Gyaren na roba a gida.

Robobi ne yanzu ya fi na kowa a cikin rayuwarmu ta kullum. Roba kerarre daban-daban abubuwa na motocin, gine-gine, kayan, da kuma furniture, jita-jita da yawa more. Sau da yawa roba handyman a gida da ake amfani da matsayin albarkatun kasa don a samar da iri-iri amfani abubuwa.

All robobi suna amfani da su samar da iyali kayayyakin, zuwa kashi biyu kungiyoyin: thermoplastic da thermosetting.

Thermosets halin da matsakaicin taurin da kuma m plasticity cewa damar da su zuwa ba narke ko laushi lokacin tsanani da.

Lokacin da ya kona wa wani zazzabi thermoplastics, suka narke, amma idan zafin jiki saukad sake zama m. Wannan dukiyar sa thermoplastics allura gyare-gyaren a gida da kuma yin cikakken bayani.

Mene ne abun da ke ciki na robobi? Yadda roba aka yi a gida?

Na gida roba za a iya tsara a cikin wadannan iri. Dole ne ya zama sosai gauraye lafiya sawdust da magnesite a cikin rabo 2: 1, zuba cikin cakuda da bayani na 0.1% magnesium chloride da ke motsa don haka kamar yadda su sami wani pasty jihar. Domin samun cikakken bayani game da irin wannan robobi suna amfani da asali hanya - allura gyare-gyaren a gida a cikin siffar. A lokacin solidification, da roba zai zama quite high ƙarfi da kyau yarda to magani, watau, shi ne, ba wuya rawar soja, saw, rike da abrasive kayan aiki ko da wani fayil.

Yana yiwuwa a samar da roba in ba haka ba. Wajibi ne a Mix lafiya itace ƙura tare da talc ƙasa a cikin rabo 5: 2 da kuma zuba shirye gabãnin joiner ta manne. The m ya kamata a yi daidaito na lokacin farin ciki cream. A sakamakon cakuda da aka dama dole don samun pasty jihar. M don gabatar da wata cakuda 2.1 kashi da taro ko potash alum, samar da kariya a kan mold da na halitta bushewa man fetur, samar da karin ductility. idan so, da roba za a iya canza launin. Don wannan dole ne a kara wa abun da ke ciki na robobi aniline rina so launi. Domin qarin bayani game da hanyar da masana'antu - Fitar roba a cikin gida a cikin siffar. Don ƙara ƙarfin robobi a cakuda a lokacin sarrafa maimakon manne zuba thickened nitro ko nitrocellulose lacquer. Details an ma yi da simintin.

Good halaye ne roba, wanda aka shirya daga wadannan aka gyara: takarda bushe nauyi / bushe masassaƙi manne / lafiya nika alli / glycerol / ethanol / bushe ocher, aka haxa bisa ga sassa da nauyin 5/28/60 / 2.5 / 3, 5/1.

An karfi murƙushe bushe nauyi na takarda da zuba cikin diluted joiner ta manne. A lokacin da dilution ya kamata a hankali gudanar glycerol, alli, ocher da barasa, har yanzu hadawa shi. Sassa na wannan cakuda ake amfani da gyare-gyaren robobi a cikin gida. A samfurin ne masu launin, idan kara zuwa cakuda aniline.

Phenol-formaldehyde robobi ne ma ba wuya a dafa a gida. Dole ne mu dauki crystalline (phenol) hydroxybenzene ko analogs da ruwa-ruwa bayani na 40% formalin. Dabzar carbolic acid ne Mafi m don maye gurbin phenol. Wajibi ne a Mix da crystalline phenol (20g) tare da formalin (30 g), ƙara mayar da hankali hydrochloric acid (30 saukad). Maimakon haka, phenol iya amfani carbolic acid (40ml). A cakuda kamata spontaneously zafi sama da kuma tafasa, kuma za su zama da daidaito idon yayi kamar gilashi da kuma danko sosai. A sakamakon taro don zuba a cikin mold domin minti 30 bayan da cakuda yana a cikin hanyar nutsa cikin zurfin ruwan zãfi for 10-15 minti. Sa'an nan za ka iya cire samfurin daga mold. Kamar wancan samu guduro - shi ne mai thermosetting roba tare da m launi, mai taurin da kuma ƙarfi. Daga shi ne mai yiwuwa a samar da sassa cewa an nufi da za a hõre gagarumin lodi.