Kuongorora Kuvandudzwa kweMvura-Yakavakirwa Inks uye Kudzidza kweEco-Hushamwari Mvura-Yakavakirwa Polyurethane Inks.

Kusvibiswa kwemhepo kwagara kuri kunetseka kukuru, nekuburitswa kwegasi rine muchetura senge maVOC ari kubatsira zvakanyanya padivi pezvinoitika zvechisikigo semadutu eguruva. Sezvo ruzivo rwekuchengetedzwa kwezvakatipoteredza ruchikura uye mitemo yakasiyana-siyana yenyika ichiitwa, indasitiri yekudhinda, iyo huru VOC emitter, yakatarisana neshanduko isingadzivisiki. Nekuda kweizvozvo, eco-hushamwari kudhinda ingi dzave nzvimbo yekutarisa mukutsvagisa kweindasitiri yekudhinda. Pakati peanowanikwa eco-friendly inks, kusanganisira mvura-based inki, magetsi-anopora ingi, uye yemiriwo-based inks-based inks, mvura-based inks ndiyo inonyanya kushandiswa. Ingi-dzinobva mumvura ine chikamu chakaderera chezvinonyungudutsa zveorganic, kuderedza kuburitswa kweVOC uye kuenderana nemitemo yekudzivirira kwezvakatipoteredza. Zvisineyi, ingi dzinobva mumvura dzinewo zvimhingamupinyi zvakaita sekunonoka kuomeswa uye nguva dzekurapa uye kusanaya kwemvura uye kushomeka kwealkali, kumisa kushandiswa kwavo mumaingi echinyakare emaindasitiri. Nekudaro, kuvandudza kushaya simba uku kuburikidza nekugadzirisa resin kwave kutarisisa kwakakosha. Iri bepa rinoratidza kuvandudzwa uye kushandiswa kweinki dzinobva mumvura, kudzidza kwekugadzirisa resin, kufambira mberi kwekutsvakurudza pakudhinda ingi uchishandisa mvura-based polyurethanes, uye tarisiro yeramangwana munyaya iyi.

• Kuedza

1. Kuvandudzwa kweMaingi Anobva Mvura

Ingi dzine nhoroondo refu, dzichibuda pamwe chete nekugadzirwa kwekudhinda. Mushure mekutanga kweLithol Red Pigment muna 1900, ingi dzakapararira, zvichiita kuti nyika dziite mari mukutsvagisa inki. Ingi dzinobva mumvura dzakabva pakuda kwepamusoro pekushandisa inki. Tsvagiridzo pamusoro peingi dzemvura dzakatanga kunze kwenyika kuma1960s, zvakanyanya kumhanyisa mitengo yekudhinda uye kuderedza kuvimba nepetroleum-based raw materials. Ingi idzi dzaishandisa organic compounds sebenzenes neshellac kana sodium lignosulfonate semidziyo mikuru yekuzadzisa zvinodiwa pakudhinda panguva iyoyo. Mumakore ekuma1970, vatsvakurudzi vakagadzira polymer emulsion resin ine core-shell uye network chimiro ne polymerizing acrylic monomers ne styrene, kuchengetedza ingi 'gloss uye kusamira kwemvura uku ichisangana nezvinodiwa zvezvakatipoteredza. Zvisinei, sezvo kuziva kwezvakatipoteredza kwakawedzera uye mitemo yakasimba yezvakatipoteredza yakadzikwa, chikamu chebenzene-based organics mumainki chakaderera. Pakazosvika makore ekuma1980, nyika dzekuMadokero kweEurope dzakaunza pfungwa uye matekinoroji e "green inki printing" uye "inyowani mvura-based inki kudhinda."

Indasitiri yeinki yekuChina yakatanga mukupera kweQing Dynasty nekugadzirwa kwemari, ichivimba zvakanyanya neinki dzinotengeswa kunze kwenyika kusvika 1975, apo Tianjin Ink Factory neGangu Ink Factory yakagadzira uye yakagadzira yekutanga mvura-based gravure inki. Pakazosvika makore ekuma1990, China yakanga yaunza kunze kwemitsara yekugadzira flexo flexo, ichikurumidza kufambisa kushandiswa kweinki dzinobva mumvura. Muna 2003, China Industrial Technology Research Institute yakabudirira kugadzira zvigadzirwa zvine hukama, uye mukutanga kwa2004, Shanghai Meide Company yakagadzira yakazara-yakavakirwa mvura, yakaderera-tembiricha thermosetting ingi inosangana nezviyero zveJapan neGerman. Kunyange zvazvo tsvakurudzo yeChina pamusoro pemvura-based inki yakaona kukurumidza kukurumidza mukutanga kwezana remakore rechi21, nyika dzekuMadokero dzakanga dzatowana kufambira mberi kwakakosha: inenge 95% yezvigadzirwa zveflexo uye 80% yezvigadzirwa zvegravure muUnited States zvakashandisa ingi dzemvura, nepo UK. uye Japan yakagamuchira ingi-dzinobva mumvura yekudya uye kurongedza kwemishonga. Kana tichienzanisa, budiriro yeChina yakanga yanonoka.

Kuenderera mberi nekusimudzira musika, China yakaunza yekutanga-based inki standard muna Chivabvu 2007 uye muna 2011 yakakurudzira "green innovation development," ichivavarira kutsiva mainki anonyungudika neingi dzemvura. Muna 2016 "13th Five-Year Plan" yeindastiri yekudhinda, "tsvakurudzo pamusoro pemvura-based environment materials" uye "green printing" ndizvo zvakakosha. Pakazosvika 2020, kusimudzirwa kwenyika kwegirinhi uye kudhindwa kwedhijitari kwakawedzera musika weinki wemvura.

2. Kushandiswa kweMaingi Anobva Mvura

Mukutanga kwezana remakore rechi20, United States yakatanga kushandisa ingi dzemvura mukudhinda kweflexo. Pakazosvika ma1970, ingi dzepamusoro-soro dzemvura dzakashandiswa zvakanyanya pamapepa ekurongedza akasiyana, masherufu emabhuku, uye makadhibhokisi. Mumakore ekuma1980, glossy uye matte sikirini inodhinda ingi-yakavakirwa mvura yakagadziridzwa kunze kwenyika, ichiwedzera kushandiswa kwayo kumachira, mapepa, PVC, polystyrene, aluminium foil, uye simbi. Parizvino, nekuda kweiyo eco-hushamwari, isiri-chepfu, uye yakachengeteka maitiro, ingi-yakavakirwa mvura inonyanya kushandiswa mukudhinda kwekurongedza kwechikafu, senge fodya yekurongedza uye mabhodhoro ezvinwiwa. Sezvo mitemo yezvakatipoteredza ichivandudza, kushandiswa kweinki-based inks kunoramba kuchisiyana uye kuwedzera. China iri kusimudzirawo zvishoma nezvishoma kushandiswa kwavo muindasitiri yokudhinda.

• Migumisiro uye Hurukuro

1. Tsvakurudzo pamusoro peResin Modifications

Kuita kweinki kunokonzerwa nekusiyana kwe resin. Kazhinji, mvura-based inki resins inowanzoita polyurethane, modified acrylic emulsions, kana polyacrylic resins. Mvura-based polyurethane (WPU) resin, ine gloss yepamusoro, inoshandiswa zvakanyanya mukurongedza kudhinda. Nekudaro, kusimudzira kuita kweWPU kuvandudza ingi-yakavakirwa inki yezvakatipoteredza hushamwari uye kupenya kwave kutariswa muindasitiri yekudhinda.

2. Kugadzirisa Mvura-Yakavakirwa Polyurethanes

Mvura-based polyurethanes, inoumbwa ne-low-molecular-weight polyols, inogona kuiswa mumhando yepolyester, polyether, uye hybrid. Zvichienderana nemhando dzakasiyana dzepolyester uye polyether polymers, kusimba kwavo nekugadzikana kunosiyana. Kazhinji, mapolyether polyurethanes ane simba rakaderera uye kugadzikana pane polyester polyurethanes asi anoratidza nani-yepamusoro-tembiricha kuramba uye haanyanye kuita hydrolysis. Semuyenzaniso, kuwedzera ingi kuti "kusachinja-chinja" nokushandisa polyethylene glycol monomethyl ether inovandudza ayo kushivirira unhu. Zvisinei, iyi ingori poindi yereferensi. Masangano akasiyana-siyana ekutsvagisa anotora nzira dzakasiyana dzekusimudzira zvakati zvinhu zveWPU.

Semuyenzaniso, muna 2010, epoxy resins ine kusimba kwepamusoro uye simba rekuita zvakasarudzwa kugadzirisa inki viscosity uye nyaya dzekunamatira, nekudaro kuwedzera inki kusimba. Muna 2006, chidzidzo chakabudiswa neBeijing Chemical University chakashandisa ethylene glycol-based polyurethane kugadzira resin yakakosha ine chikamu chakareba chakapfava, ichivandudza inki inoshanduka uye kusimbisa zvisina kunanga mvura-ink. Zvimwe zvikwata zvinowana mhedzisiro yekugadziridza nekuwedzera makemikari zvinhu: kubatanidza silica kana organosilicon kuvandudza WPU, zvichikonzera kuwedzera inki tensile simba. Carboxyl-terinated butadiene nitrile polyurethane inoshandiswa kuvandudza inki yekubhenda kuita uye viscosity, ichichinjika kune zvakanyanya kuoma nharaunda.

Nokudaro, vatsvakurudzi vanowanzosarudza mapolyester chaiwo anoenderana neinki zvivakwa, vachishandisa mapolyacids akakodzera uye mapolols kugadzira mapolyester anodzivirira kupisa, achiunza mapoka epolar ane adhesion yakasimba, achisarudza akakodzera mbishi kuvandudza polyurethane crystallinity, uye kushandisa coupling agents kusimudzira WPU adhesive's. unyoro uye kudzivirira kupisa.

3. Mvura Resistance Modification

Sezvo ingi ichinyanya kushandiswa pakurongedza kwekunze uye kazhinji inobata mvura, kusamira zvakanaka kwemvura kunogona kutungamira mukuderera kuomarara, kupenya, uye kunyange inki peeling kana kukuvadzwa, zvichikanganisa zvakanyanya kuchengetedza. Kuvandudza WPU kusamira kwemvura kunowedzera inki yekuchengetedza mashandiro nekushandisa polyols yakanaka kudzivirira mvura semidziyo. Semuenzaniso, kushandura WPU ne acrylic monomers kana kugadzirisa epoxy resin zvemukati zvinogona kuvandudza inki mvura kuramba.

Kunze kwekushandisa yakakwirira-mvura-inodzivirira mapolymers kutsiva yakajairwa polyurethane, vaongorori vanowanzo wedzera organic kana inorganic zvinhu kuti vakwanise kuita zvinodiwa. Semuyenzaniso, kubatanidza nanoscale silica muresin inosimudzira kusamira kwemvura uye kusimba, nzira inoshandiswa zvakanyanya mukugadzira inki. Iyo "emulsion copolymerization nzira" inogadzira composite PUA yekuvandudza kusamira kwemvura, nepo nzira dzakaita se polyethylene glycol monomethyl ether gadziriso uye acetone synthesis ye organosilicon-yakagadziridzwa WPU inosimudzira kuramba mvura.

4. High-Temperature Resistance Modification

Kazhinji, WPU's high-temperature kuramba haina kusimba, ichidzikamisa mvura-based inki yekudzivirira kupisa. Polyether polyurethanes anowanzo kuve nepamusoro-tembiricha kuramba kupfuura polyester polyurethanes nekuda kwehuwandu hwemabhondi maviri. Kuwedzera-refu-cheni mapolymers kana benzene ring esters/ethers sepolymerization monomers inovandudza polymer yakakwirira-tembiricha kuramba uye, nekudaro, mvura-based inki kupisa kusagadzikana. Kunze kwekushandisa refu-cheni polyether polyurethanes, zvimwe zvikwata zvinoshandisa zvinhu zvakaumbwa kuti zviwedzere kuomarara uye kuwedzera kukwirisa-kupisa. Semuyenzaniso, kuwedzera nano tin oxide antimony kuWPU yakagadzirwa kubva kuDMPA, polyether 220, uye IPDI inogonesa zvidimbu zveinki kutora kupisa, kunatsiridza kutonhora kwepamusoro. Kuwedzera silica airgel ku polyurethane zvakare kunoderedza kupisa kwekushisa uye kunosimudzira inki kupisa kuramba.

5. Kugadzikana Kugadziriswa

Kugadzikana kweWPU kunokanganisa zvakanyanya mvura-based inki kuchengetedza kuita. Kunze kwemvura uye yakakwirira-tembiricha kuramba, uremu hwemamorekuru uye kurongeka kwechimiro kwakakosha. Polyester resin anowanzo kugadzikana kupfuura polyether resin nekuda kweakawanda mabhondi ehydrogen muchimiro chemolecular. Kuwedzera ester zvinhu kuumba yakasanganiswa polyurethanes kunowedzera kugadzikana, sekushandisa isocyanate uye silane dispersion kugadzira maviri-chikamu WPU ine yakagadziridzwa kugadzikana uye abrasion kuramba. Kurapa kwekupisa uye kutonhora kunogonawo kugadzira mamwe mabhondi ehydrogen, kusimbisa kurongeka kwemamorekuru uye kusimudzira WPU kugadzikana uye mvura-yakavakirwa inki kuchengetedza kuita.

6. Kuvandudza Adhesion

Nepo optimization yeWPU inovandudza kudzivirira kwemvura, yakakwirira-tembiricha kuramba, uye kugadzikana, maWPU achiri kuratidza kushomeka kunamatira kune polyethylene (PE) epurasitiki zvigadzirwa nekuda kwehuremu hwemamorekuru uye polarity. Kazhinji, yakafanana polarity uye molecular uremu mapolymers kana monomers anowedzerwa kuvandudza WPU uye kuwedzera mvura-based inki adhesion kune zvisiri-polar zvinhu. Semuyenzaniso, co-polymerizing WPU ine polyvinyl chloride-hydroxyethyl acrylate resin inonatsiridza kusapinda kwemvura kunamatira pakati peingi uye machira. Kuwedzera acrylic polyester resin kuWPU inogadzira yakasarudzika mamorekuru yekubatanidza chimiro, inosimudzira zvakanyanya WPU kunamatira. Nekudaro, nzira idzi dzinogona kukanganisa yepakutanga inki ehupfumi senge gloss. Naizvozvo, hunyanzvi hwemaindasitiri hunobata zvinhu pasina kushandura zvivakwa kuti uvandudze inki adhesion, senge activating nzvimbo ine maelectrodes kana yenguva pfupi murazvo kurapwa kuti uwedzere adsorption.

• Mhedziso

Parizvino, ingi dzemvura dzinoshandiswa zvakanyanya mukurongedza chikafu, kurongedza kwemishonga, mashopu, mabhuku, uye mamwe mapeji kana kudhinda maapplication. Nekudaro, zvimiro zvavo zvekushanda zvinoganhurira maapplication akawanda. Sezvo ruzivo rwezvakatipoteredza nekuchengetedza ruchikura nemararamiro akavandudzwa, mvura-based eco-friendly inks iyo inoderedza kubudiswa kweVOC iri kuwedzera kutsiva ingi-based inki, zvinonetsa misika yechinyakare inonyungudutsa-based inki.

Muchirevo chechinyorwa chino, kukwidziridza kuita kweingi nekugadzirisa marezeni emvura, kunyanya mapolyurethanes emvura, kuburikidza nenzira itsva dzakaita senanotechnology uye hybridization yeorganic uye inorganic compounds kwakakosha pakuvandudza inki yemvura mune ramangwana. Naizvozvo, kumwe kutsvagurudza kwakadzama pamusoro pekugadzirisa resin kunodiwa kuwedzera mvura-based inki kuita kwekushandisa kwakakura.