Theknoloji ea ho Theha le ho Sebelisa Epoxy Resin e se Nang Mollo oa Halogen

Theknoloji ea ho Theha le ho Sebelisa Epoxy Resin e se Nang Mollo oa Halogen

Moreki o batla sesebelisoa se thibelang malakabe se sireletsang tikoloho, se se nang halogen, le se se nang tšepe e boima se loketseng resin ea epoxy e nang le sistimi ea ho phekola anhydride, e hlokang ho latela UL94-V0. Sesebelisoa sa ho phekola e tlameha ho ba sesebelisoa sa ho phekola epoxy se mocheso o phahameng se nang le Tg e fetang 125°C, se hlokang ho phekola mocheso ho 85–120°C le karabelo e liehang mochesong oa kamore. Ka tlase ke mokhoa o qaqileng joalo ka ha o kopuoa ke moreki.

I. Sistimi ea ho Theha e Sireletsang Mollo

1. Sistimi e Sireletsang Mollo oa Motheo: Tšebelisano-'moho ea Phosphorus-Naetrojene

Tafole ea Tlhahisoleseling e Sireletsang Mollo

2. Dintho tse thusang tse thibelang malakabe le tse thusang ho kopanya malakabe

Lethathamo la Tlhahisoleseding ea Li-Auxiliary Flame Retardants

3. Mohlala oa ho Lokisa (Kakaretso ea ho Jarisa: 20–30%)

Sebopeho sa Motheo (Ha se Amanang le Kakaretso ea Resin)

II. Mehato ea Ts'ebetso ea Bohlokoa

1. Ho Kopanya le ho Hasanya

A. Pele ho Kalafo:

• Hypophosphite ea aluminium e omileng, APP, le MCA mochesong oa 80°C ka lihora tse 2 (e thibela ho monngoa ha mongobo).
• Tšoara li-filler tse sa pheleng (aluminium hydroxide, zinc borate) ka sesebelisoa sa ho kopanya sa silane (mohlala, KH-550).

B. Tatellano ea ho Kopanya:

1. Resin ea Epoxy + Lintho tse thibelang malakabe (60°C, hlohlelletsa hora e le 'ngoe)
2. Kenya sesebelisoa sa ho phekola sa anhydride (boloka mocheso o ka tlase ho 80°C)
3. Ho tlosa khase ka vacuum (-0.095 MPa, metsotso e 30)

2. Mokhoa oa ho Phekola

Ho Folisa Mehato (Ho Lekanya botsitso bo thibelang malakabe le Tg e phahameng):

1. 85°C / 2h (ho qala butle, ho fokotsa lipululana)
2. 120°C / 2h (e netefatsa karabelo e felletseng ea anhydride)
3. 150°C / 1h (e eketsa bongata ba ho hokahanya, Tg >125°C)

3. Lintlha tsa Bohlokoa

• Taolo ea ho thibana ha lintho: Haeba ho thibana ha lintho ho phahame haholo, eketsa 5% ea epoxy e arabelang (mohlala, AGE).
• Ho lieha ho fola: Sebelisa methylhexahydrophthalic anhydride (MeHHPA) kapa eketsa 0.2% 2-ethyl-4-methylimidazole (e liehisa karabelo ea mocheso oa kamore).

III. Netefatso ea Tshebetso le Phetoho

1. Ho Sireletsa Lelakabe:

• Teko ea UL94 V0 (botenya ba 1.6mm): Netefatsa nako ea ho chesa ka tlase ho metsotsoana e 10, ha ho na ho rotha.
• Haeba ho hloleha: Eketsa aluminium hypophosphite (+3%) kapa APP (+2%).

2. Tshebetso ea Thermal:

• Teko ea DSC bakeng sa Tg: Haeba Tg e ka tlase ho 125°C, fokotsa aluminium hydroxide (e theola Tg ka lebaka la phello ea endothermic).

3. Thepa ea Mekaniki:

• Haeba matla a ho kokobela a theoha, eketsa nano-silica ea 1–2% bakeng sa ho matlafatsa.

IV. Mathata a ka bang teng le Litharollo

Tafole ea Mathata a Sireletsang Mollo le Litharollo

V. Tlhahiso e 'Ngoe (Haeba ho Hlokahala)

Nka sebaka sa karolo ea APP ka li-derivative tsa DOPO (mohlala, DOPO-HQ):

• 8% DOPO-HQ + 10% aluminium hypophosphite e fokotsa mojaro o felletseng (~18%) ha e ntse e boloka ts'ebetso.

Motswako ona o leka-lekanya ho tiea ha mollo, polokeho ea tikoloho, le ts'ebetso ea mocheso o phahameng. Liteko tse nyane (500g) lia khothaletsoa pele ho tlhahiso e felletseng.

More info., pls contact lucy@taifeng-fr.com