Chinyorwa chino chinonyanya kusarudza MMA, BA, AA sema monomers, uye chinotaura nezvezvinhu zvinoita kuti graft polymerization ivepo, zvakaita sekuwedzera, huwandu hwekuwedzera uye tembiricha ye reaction ye initiator uye monomer yega yega, uye chinoona mamiriro akanakisa ekugadzirisa graft polymerization. Rabha inotanga yachekwa, yozomutswa uye yanyungudutswa nemusanganiswa we solvent pa 70~80°C, uye BPO yekutanga inowedzerwa muma batches. Monomer yekutanga MMA yakanyungudutswa neBOP inowedzerwa pa 80~90°C kwemaminitsi makumi maviri, uye yozowedzerwa nemonomer yechipiri yeBPO, mushure memamwe maminitsi makumi maviri, wedzera monomer yechitatu pa 84~88 ℃ uye kurunga kwemaminitsi makumi mana nemashanu, chengetedzai muchidziya kwemaawa 1.5~2, mobva mawana CR/MMA-BA-AA three-way graft polymerization adhesive, Simba rePeel rakakura kupfuura CR/MMA-BA, kukosha kwayo i6.6 KN.m-1.
Mashoko akakosha: Namatira yeNeoprene, Gururira reshangu, Namatira yeNeoprene yakasanganiswa nezvinhu zvakawanda.
Cellulose etherMCuyeHPMCine mashandiro akanaka ekupararira, emulsification, thickening, adhesion, firimu, kuchengetedza mvura, uye ine mvura inonyunguduka zvakanaka, kushanda pamusoro, kugadzikana, uye kunyungudika mu organic solvents.
Zvigadzirwa zvikuru zvakagadzirwa parizvino imhando dzeRT series MC neHPMC, dzine mamakisi ari 50RT (Methylcellulose), 60RT (Hydroxypropylmethylcellulose), 65RT (Hydroxypropylmethylcellulose), 75RT (Hydroxypropylmethylcellulose), zvinoenderana nemakisi eDOW Chemical Company ndiMethocel A, E, F naK, zvichiteerana.
Zvigadzirwa zveRT series zvinobatsira zvikuru muzvinhu zvekuvaka nekuda kwekubatana kwazvo, kugadzikana kwesimbi uye kuchengetedza mvura. Semuenzaniso, zvinogona kugadzirwa kuita "zvinonamira pamadziro nepasi petaira zvemhando yepamusoro", zvinowanzozivikanwa sehupfu hwerabha, izvo zvakashandiswa muBeijing West Railway Station, mhedzisiro yacho yakanaka. Pamusoro pezvo, zvinogona kushandiswa se electrolyte ye gelled mu electrolytic capacitors uye bonded electrode grids mumidziyo yemagetsi, se atropine, aminopyrine uye anal crystals mumishonga, uye se thickener ye water emulsions mupendi. Mu latex pendi ne water-soluble pendi, inogona kushandiswa se film-forming agent, thickener, emulsifier uye stabilizer, nezvimwewo zvekunamatira wallpaper, water rewetting raber powder, nezvimwewo.
Mashoko akakosha: Methyl Cellulose, Hydroxy Propyl Cellulose, namatidza, kushandiswa.
Kugadzirwa kweguruu repurasitiki repurasitiki rinogadzirwa nemvura
Mumakore achangopfuura, nzira itsva yekunamira firimu repurasitiki pazvinhu zvakadhindwa yakagadzirwa. IBOPP (bhaaxially oriented polypropylene film) yakafukidzwa nenamira uye yozobatanidzwa pamwe chete nezvinhu zvakadhindwa mushure mekudzvanywa nerabha silinda neheating roller kuti igadzire bepa. / Plastic 3-in-1 print. Izvi zvinosanganisira dambudziko rekubatana kwepepa nepurasitiki. BOPP chinhu chisiri chepolar, saka, pane chikonzero chekuti pave nenamira ine kunamira kwakanaka kune zvinhu zvepolar nezvisiri zvepolar.
Kusanganisa SBS adhesive ne epoxy resin kunoenderana zvakanaka. SBS i elastomer viscose. Zvinogona kuonekwa kubva pa failure curve yayo kuti kuitira kuti simba rinoparadza re viscose riwedzere kunaka, rinofanira kudzorwa rakatenderedza SBS: epoxy resin = 2:1. Kubva pa peel strength curve, zvinogona kuonekwa kuti kana ratio yakakwira, simba re peel richava rakanaka, asi adhesion ichawedzerawo. Kuti udzivise adhesion, SBS: epoxy resin = 1:1~2.5:1 inogona kudzorwa kuti uwane simba re peel rinokwira zvishoma nezvishoma. Uchifunga zvakakwana, sarudza SBS mu main glue: epoxy resin = 1:1~3.5:1.
Basa guru rekushandisa tackifying resin nderekuwedzera simba rekubatanidza rematrix uye kuvandudza kunyorova kweglue nepamusoro pebonding. Tackifying resin inoshandiswa muchidzidzo ichi irosin tackifier inoumbwa nerosin yakajairika nerosin dimerized muzvikamu zvakasiyana. Kuburikidza nemiedzo yakawanda, zvakagumiswa kuti chikamu che dimerized rosin mu tackifier i22.5%, uye simba rekubvisa guruu rakagadzirwa zvichienderana nechiyero ichi i1.59N/25mm (pepa-purasitiki).
Huwandu hwechinonamira hune simba rakati pahunhu hwechinonamira. Mhedzisiro yakanakisisa ndeye kana chiyero cheguruu guru nechinonamira chiri 1:1. Simba rekubvisa ganda N/mm purasitiki-purasitiki 1.4, pepa-purasitiki 1.6.
Muchidzidzo ichi, MMA yakashandiswa semusanganiswa wekubatanidza SBS neMMA. Kuedza kwakawana kuti kushandiswa kweMMA hakungogone kuzadzisa chinangwa chekukanya zvikamu zviri mucolloid chete, asiwo kuderedza viscosity uye kuvandudza simba rekunamira. Saka, MMA musanganiswa wakagadziridzwa wakakodzera. Mushure mekuedza, huwandu hweMMA hunoshandiswa hunoreva huwandu hwese hweglue 5% ~ 10% hwakakodzera.
Sezvo viscose yakagadzirwa ichifanira kunyungudika mumvura, tinosarudza latex chena (polyvinyl acetate emulsion) semutakuri wemvura unonyungudika. Huwandu hwe latex chena hunoita 60% ye viscose yese. Mushure mekunge viscose yemvura yasanganiswa kuita mvura-emulsion state kuburikidza nekupararira uye emulsification yemutakuri we emulsified, kana kugadzikana kwayo kwakasanganiswa kusina kukodzera kushandiswa, inogona kusanganiswa nemvura. Nzira iyi yekunyungudika haina mari yakawanda uye haina chepfu (hapana chikonzero chekushandisa organic solvents), uye huwandu hwakanakisa hwemvura yekunyungudika i10% ~ 20%.
Kuti kubviswe zvakasara zveviscose, zvakaedzwa kuti mushonga weNa2CO3 wakaderera unoshandiswa semushonga wealkalizing, uye mugumisiro wacho ndiwo wakanakisisa. Dzidziso yemugumisiro wemushonga wealkalizing ingave yekuti saponification reaction inounza mamwe ma polar ions akasimba, akadai se sodium ions, zvekuti rosin acid yekutanga isinganyunguduke inoshandurwa kuita Soluble sodium salt. Pamusoro pezvo, kana hwaro hwakasimba hwakawandisa hukawedzerwa kuglue, simba rekunamatira rinorasika, zvekuti glue rinokundikana, saka glue harina kukodzera nzvimbo yealkaline.
Kufamba kwakakodzera kwemaitiro.
Nguva yekutumira: Kubvumbi-25-2024