He aha nā ʻano fiber i hoʻohana maʻamau ʻia i ka mortar polymer?

ʻO ka hoʻohui ʻana i nā fiber i ka mortar polymer e hoʻomaikaʻi i ka hana piha o ka mortar ua lilo i ala maʻamau a hiki ke hana. ʻO nā fiber i hoʻohana mau ʻia e like me kēia

Alkali-kūpaʻa fiberglass?

Hana ʻia ka fiber aniani ma ka hoʻoheheʻe ʻana i ka silicon dioxide, nā oxides i loaʻa i ka aluminika, calcium, boron a me nā mea ʻē aʻe, a me kahi mea liʻiliʻi o nā mea hana e like me ka sodium oxide a me ka potassium oxide i loko o nā pōpō aniani, a laila hoʻoheheʻe a huki i nā pōpō aniani i loko o kahi kīʻaha. Ua kapa ʻia kēlā me kēia milo i unuhi ʻia mai loko mai o ke kīʻaha he monofilament, a ʻo nā monofilament a pau i unuhi ʻia mai loko mai o ke kīʻaha ua hui ʻia i loko o kahi wili maka (tow) ma hope o ka hele ʻana i loko o ka pahu wai. Ma hope o ka ʻoki ʻia ʻana o ke kaʻa, hiki ke hoʻohana ʻia i ka mortar polymer.

ʻO nā hiʻohiʻona hana o ka fiber aniani he ikaika kiʻekiʻe, modulus haʻahaʻa, elongation kiʻekiʻe, coefficient hoʻonui laina haʻahaʻa, a me ka conductivity thermal haʻahaʻa. ʻOi aku ka ikaika o ke aniani aniani ma mua o ka ikaika o nā mea kila like ʻole (1010-1815 MPa).

Velen fiber?

ʻO ka mea nui o ka vinylon he polyvinyl alcohol, akā ʻaʻole paʻa ka waiʻona vinyl. ʻO ka mea maʻamau, hoʻohana ʻia ka vinyl alcohol acetate (vinyl acetate) me ka hana paʻa ma ke ʻano he monomer e polymerize, a laila hoʻokaʻawale ʻia ka polyvinyl acetate e loaʻa ai ka waiʻona polyvinyl. Ma hope o ka mālama ʻia ʻana o ka siliki me ka formaldehyde, hiki ke loaʻa ka vinylon pale wai wela. ʻOi aku ka kiʻekiʻe o ka wela hoʻoheheʻe ʻana (225-230C) o ka waiʻona polyvinyl ma mua o ka wela decomposition (200-220C), no laila ua wili ʻia e ka wili ʻana.

He hygroscopicity ikaika ka Vinylon a ʻo ia ka ʻano hygroscopic ʻoi loa ma waena o nā fiber synthetic, kahi kokoke i ka pulupulu (8%). ʻOi aku ka ikaika o Vinylon ma mua o ka pulupulu a ʻoi aku ka ikaika ma mua o ka hulu hipa. ʻO ke kūpaʻa ʻino a me ke kūpaʻa māmā: ʻaʻole hiki ke hoʻoheheʻe ʻia i loko o nā ʻakika organik maʻamau, nā ʻawaʻawa, nā esters a me nā mea hoʻoheheʻe kukui ʻaila, ʻaʻole maʻalahi e hoʻoheheʻe ʻia, a ʻaʻole nui ka nalowale o ka ikaika ke ʻike ʻia i ka lā. ʻO ka hemahema, ʻaʻole maikaʻi ke kūpaʻa wai wela a ʻilihune ka elasticity.

puluniu acrylic?

E pili ana ia i ka fiber synthetic i hana ʻia e ka wili pulu a i ʻole ka wili maloʻo me ka ʻoi aku ma mua o 85% o ka copolymer o acrylonitrile a me ka lua a me ke kolu o nā monomers.

ʻO ka fiber Acrylic ka maikaʻi o ka pale māmā a me ka pale ʻana i ka wā, ʻo ia ka mea maikaʻi loa ma waena o nā fiber textile maʻamau. Ke hōʻike ʻia ka fiber acrylic i ka lā no hoʻokahi makahiki, e emi wale ana kona ikaika ma 20%. ʻO ka fiber Acrylic ka paʻa kemika maikaʻi, ka pale ʻana i ka waika, ke kūpaʻa alkali nāwaliwali, ke kūpaʻa oxidation a me ke kūpaʻa ʻana o ka solvent. Eia nō naʻe, e melemele nā ​​lau acrylic i ka lye, a e haki nā macromolecules. ʻO ka hana quasi-crystalline o ka fiber acrylic e hana i ka fiber thermoelastic. Eia kekahi, he maikaʻi ke kūpaʻa wela, ʻaʻohe maʻi, a ʻaʻole makaʻu i nā insects, akā, ʻaʻohe maikaʻi o ka ʻaʻahu a me ke kūpaʻa ʻole.

Nā pulupulu polipropylene?

He fiber polyolefin i hana ʻia mai ka stereoregular isotactic polypropylene polymer ma ka hehee ʻana. ʻO ka liʻiliʻi loa ka liʻiliʻi ma waena o nā fiber synthetic, ua like ka ikaika maloʻo a me ka pulu, a ʻoi aku ka maikaʻi o ka pale ʻana i ka corrosion. Akā ʻilihune ka lā ʻelemakule. Ke hoʻokomo ʻia ka fiber polypropylene mesh i loko o ka mortar, i ka wā o ka hui ʻana o ka mortar, ua hoʻopau ʻia ka pilina transverse ma waena o nā monofilaments fiber e ka ʻōpala a me ka friction o ka mortar ponoʻī, a ua wehe piha ʻia ka fiber monofilament a i ʻole ka ʻōnaehana pūnaewele, no laila. e ʻike i ka nui ʻO ka hopena o nā fibers polypropylene he nui i hui pū ʻia i loko o ke kaʻa.

naylon fiber?

ʻO ka polyamide, ka mea maʻamau i kapa ʻia ʻo nylon, he huaʻōlelo maʻamau no nā resins thermoplastic i loaʻa nā pūʻulu amide hou-[NHCO]—ma ke kaulahao molekala nui.

Nailon i kiʻekiʻe mechanical ikaika, kiʻekiʻe softening wahi, wela kū'ē, haʻahaʻa friction coefficient, aahu kū'ē, pono-lubrication, haʻalulu absorption a me ka leo ho'ēmi, aila kū'ē, nawaliwali kaʻakika kū'ē, alkali kū'ē a me ka laulā'ūheheʻe, maikaʻi uila insulation, he Self- ke kinai ʻana, ka ʻawaʻawa ʻole, ka ʻala ʻole, ke kūpaʻa maikaʻi ʻana i ka wā, ka waihoʻoluʻu maikaʻi ʻole. ʻO ka hemahema ʻo ia ka loaʻa ʻana o ka wai kiʻekiʻe, e pili ana i ke kūpaʻa dimensional a me nā waiwai uila. Hiki i ka hoʻoikaika ʻana o ka fiber ke hoʻemi i ka komo ʻana o ka wai o ka resin, i hiki ke hana ma lalo o ka wela kiʻekiʻe a me ka haʻahaʻa kiʻekiʻe. He pilina maikaʻi loa ka Nylon me nā fiber aniani.

poliethylene fiber?

ʻO nā pulu polyolefin i wili ʻia mai ka linear polyethylene (high-density polyethylene) me ka milo hoʻoheheʻe. ʻO nā hiʻohiʻona o ka mīkini:

(1) ʻO ka ikaika o ka fiber a me ka elongation kokoke i ka polypropylene;

(2) Ua like ka nui o ka hoʻomoe ʻana me ka polypropylene, a ʻo ka nui o ka loaʻa hou ʻana o ka wai ʻaʻole ia ma lalo o nā kūlana lewa maʻamau;

(3) Loaʻa iā ia nā waiwai paʻa paʻa, kūpaʻa kemika maikaʻi a me ka pale ʻana i ka corrosion;

(4) He ʻilihune ka pale wela, akā ʻoi aku ka maikaʻi o ka wela a me ka haʻahaʻa, ʻo 110-120 ° C kona helu hoʻoheheʻe, ʻoi aku ka haʻahaʻa ma mua o nā fibers ʻē aʻe, a ʻilihune loa ke kūʻē ʻana i nā lua hoʻoheheʻe;

(5) Loaʻa iā ia ka hoʻokaʻawale uila maikaʻi. ʻAʻole maikaʻi ka pale māmā, a maʻalahi ka makahiki ma lalo o ka irradiation o ka mālamalama.

ʻO ka fiber Aramid?

ʻO ke kaulahao nui o ka macromolecule polymer i haku ʻia me nā apo ʻala a me nā mea paʻa amide, a ma ka liʻiliʻi o 85% o nā hui amide i hoʻopaʻa pololei ʻia i nā apo ʻala; ua hoʻopaʻa pololei ʻia nā ʻātoma nitrogen a me nā pūʻulu kalapona i loko o nā hui amide o kēlā me kēia ʻāpana hana hou i nā apo ʻala ʻO ka polymer kahi i hoʻopili ʻia ai nā ʻātoma kalapona a pani i kekahi o nā ʻātoma hydrogen i kapa ʻia ʻo aramid resin, a ua kapa ʻia nā fibers i wili ʻia mai ia mea. nā lāʻau aramid.

Loaʻa i ka fiber Aramid nā waiwai mechanical a me ka ikaika e like me ka ikaika tensile kiʻekiʻe, ka modulus tensile kiʻekiʻe, ka haʻahaʻa haʻahaʻa, ka maikaʻi o ka ikehu absorption a me ka haʻalulu haʻalulu, ke kūpaʻa ʻana, ke kūpaʻa hopena, ke kūpaʻa luhi, a me ke kūpaʻa dimensional. ʻO kaʻinoʻino kemika, ke kūpaʻa wela kiʻekiʻe, ka hoʻonui haʻahaʻa, ka haʻahaʻa haʻahaʻa haʻahaʻa, non-combustible, hoʻoheheʻe ʻole a me nā mea wela ʻē aʻe a me nā waiwai dielectric maikaʻi loa.

pulu laau?

ʻO ka pulupulu lāʻau e pili ana i ka ʻiʻo mechanical i haku ʻia me ka lignified thickened cell wall a me ka fiber cell me nā lua māwae maikaʻi, a ʻo ia kekahi o nā mea nui o ka xylem.

ʻO ka pulupulu lāʻau he fiber maoli ia e hoʻoheheʻe i ka wai a hiki ʻole ke hoʻoheheʻe ʻia i ka wai. Loaʻa iā ia ka maʻalahi a me ka dispersibility.