʻafefe vevela, faʻaofuofu teteʻe ma faʻapipiʻi malosi. E mafai ona faʻaitiitia le vevela gel ma faʻamalolo le vevela o le epoxy resin pe a faʻamalosi le epoxy resin.

O le ATBN e masani ona faʻaaogaina e avea o se sui faʻamalosi mo le epoxy resin, e mafai ona faʻaleleia le malosi o mea faʻapipiʻi, faʻaleleia le malosi o le paʻu ma le paʻu malosi, ma e mafai foi ona faʻaaogaina e avea o se faʻapipiʻi eseʻese ma sealant.

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

MEA	ATBN-1	ATBN-2
tau Amine, wt%	0.8-1.2	0.8-1.2
Viscosity (40℃,Pa.S)	≤10	≤30
Susū,% ≤	0.05	0.05
Acrylonitrile i totonu,%	10-20	22-28
mamafa mole	2000-3000	2000-3000
* I le faʻaopoopoga: E mafai ona matou suʻesuʻeina ma atiaʻe soʻo se lomiga fou o le HTBN e tusa ai ma manaoga faʻapitoa a matou tagata faʻatau.

MoHTBN , HTBN o se pa'u nitrile vai ma vaega fa'atino hydroxyl i pito uma e lua o le filifili mole, lea ei ai le tino ma le kemikolo meatotino e pei o nitrile pa'u ma e mafai ona faamaloloina ma isocyanate fa'amalologa sooupu, E lelei reactivity ma faatinoga faatinoga. HTBN o loʻo i ai le lelei o le suauʻu, faʻafefe vevela, faʻaofuofu teteʻe, ma malosi faʻapipiʻi malosi.

O le HTBN e masani ona faʻaaogaina e fai ma sui faʻamalosi mo mea faʻapipiʻi, paʻu, ma resini, e mafai ona faʻaleleia le malosi, faʻapipiʻi, tumau, suauu ma le vevela o mea faʻapipiʻi.

Ole fa'aliliuga 'ese'ese ole HTBN e fa'apea:

MEA	HTBN-1	HTBN-2
Tau hydroxyl, wt%	0.8-1.2	0.8-1.2
Viscosity (40℃,Pa.S)	≤10	≤30
Susū,% ≤	0.05	0.05
Acrylonitrile i totonu,%	10-18	20-28
mamafa mole	2000-3000	2000-3000
* I le faʻaopoopoga: E mafai ona matou suʻesuʻeina ma atiaʻe soʻo se lomiga fou o le HTBN e tusa ai ma manaoga faʻapitoa a matou tagata faʻatau.

MoCTBN , O le suavai carboxyl-terminated butadiene acrylonitrile o se tasi ituaiga o pa'u vai lea ei ai vaega carboxyl e pei o lona vaega galuega, ma o lona code o le CTBN, e mafai ona faaaoga masani i vaalele ma nofoaga alamanuia tau le va o tagata. E masani ona fa'aoga le CTBN fa'atasi ma somatotype resin. O le CTBN o loʻo i ai le vaega faʻamutaina carboxyl e mafai ona tali atu i luga o le epoxy resin ina ia faʻaleleia ai le malosi.

e mafai ona sui Hypro 1300x13 CTBN e Hunstman.

ma le faatinoga e pei o:

1. Faʻaleleia le malosi ma le fetuutuunai o resini thermoset

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

3. Fa'ateleina a'afiaga ma ta'e tete'e

4. Fa'aleleia le tumau (tetee vaivai)

5. Faʻateleina mea faʻainisinia maualalo-vevela

6. FDA lomiga avanoa

O ituaiga eseese e pei o:

MEA	CTBN-1	CTBN-2	CTBN-3	CTBN-4	CTBN-5
Tau o Carboxyl(mmol/g)	0.45-0.55	0.55-0.65	0.55-0.65	0.65-0.75	0.6-0.7
Fa'aaliga	Amber Viscous vai, leai ni mea leaga e iloa
Viscosity (27℃,Pa.S)	≤180	≤150	≤200	≤100	≤550
Acrylonitrile i totonu,%	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 fe'avea'i,% ≤	1.0	1.0	1.0	1.0	1.0
mamafa mole	3600-4200	3000-3600	3000-3600	2500-3000	2300-3300
* E le gata i lea: E mafai ona matou suʻesuʻeina ma atiaʻe soʻo se lomiga fou o le CTBN e tusa ai ma manaoga faʻapitoa a matou tagata faʻatau.

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