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petroleum resin ke eng? Lihlopha tse kholo ke life?

2022-10-26

Petroleum resin ke mofuta oa epoxy resin e nang le boima bo tlase ba molek'hule. Boima ba molek'hule ka kakaretso bo ka tlase ho 2000. E na le ductility ea mocheso 'me e ka qhibiliha lihlapolli, haholo-holo li-solvents tse entsoeng ka oli e tala. E na le tumellano e ntle le lisebelisoa tse ling tsa resin. E na le khanyetso ea boleng bo holimo ea abrasion le botsofali. Mekhahlelo ea eona ea bohlokoa ea ts'ebetso e kenyelletsa ntlha e nolofatsang, hue, unsaturation, boleng ba acid, boleng ba saponification, letsoalo le amanang, joalo-joalo.

petroleum resin

Sebaka sa ho nolofatsa ke tšobotsi e ka sehloohong ea resin ea petroleum, e bolelang hore matla a eona, brittleness, le viscosity ea eona e fapana ho ea ka kopo, 'me ntlha e hlokahalang ea ho nolofatsa le eona e fapane. Tlas'a maemo a tloaelehileng, sebaka sa ho nolofatsa tlhahiso ea indasteri ea rabara e nang le vulcanized ke 70 ° C ho 1000 ° C, 'me ntlha ea ho nolofatsa tlhahiso ea indasteri ea liphahlo le lipente ke 100 ° C ho 1200 ° C.

Ho phaella moo, boemo ba ho fetoha ha tonal bo bakoang ke leseli la ultraviolet le liphello tsa mocheso le tsona ke parameter ea bohlokoa haholo ea ts'ebetso. Boleng ba asiti bo ka sebelisoa eseng feela ho bona bokhoni ba polokelo ea li-catalyst tsa tšepe ea acid-base empa hape le ho lemoha likarolo tsa carbonyl le carboxyl tsa polokelo ea resin ea petroleum ka lebaka la oxidation ea eona.

Sebopeho sa petroleum resin se rarahane haholo. Ka papatso le ts'ebeliso ea ts'ebeliso ea eona ea mantlha, ho na le mefuta e mengata, e ka aroloang ka mekhahlelo e mehlano:

â  Mafura a 'mele oa motho, cycloaliphatic epoxy resin, hangata e lokisitsoeng ho tloha karolong ea C5, e tsejoang hape e le C5 epoxy resin;

â¡ p-xylene epoxy resin, eo hangata e entsoeng ka karoloana ea C9, e tsejoang hape e le C9 epoxy resin;

⢠p-xylene-aliphatic hydrocarbon copolymer epoxy resin, e tsejoang hape e le C5/C9 epoxy resin;

â£Dicyclopentadiene epoxy resin, e entsoeng ka dicyclopentadiene kapa metsoako ea eona, e boetse e bitsoa DCPD epoxy resin. Hobane resin ena ea epoxy e na le lihlopha tsa aliphatic hydrocarbon tse unsaturated, e boetse e bitsoa resin e bonahatsang Oxygen resin.

⤠Hydrocracking petroleum resin, ka kakaretso C5 kapa C9 epoxy resin e sootho bokhubelu ho isa ho bosehla bo kganyang, mme e ka ba bosweu ba lebese kapa ho phonyoha ka mora metsi.

Petroleum resin e sebelisoa haholo meahong ea meaho, likhomaretsi, khatiso ea enke, li-preservatives le lisebelisoa tse fetotsoeng tsa rabara. Ka mokhoa o tsoelang pele oa nts'etsopele ea theknoloji ea resin, ts'ebeliso ea eona ea mantlha le eona e ntse e tsoela pele. C5 epoxy resin ke sehlopha se nang le ts'ebetso ea nts'etsopele e potlakileng mothating ona, 'me e sebelisoa haholo meahong ea meralo, li-inks tsa khatiso, ho tiisa, ho kopanya le liindasteri tse ling. C9 epoxy resin e sebelisoa haholo ho pente, rabara e hlabositsoeng, polasetiki le liindasteri tse ling, 'me litebello tsa eona tsa nts'etsopele le moralo oa mmaraka li pharalletseng haholo.

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