Hydroxyethyl acrylate a wɔde yɛ aduru a wɔfrɛ no hydroxyethyl acrylate
Nneɛma a Wɔyɛ no Ho Nsɛm
Hydroxyethyl Acrylate (HEA) yɛ monomer a ɛyɛ adwuma pii a ɛyɛ adwuma pii na ɛyɛ ɔdansi ade titiriw wɔ polymer nnuruyɛ mu. Ɛwɔ acrylic a ɛyɛ polymerizable double bond ne reactive hydroxyl kuw a ɛwɔ molecule koro no ara mu. Saa nhyehyɛe yi ma ɛyɛ mmerɛw sɛ ɛne monomers ahorow pii fa copolymerization mu bere a ɛde ne ho hyɛ crosslinking reactions nso mu. Ɛyɛ nsu a emu da hɔ, enni kɔla kosi kɔkɔɔ a ɛyɛ hare na wonim no sɛ ɛma nneɛma a etwa to a wɔde yɛ polymeric no adwumayɛ tu mpɔn kɛse, bere mpo a wɔde di dwuma kakraa bi no.
Nsɛm a Wɔakyerɛkyerɛ Mu Titiriw
| Agyapadeɛ | Nkyerɛkyerɛmu / Botae a Wɔtaa De Di Dwuma |
| Mmaeɛ | Nsu a emu da hɔ, enni kɔla kosi kɔkɔɔ a ɛyɛ hare |
| Ahotew (%) . | ≥ 97.0 na ɛwɔ hɔ |
| Nsuo a Ɛwɔ Mu (%) . | ≤ 0.5 na ɛyɛ |
| Nneɛma a esiw kwan (MEHQ) . | 200 ± 50 ppm (anaasɛ sɛnea wɔakyerɛ) . |
| Asikre a ɛwɔ mu (sɛ Acrylic Acid) (%) . | ≤ 0.05 na ɛyɛ |
| Kɔla (APHA) . | ≤ 30 na ɛyɛ |
| Nsuo a ɛyɛ den (20 °C) . | ~1.10 g/cm3 na ɛwɔ hɔ |
| Boiling Point a Ɛwɔ Hɔ | ~ 90 °C (wɔ 5 mmHg) . |
| Hydroxyl Botae (mg KOH/g) . | ~ 480 na ɛwɔ hɔ |
Nnwuma Titiriw a Wɔde Di Dwuma
HEA dwumadie mmienu no ma ɛho hia wɔ nnwuma ahodoɔ pii mu:
Nneɛma a Wɔde Kata So & Inks:
Thermosetting Coatings: Monomer titiriw a ɛwɔ kar, mfiridwuma, ne mfiri a wɔde kata so mu. Hydroxyl kuw no ne melamine-formaldehyde anaa polyisocyanate resins (wɔ PU coatings mu) di nkitaho, na ɛma ɛyɛ den yiye, ɛko tia nnuru, na ɛko tia nsɛe.
Radiation-Curable Systems: Wɔde di dwuma sɛ reactive diluent ne crosslinker wɔ UV/EB-curable coatings, inks, ne adhesives mu. Ɛyɛ ade titiriw a wɔde yɛ urethane acrylates.
Photoresists & Photoreactive Polymers: Wɔde di dwuma wɔ photoresist resins a wɔde tintim mprɛte ne ɛlɛtrɔnik mfiri (semiconductors, LCDs) yɛ mu.
Nnuru a Wɔde Ntama Ho & Nnuru a Wɔde Sie:
Ɛma ahoɔden a ɛbata nneɛma ahorow a wɔde bata nneɛma ho, a dade ne plastic ka ho no tu mpɔn.
Ɛma crosslink density yɛ kɛse, na ɛma ɔhyew a ɛko tia, nnuru a ɛko tia, ne ahoɔden a ɛka bom wɔ structure ne pressure-sensitive adhesives (PSAs) mu ba.
Ntama & Nhama a Wɔde Yɛ Ntama:
Wɔde di dwuma sɛ co-monomer wɔ fiber ayaresa nnuru ne ntama a wɔde kata so mu de ma nsu ntumi nkɔ, nwi ntumi nkɔ, na ɛtra hɔ kyɛ.
Krataa a Wɔde Di Dwuma:
Wɔde ahyɛ nnuru a wɔde kata so mu na ama ahoɔden a ɛyɛ nsu ne nea ɛyɛ nwunu, nsu a ɛko tia, ne nea wotumi tintim no atu mpɔn.
Nnwuma Titiriw a Wɔde Di Dwuma:
Srade Nnwuma: Ɛyɛ nnuru a wɔde yɛ ntamgyinafo a wɔde yɛ nnuru a wɔde hohoro nneɛma ne nneɛma a wɔde petepete nneɛma ho.
Ɛlektrɔnik mfiri: Wɔde di dwuma sɛ ade a ɛma nsu fi nipadua mu wɔ ɛlɛtrɔnik microscopy nhwɛsode ahosiesie mu.
Analytical Chemistry: Ɛyɛ adwuma sɛ nnuru a wɔde yɛ ade ne sɛ ade a ɛwɔ nneɛma a wɔde hyɛ nsu mu a ɛfrafra mu.
Nneɛma Titiriw & Mfaso Ahorow
Dual Functionality: Acrylate kuw no ma copolymerization tumi, bere a hydroxyl kuw no ma kwan ma crosslinking ne nnuru nsakrae.
Adwumayɛ a Ɛkɔ Anim: Ɛma ɛyɛ den yiye, nnuru a ɛko tia, na ɛbata polymers a etwa to no ho.
Ɛyɛ adwuma kɛse: Ɛne acrylates, methacrylates, styrene, vinyl acetate, acrylonitrile, ne nea ɛkeka ho yɛ biako ntɛm ara.
Versatility: Ɛfata ma polymerization akwan horow, a solution, emulsion, ne suspension polymerization ka ho.
Adwumayɛ mu Nkɔsoɔ: Ɛma nkɔsoɔ kɛseɛ ba wɔ nneɛma a wɔyɛ no mu mpo wɔ nneɛma a wɔde ka ho a ɛba fam (mpɛn pii no 2-10%).
Low Viscosity: Ɛyɛ adwuma sɛ reactive diluent a etu mpɔn wɔ radiation-curable nhyehyɛe ahorow mu, boa ma formulation viscosity so tew a wɔmfa volatile organic compounds (VOCs) nni dwuma.
Nneɛma a Wɔde Di Dwuma & Nneɛma a Wɔkora So
Ɔhyew a Wɔde Sie: Fa sie baabi a ɛhɔ yɛ nwini na mframa pa fa mu. Ɔhyew a wɔkamfo kyerɛ sɛ wɔmfa nsie no yɛ 2°C kosi 25°C (36°F ne 77°F). Kwati awɔw ne ɔhyew a ɛkɔ soro.
Inhibitor: Ɛwɔ MEHQ inhibitor a ɛbɛma polymerization a ɛba ara kwa no ano. Nea esiw ano no hwehwɛ sɛ oxygen wɔ hɔ na ama ayɛ adwuma; enti, nneɛma a wɔkora so wɔ wim tebea a ɛnyɛ adwuma ase (sɛ nhwɛso no, Nitrogen padding) ho hia na ama atumi agyina bere tenten.
Ade a Wɔde Gu Mu: Fa sie nkuku a wɔatoto mu denneennen a wɔde dade a ɛnyɛ den, dade a wɔde phenolic resin ayɛ, anaa polyethylene ayɛ mu. Bɔ ho ban fi hann ho.
Nkwa Ntraso: Mpɛn pii no, ɛyɛ asram 6 kosi 12 fi da a wɔyɛɛ no bere a wɔde asie wɔ tebea horow a wɔkamfo kyerɛ mu no.
Sɛnea wodi ho dwuma: Fa di dwuma bere a mframa pa ne mfiridwuma ho nhyehyɛe a ɛfata di dwuma. Kwati sɛ wode wo ho bɛka honam ani, aniwa, ne ntade. Hyɛ mfiri a ɛfata a wode bɔ wo ho ban (PPE), a nsateaa a nnuru ntumi nkɔ mu, ahobammɔ ahwehwɛ, ne ntade a ɛbɔ wo ho ban ka ho.