A na-ejikarị adhasives ndị na-agbanwe agbanwe na ndụ anyị. Dabere na isi mmalite dị iche iche, enwere ike ekewa ya na gluu anụmanụ, mkpụrụ osisi na-amị amị na ịnweta. Animal glue includes skin glue, bone glue, shellac, casein glue, albumin glue, fish bladder glue, etc.; Mpempe akwụkwọ nri gụnyere stachi, dextrin, rosan, gum Arabic, roba eke, wdg.; Inweta ịnweta gụnyere ịnweta mfrica, asphalt na-eche. N'ihi isi mmalite ya dị ukwuu, ọnụahịa dị ala na oke oke dị ala, a na-eji ya n'ọtụtụ ụlọ, na-ede akwụkwọ, nkwakọ ngwaahịa na nhazi.
nbata starch
Mgbe Starch Angarive rutere na narị afọ nke 21, arụmọrụ gburugburu ebe obibi nke ihe ahụ ga-aghọ ihe dị mkpa nke ihe ọhụrụ ahụ. Starch bụ ihe na-adịghị egbu egbu, na-adịghị emerụ ahụ, dị ala, biodegradable na gburugburu ebe obibi na-eme mgbanwe. A na-ejikarị ya rụọ ọrụ dị iche iche. Karịsịa n'afọ ndị na-adịbeghị anya, teknụzụ nke mmepụta ọrụ nke ụwa na-etolite n'ụzọ nke ịchekwa ume, ọ nweghị ihe ọjọọ, viscosity dị elu na enweghị mgbatị ahụ.
Dịka ụdị ngwaahịa nchekwa ụlọ akwụkwọ ndụ akwụkwọ ndụ, ihe nracha ụlọ na-adọtala nnukwu nlebara anya na ụlọ ọrụ dị egwu. Dị ka ngwa na mmepe nke adherch adhesives na-enwe nchegbu, atụmanya nke ihe nrapado na-eme ka ọ ghara ikwe nkwa, na nyocha na ngwa kachasị.
N'oge na-adịbeghị anya, stachi dị ka ejiji na-ejikarị akwụkwọ na ngwa akwụkwọ, dịka Carton na akara akwụkwọ, na-adọrọ adọrọ, akpa akwụkwọ na-emekọ ihe, wdg.
A na-ewebata ọtụtụ ndị na-agbanwe agbanwe dị n'okpuru:
Oxidized starch nrapado
Gelatinized kwadebere site na ngwakọta nke polymerized nwere obere nke polymerization nwere otu na carroxyde otu na-eme ka ikpo oku ma ọ bụ gelatining na ụlọ okpomọkụ bụ ihe nrapado starch. Mgbe starch ahụ ka oxidized, oxidized stachi na mmiri sogbelity, ụbọchị vattive na addesifzeness.
Ọnụ ọgụgụ nke oxidant dị obere, ogo nke oxidation ezughi oke, ngụkọta nke ndị otu na-arụ ọrụ na-agbadata, viscosity nke mbụ na-ebelata, viscosis nke mbụ na-ebelata, viscosis nke mbụ na-ebelata, viscosis nke mbụ na-ebelata, viscosis nke mbụ na-ebelata, viscosis nke mbụ na-ebelata, viscosis nke mbụ na-ebelata, viscosity nke mbụ na-ebelata, viscitise na-ebelata, viscitise na-ebelata, viscitise bụ ogbenye. Ọ nwere mmetụta dị ukwuu na acidity, nghọta na ọdịnaya hydroxy nke nrapado.
Site na ogologo oge mmeghachi omume, ogo nke oxidation na-abawanye, ọdịnaya nke carboxy otu na-abawanye, mana nghọta na-akawanye mma.
Estafied starch
Estadize Starch addch bụ ihe na-adịghị emebi emebi, nke na-anaghị emebi emebi, nke na-azọcha nke nwere mmeghachi omume ọhụrụ site na ndị ọzọ na-eme ihe na-eme mkpọtụ nke ụmụ irighiri mmiri na ihe ndị ọzọ dị iche iche. N'ihi njikọta akụkụ nke oke na-eme mkpọtụ, yabụ na-abawanye ụba starch, a na-abawanye ma ọ bụrụ na nchekwa mmiri ka mma, na oyi na-agbanwe agbanwe nwere ike iguzo elu na nke ọzọ.
Gradchad starch
Grafting nke stachi bụ iji usoro nke anụ ahụ na kemịkal mee ka radicals mepụta radicals, na mgbe a na-ezute monomors polymer, mmeghachi omume na-etolite. A na-emepụta otu akụkụ polymers nke polymer na-emepụta na isi stachi.
Na-erite uru na njiri mara nke polyethylene na usoro ụmụ irighiri ihe na-aba n'anya na ụmụ irighiri mmanya na-aba n'anya polyvinyl na-aba n'anya polyvinyl Ezigbo ihe na-atọ ụtọ, ọkụ na akụrụngwa na-egbochi.
N'ihi na starch nrakwù polymesive almesive, ọ dị ala na ọnụahịa, ndị na-abụghị ihe na-enweghị obi ụtọ, ọ nweghị mmejọ na-enweghị isi, yabụ na-eme nchọpụta na ebe niile. N'oge na-adịbeghị anya, a na-ejikarị akwụkwọ starch na-eji akwụkwọ, akwa akwa, envelopa, mmado, na kaadiboodu.
Celhesive
Mkpụrụ osisi ether ether kwa dị ka adresives na-etinyekarị metyl cellulose, ethylythyth cellulose, celloxyyth cellulose, bụ mmiri na-enweghị mmiri, na-enweghị mgbochi cellosuble ala.
O nwere ezigbo ntukwasi obi ike, mkpuchi alkali siri ike na ntuli aka nke oma, ma nwee njiri mara ike na ike mgbanwe na ala. Ọ dakọtara na wax, resin, plastizer, wdg, dịka mpempe akwụkwọ, roba, adhesives maka akwa.
Methyl Cellulose (cmc): ionic cellulose ether. Na ụlọ ọrụ kọmitiiti, a na-ejikarị cmc dochie oke dị elu dị ka onye na-elekọta akwa maka akwa. Textlọ Akwụkwọ Nsọ etinyere na cmc nwere ike ịbawanye ịdị nro ma melite Njirimara na ịnyapụ. 'N'ime ụlọ ọrụ nri, a na-agbakwunye ụdị ice ice na-agbakwunye na cmc nwere ezigbo ụdị kwụsiri ike, mfe agba, ọ dịghịkwa mfe iji mee ka ọ dị nro. Dị ka ihe nrapado, a na-eji ya mee ka ọ bụrụ abụ, igbe akwụkwọ, akpa akwụkwọ, akwụkwọ akwụkwọ ahụaja, akwụkwọ ahụaja na osisi anụ ahụ.
Cellelose EsterIhe omimi: tumadi nitrocelllose na akwara celhate. Nitrocellose: a makwaara dị ka nitrate nutrate, ọdịnaya ya dị n'etiti 10% na 14% n'ihi ogo dị iche iche.
A na-akpọkarị ọdịnaya dị elu dị ka akwa ọkụ, nke ejirila ya na imepụta nke anwụrụ ọkụ na colloidal. A na-akpọkarị ọdịnaya dị ala dị ka Flodion. Ọ bụ innoluble na mmiri, ma soluble na a gwakọtara agwakọta nke ethyl mmanya na ether, na ihe ngwọta ya bụ okpomoku. N'ihi na collodion na-agbasa ma na-akpụpụta ihe nkiri siri ike, a na-ejikarị ya mechie emechi, nchebe na seliloid mbụ clastiloid nke mbụ.
Ọ bụrụ na a na-agbakwunye ego nke Alkyd dị ka ihe omimi na a na-eji camphor dị ka onye na-ahụ maka ịnya isi, ọ na-ejikarị mpempe akwụkwọ, nke a na-ejikarị mpempe akwụkwọ nkekọ, akwa, iko na ceramics.
Cellet acetate: onye a makwaara dị ka acetate acetate. Na ọnụnọ nke sulfuric acid na-enweta, cellulite na-eji ngwakọta acetic acid na ethanol, wee jiri hydlolyze ngwaahịa ahụ na-achọ atụmatụ a chọrọ.
Enwere ike iji nitrocellose, acetate acetate nwere ike iji melite ihe addesives-dakọtara na ngwaahịa plastik dị ka iko na ihe egwuri egwu. E jiri ya tụnyere nitrate cellutase, ọ nwere nguzogide viscosince na ịdịte aka, kama ọ nwere ọgwụ acid na-eguzogide, mmiri na-eguzogide.
gluu gluu
Ihe nrapado protein bụ ụdị nrapado sitere n'okike nwere protein-nwere ihe dị ka ihe dị mkpa. Enwere ike ịme mgbasa ozi site na protein protin na protein protein. Dabere na protein eji, a na - ekewa ya na protein anụmanụ (gluu gluu, gluu gluu) na protein protein (bean chịngọm, wdg). Ha n'ozuzu nwere ihe nkekọ dị elu mgbe akọrọ ma jiri ya rụọ ọrụ na mmepụta ngwaahịa na mmepụta ngwaahịa. Agbanyeghị, nguzogide okpomoku ya na ntugide mmiri, nke ndị na-eme protein protenis dị mkpa karịa.
GLOY protein: protein akwukwo nri abughi ihe eji eme nri, ma nwekwaa otutu ngwa na nri ndi n'enweghi nri. Mepụtara na addesives soy protenives, dị ka afọ 1923, Johnson etinyere maka patent maka addein adhesives soy protesives.
N'afọ 1930, a na-ejighị ike na-eme ihe nkiri Soyen Phenomilive nke soybean (Duption Division) na-ejikarị ike nke njikọ na nkwalite dị elu.
N'afọ ndị na-adịbeghị anya, n'ihi mmụba nke ahịa mmanụ na gburugburu ebe obibi na-adọrọ adọrọ, nke mere ka ihe ndị na-adịghị mma na-agbanwe agbanwe, nke na-ebute na-agbaghakwa ụlọ ọrụ protein ọzọ.
Ndabere Soybean abụghị ihe na-adịghị mma, ọ dị mfe, ọ dị mfe iji, mana enwere ike iguzogide mmiri. Dinggbakwunye 0.1% (Mass) nke ndị na-ejikọ ihe dị ka Thireagea, carboboxyymylym sulfide, wdg.
A na-ejikwa ọmarịcha protein: A na-ejikarị anụ ụlọ anụmanụ n'ọtụtụ ebe na akụrụngwa nhazi osisi. Ngwaahịa a na-ejikarị ya na ngwaahịa ndị a na-ejikarị oche, tebụl, akwa, ụdị, ihe ụmụaka ji egwuri egwu na ndị na-egwu egwuregwu.
Ọhụụ na-egbu egbu na-acha uhie uhie na-eme ka ụdị ọgwụgwọ dị elu 50-60 gụnyere ụdị ọgwụgwọ ngwa ngwa, nke a ga-eji gwọọ ya, nzukọ ụlọ, na anụmanụ ndị ọzọ dị oke ọnụ. Obere na nke na-achọgharị chọrọ oge maka gluu.
Gluu anụmanụ bụ ụdị nke ihe nrapado ejiri na teepu nrapado. Enwere ike iji teepu ndị a maka akpa ndị na-ere ahịa na-eme ka a na-enwekarị eriri ndị dị ka akara ma ọ bụ nkwakọ ngwaahịa maka mbupu ebe achọrọ ike nke njikọ ngwa ngwa.
N'oge a, ọnụọgụ nke ọkpụkpụ nke buru ibu, a na-ejikarị gluu anụ ahụ naanị ma ọ bụ jikọtara ya na ọkpụkpụ ọkpụkpụ. Dabere na mkpuchi na ntanetị, a na-ejikwa ihe ndị a na-eme ihe dị ihe dị ka 50%, enwere ike ịgwakọta ya na 10% ruo 20% Gel na-egbochi (mgbe ọ dị mkpa).
A na-agwakọta ihe nrapado (60 ~ 63 ℃) na-agwakọta ya na agba na mpempe akwụkwọ na-akwado ya, yana nkwụnye ego siri ike bụ ihe ọ bụla 25% nke ọnụ nke ụlọ ahụ. Enwere ike ịmịji mmiri n'okpuru esemokwu na uzuoku ma ọ bụ na-agbazi ikuku na-agbanwe agbanwe.
Na mgbakwunye, ngwa gluu anumanu gụnyere imepụta nke sandpasives, singsasives, sings na mkpuchi nke akwụkwọ na akwụkwọ, na njikọta akwụkwọ na akwụkwọ akụkọ.
Tannin nrapado
Tannin bụ onyinye organic nwere otu polyphenalic otu, ebe niile na azuokokoosisi, ogbugbo, mgbọrọgwụ, akwụkwọ na mkpụrụ osisi nke osisi. Nke tumadi site na iji osisi na-azị ahịhịa na osisi na-enwe ọdịnaya tannin dị elu. A na-agwakọta tannin, a na-agwakọta Tannin ma na-ewe iwe iji nweta tannin resin, mgbe ahụ, a na-agbakwunye mgbachi ahụ, a na-enweta ihe nraranye tanning site na-akpali.
Ntanetị Tannin nwere ezigbo nguzogide na okpomọkụ na iru mmiri na-akawanye njọ, na arụmọrụ nke osisi na-egbu egbu dị ka nke phenalive adres. A na-ejikarị osisi na-acha odo odo, wdg.
lignin na-eme mkpọtụ
Ligninnin bụ otu n'ime ihe ndị bụ isi nke osisi, na ihe ndekọ ọdịnaya ya maka ihe dị ka 20-40% nke osisi, nke abụọ na cellulose. O siri ike iwepụ lingin ozugbo na osisi, isi mmalite bụ mmiri na-emebi mmiri, nke bara ụba na akụ.
A naghị eji ligmin naanị, mana polymer resin na-enweta site na omume nke ihe ngosipụta nke linilic na formaldehyde dị ka nrapado. Iji meziwanye nguzogide mmiri, enwere ike iji ya na mgbanaka epoxy Epoxy Epoxy, onye nzuzu nzuzu, onye na-eme ihe nkiri na ogige ndị ọzọ. A na-ejikarị mmagharị Lignin na-ejikọ ihe maka njikọ plywood na bredboard. Agbanyeghị, viscosity ya dị elu ma agba dị omimi, ma mgbe ọ rụlitere, enwere ike ịgbatịkwu ngwa ngwa.
Arabic chịm
Arabic Arabic, nke a makwaara dị ka Acacia Gum, bụ Exdugate sitere na osisi ezinụlọ na-enweghị atụ. Aha ya bụ n'ihi oke arụ ọrụ na mba Arab. Kum Arabic bụ nke nwere obere molecular dị ala polysiccharides na oke egwu acacia glycoproteins. N'ihi ezigbo akụkụ mmiri nke Arabic, usoro dị mfe, ọ dịghị okpomọkụ ma ọ bụ propaktors. Gum Arabic Dries ngwa ngwa. Enwere ike iji ya mee ihe dị iche iche ngwa anya, stampụ na-acha uhie uhie, maapụ azụmaahịa azụmahịa, nkwakọ ngwaahịa nri na mbipụta na ịbepu akwụkwọ.
Inorganic
A na-akpọ ndị na-eme ihe na-eme ihe na ihe dị ka phosphates, phosphates, sọlfọ, nnu nnu, ọla, wdg. Njirimara Ya:
(1) Ọnọdụ okpomọkụ dị elu, nwere ike iguzogide 1000 ℃ ma ọ bụ na ọnọdụ okpomọkụ:
(2) Njirimara Ancialing A na-amịrị:
(3) Obere mpekere
(4) Nnukwu ije. A na-ahụkarị moduli bụ usoro dị elu karịa nke ndị na - achọgharị:
(5) Ntugide mmiri, acid na alkali na-eguzogide dara ogbenye.
Ị maara? Addesives nwere ihe ndị ọzọ na-eji arapara n'ahụ.
A na-ejikarị corrosion: A na-ejikarị eriri mmiri kpuchie ya na Asbestos iji nweta mkpuchi ikuku, mana n'ihi na mmiri na-emepụta, nke na-agbadata na mgbidi nke ala steep pates; A na-ekpughe pite stee dị elu ruo ogologo oge, soluble sas bụ ọrụ nke mgbidi dị na mgbidi dị oke njọ.
Iji mezuo nke a, enwere ike iji mmiri mmiri dị ka ihe mkpuchi dị ka ihe mkpuchi na ala oyi akwa nke aluminom na-eme ka a na-eji mkpọchi enamel. N'ime nrụnye nke arụ ọrụ, ihe mejupụtara na-abụkarị. Egosiputa ogologo oge nke ikuku maka ngwaọrụ ejiri nwere ike ibute corvice. Na usoro ọrụ arụ ọrụ, mgbe ụfọdụ, a na-atọgbọ bolts n'ihi oke mkpọtụ.
Iji dozie nsogbu a, enwere ike ijikọ ihe ndị na - ejikọ ya na adreorganic adresives na nrụnye arụ ọrụ, wee jikọọ ya na bolts. Nke a enweghị ike ịrụ ọrụ na mgbakwunye, kamakwa ekere òkè na mgbochi corrosion.
Ihe omumu ihe omimi: ihe mejuputara ihe omuma nke ihe omuma di nso na akuku nke mmadu, nwere ezigbo biocompatibility, nwere ike itolite nkeko di ike na aru ya.
Agbanyeghị, General Eristilus nke a kwadebere dị elu dị elu ma ike dị ala, ọrụ ahụ adịghị mma. A na-ahọrọ ihe iko iko phosphate, na ntụ ntụ na-agbakọ ọnụ na ala okpomọkụ karịa mmegide ọdịnala, si otú a na -ebelata moduli ahụ ma na-agba mbọ na-eme ihe onwunwe.
COTESION Teknụzụ Ltd. Kpesa na ha zụlitere otu cosant nke enwere ike iji ya maka njikọta njikọ ma jiri ya rụọ ọrụ nke ọma. Site na iji nke ikpe 21 nke ịwa ahụ dị afọ iri abụọ na abụọ na Europe, achọpụtara na ojiji nke ịwa ahụ na-ebelata ebe a tụlere na usoro ndị ọzọ. Ọmụmụ nke ụlọ ọrụ na-esote gosipụtara na coressant seltant nwere nnukwu ikike na Carwac, ọrịa gynecoalagical na afọ.
A maara ngwa nke adhasives na ọgwụ dị ka isi ihe ọhụrụ na ụlọ ọrụ dị egwu. Mpempe akwụkwọ epoxy mejupụtara ma ọ bụ polyester na-enweghị atụ.
Na teknụzụ nchekwa: Ebe nrụzi stealk bụ otu n'ime akara nke usoro nke iche iche nke Ival. Ofzọ dị mkpa nke stealth stealth bụ idobe taịlị na-atọ ụtọ na shei okpuru mmiri. Ụda ụda na-atọ ụtọ bụ ụdị rọba na ihe ndị na-atọ ụtọ.
Iji mata ngwakọta nke muffler taịlị na efere nke mgbidi ụgbọ mmiri, ọ dị mkpa ịdabere na nrapado. A na-eji agha agha: nchịkwa ndị agha, ụgbọ mmiri ndị agha, ndị agha ụgbọ elu, na-ebugharị ụgbọ elu nchekwa, nkwadebe nke ihe iyi egwu, nkwadebe nke ihe mgbochi, mgbochi iyi ọha egwu na mgbochi iyi ọha egwu.
Ọ dị ịtụnanya? Elegidela obere nrapa anyị anya, enwere ọtụtụ ihe ọmụma n'ime ya.
Ihe ndị na - eme ihe na kemịkal nke nrapado
Oge Ọrụ
Oge kacha nta n'etiti agwakọta na njikọta nke akụkụ a ga-ejikọ
Oge izizi
Oge iwepu ikike na-enye ikike zuru oke maka ijikọ ihe agbụ, gụnyere akụkụ na-akpụ akpụ site na ndozi
Oge Ọgwụ zuru oke
Oge achọrọ iji nweta akụrụngwa ikpeazụ mgbe agwakọta agwakọta
Oge Nchekwa
N'ọnọdụ ụfọdụ, ihe nrapado ka nwere ike ilekọta akụrụngwa na oge nchekwa nke ike akọwapụtara
Bonding ike
N'okpuru omume nke ike mpụga, nrụgide achọrọ iji mee ka interface n'etiti nrapado na ndị na-ekwenye ekwenye na akụkụ ahụ
Ike Shear
Ike nke Shear na-ezo aka na mpaghara nke jikọtara ọnụ na mpaghara nwere ike iguzogide mgbe akụkụ nke njikọ ahụ mebiri emebi, na n / mm2)
Udirighi ike
Ibu kachasi ike na nkwonkwo nwere ike ibute ya ma ọ bụrụ na a na-elekwasị anya na akụkụ abụọ, n'ihi na ọnụnọ nke akwa abụọ ma ọ bụ otu akụkụ dị n'otu n'otu n'otu n'otu n'otu, na ngalaba bụ Kin / m
Ike ọdụdọ
Ike Tenle, nke a makwaara dị ka uwe na-adọrọ adọrọ na ike tensile, na-ezo aka ike dị iche iche mgbe ike mebiri emebi, na n / mm2).
Bee ike
A na-ekewa akụkụ ya kacha nwee ike iguzogide mgbe a na-ekekọta akụkụ a na-ekewa ya n'okpuru ọnọdụ peeling, na-egosipụtakwa ya na kn
Oge post: Apr-25-2024