Kedu ụdị eriri ndị a na-ejikarị na ụrọ polymer?

Ịtinye eriri na ụrọ polymer iji kwalite arụmọrụ ngwa agha zuru oke aghọwo usoro a na-ahụkarị na nke nwere ike ime.Fibre ndị a na-ejikarị eme ihe bụ ndị a

fiberglass na-eguzogide alkalin?

A na-eme eriri iko site na ịgbaze silicon dioxide, oxides nwere aluminom, calcium, boron na ihe ndị ọzọ, yana obere ihe enyemaka nhazi dị ka sodium oxide na potassium oxide n'ime bọọlụ iko, wee gbazee ma na-adọta bọọlụ iko ahụ na crucible.A na-akpọ eriri ọ bụla e si na crucible pụta monofilament, na monofilaments niile a na-adọta site na crucible na-agbakọta n'ime yarn raw (tow) mgbe ha gafesịrị na tankị mmiri.Mgbe e gbuchara ihe ndọba ahụ, enwere ike iji ya na ụrọ polymer.

Njirimara arụmọrụ nke eriri iko bụ ike dị elu, modul dị ala, elongation dị elu, ọnụọgụ mgbasawanye nke obere linear, yana obere ikuku ọkụ.Ike ike nke eriri iko karịrị ike nke ihe igwe dị iche iche (1010-1815 MPa).

Velen eriri?

Akụkụ bụ isi nke vinyl bụ mmanya polyvinyl, mana mmanya vinyl anaghị akwụsi ike.N'ozuzu, vinyl alcohol acetate (vinyl acetate) na arụmọrụ kwụsiri ike na-eji dị ka monomer na-eme ka polymerize, mgbe ahụ, polyvinyl acetate na-esi na ya pụta bụ mmanya na-egbu egbu iji nweta mmanya polyvinyl.Mgbe ejichara silk ahụ na formaldehyde, enwere ike nweta vinylon na-eguzogide mmiri ọkụ.Okpomọkụ na-agbaze (225-230C) nke mmanya polyvinyl dị elu karịa ogo ire ere (200-220C), ya mere a na-atụgharị ya site na ntụgharị ngwọta.

Vinylon nwere hygroscopicity siri ike ma bụrụ ụdị hygroscopic kachasị n'etiti eriri sịntetị, nke dị nso na owu (8%).Vinylon dị ntakịrị ike karịa owu ma sie ike karịa ajị anụ.Nguzogide corrosion na nguzogide ọkụ: insoluble n'ozuzu organic acids, alcohols, esters na petroleum oriọna solvents, adịghị mfe ịkpụzi, na ike ọnwụ adịghị nnukwu mgbe ekpughere ìhè anyanwụ.Ihe na-adịghị mma bụ na mmiri ọkụ na-eguzogide adịghị mma na ngbanwe adịghị mma.

Acrylic eriri?

Ọ na-ezo aka na eriri sịntetik mere site na mmiri na-agbagharị mmiri ma ọ bụ ọkpọ nkụ nwere ihe karịrị 85% nke copolymer nke acrylonitrile na monomers nke abụọ na nke atọ.

Fiber acrylic nwere ezigbo nguzogide ọkụ na ihu igwe, nke kachasị mma n'etiti eriri akwa.Mgbe eriri acrylic na-ekpuchi anyanwụ maka otu afọ, ike ya ga-ebelata naanị 20%.Acrylic fiber nwere ezigbo nkwụsi ike kemịkalụ, nguzogide acid, nguzogide alkali na-adịghị ike, nguzogide oxidation na nguzogide ihe mgbaze organic.Otú ọ dị, eriri acrylic ga-atụgharị edo edo na lye, macromolecules ga-agbaji.Ọdịdị quasi-crystalline nke eriri acrylic na-eme ka eriri thermoelastic.Tụkwasị na nke ahụ, eriri acrylic nwere ezigbo nguzogide okpomọkụ, ọ dịghị mildew, ọ dịghịkwa atụ egwu ụmụ ahụhụ, mana ọ na-adịghị mma na-eguzogide ọgwụ na nkwụsi ike nke akụkụ adịghị mma.

Polypropylene eriri?

Ihe eriri polyolefin mere site na stereoregular isotactic polypropylene polymer site na agbaze agbaze.Njupụta nke ikwu bụ nke kacha nta n'etiti eriri sịntetik, ike akọrọ na mmiri hà nhata, na nguzogide corrosion nke kemịkal dị mma.Ma anyanwụ ịka nká adịghị mma.Mgbe a na-etinye eriri polypropylene mesh n'ime ngwa agha ahụ, n'oge usoro ngwakọta nke ngwa agha ahụ, njikọ transverse n'etiti eriri monofilaments na-ebibi site na ikpochapu na esemokwu nke ngwa agha n'onwe ya, na eriri monofilament ma ọ bụ netwọk netwọk meghere nke ọma, ya mere. dị ka ịghọta nke ukwu Mmetụta nke ọtụtụ polypropylene emep uta eri evenly gwakọtara n'ime ihe.

eriri nylon?

Polyamide, nke a na-akpọkarị naịlọn, bụ okwu izugbe maka resin thermoplastic nwere otu amide ugboro ugboro-[NHCO] - na agbụ molekul.

Naịlọn nwere ike igwe dị elu, ebe dị nro dị elu, nguzogide okpomọkụ, ọnụọgụ esemokwu dị ala, na-eyi nguzogide, mmanye onwe onye, ​​mbelata ujo na mbelata mkpọtụ, nguzogide mmanụ, nguzogide acid na-adịghị ike, nguzogide alkali na ihe mgbaze izugbe, mkpuchi ọkụ eletrik dị mma, nwere onwe - na-ekpochapụ, na-adịghị egbu egbu, enweghị isi, ezigbo ihu igwe na-eguzogide, adịghị mma agba.Ihe ọghọm bụ na ọ nwere oke mmiri na-amịpụta mmiri, nke na-emetụta nkwụsi ike nke akụkụ na ihe eletrik.Nkwanye eriri nwere ike ibelata mmịnye mmiri nke resin, ka o wee rụọ ọrụ n'okpuru oke okpomọkụ na oke iru mmiri.Naịlọn nwere ezigbo mmekọrịta na eriri iko.

Polyethylene eriri?

A na-agbanye eriri polyolefin site na polyethylene linear (polyethylene dị njupụta dị elu) site na agbaze agbaze.Njirimara ngwaọrụ bụ:

(1) Fiber ike na elongation dị nso na nke polypropylene;

(2) Ike absorption nke mmiri dị ka nke polypropylene, na mmiri na-enwetaghachi ọnụego efu bụ efu n'okpuru ọnọdụ ikuku nkịtị;

(3) Ọ nwere mmetụta kemịkalụ kwụsiri ike, ezigbo nguzogide kemịkalụ na nguzogide corrosion;

(4) Nguzogide okpomọkụ adịghị mma, ma okpomọkụ na iru mmiri na-eguzogide dị mma, ebe mgbaze ya bụ 110-120 Celsius C, nke dị ala karịa eriri ndị ọzọ, na nkwụsị nke oghere na-agbaze adịghị mma;

(5) Ọ nwere ezigbo mkpuchi ọkụ.Nguzogide ọkụ adịghị mma, ọ dịkwa mfe ịka nká n'okpuru irradiation nke ìhè.

Aramid fiber?

Isi yinye nke macromolecule polymer mejupụtara mgbanaka aromatic na njikọ amide, ma ọ dịkarịa ala 85% nke otu amide na-ejikọta ya na mgbanaka aromatic;atom nitrogen na carbonyl dị na amide otu nke ọ bụla na-emegharị unit na-ejikọta ya na mgbanaka aromatic polymer nke ejikọrọ carbon carbon ma dochie otu n'ime atom hydrogen nke a na-akpọ aramid resin, na eriri ndị na-esi na ya na-akpọkọta ọnụ. eriri aramid.

Akara Aramid nwere ihe eji arụ ọrụ dị mma yana ihe dị ike dị ka ike dị elu, modul dị elu, njupụta dị ala, nnabata ike dị mma na nnabata ujo, nguzogide iyi, nguzogide mmetụta, ike ọgwụgwụ, na nkwụsi ike akụkụ.Chemical corrosion, elu okpomọkụ na-eguzogide, obere mgbasa, obere thermal conductivity, na-abụghị combustible, na-abụghị agbaze na ndị ọzọ pụtara ìhè thermal Njirimara na magburu onwe dielectric Njirimara.

eriri osisi?

Fibre osisi na-ezo aka n'anụ ahụ nke mejupụtara mgbidi cell gbadoro agbagọ na sel eriri nwere ọmarịcha mgbape dị ka olulu, ọ bụkwa otu n'ime ihe ndị bụ isi nke xylem.

Fibre osisi bụ eriri ebumpụta ụwa nke na-amịkọrọ mmiri ma bụrụ nke a na-esighi ike na mmiri.Ọ nwere ezigbo mgbanwe na dispersibility.