Asalin Haɗin Adhesives

Asalin Haɗin Adhesives

1. Base Material

Kayayyakin Tushen Halitta na gama-gari

1. Thermosetting roba guduro:
   Guduro phenolic, guduro epoxy, amino guduro, polyurethane guduro, polyester unsaturated, acrylic guduro.
2. Thermoplastic roba guduro:
   Rubber-Kayan tushen, kayan polymer na halitta, ruwa - kayan tushe na latex.
3. Rubber-kayan mannewa na tushen.

Ka'idodin Zaɓar Kayan Gishiri

1. Polarity na kayan polymer
2. Crystallization dukiya na polymer kayan
3. Nauyin kwayoyin halitta na kayan polymer

2. Wakilin Magani (Hardener)

Bukatun Zaɓi don Wakilin Curing

1. Fi son ruwa, mara - mai guba, mara launi da samfuran wari.
2. Halin da ke tsakanin wakili mai warkarwa da kayan tushe yakamata ya kasance barga tare da sakin ƙaramin zafi, don rage damuwa na ciki na Layer m.
3. Kyakkyawan juriya na zafi; zaɓi wakilai masu warkarwa tare da ƙarin ƙungiyoyi masu amsawa a cikin tsarin kwayoyin halitta.
4. Kyakkyawan taurin; zaɓi wakilai masu warkarwa masu tsayin sarƙoƙi na ƙwayoyin cuta.

3. Narke don Adhesives

Ayyukan Magani

1. Yi aiki azaman matsakaicin amsawa don daidaita amsawa da sarrafa zafin jiki cikin sauƙi.
2. Narkar da kayan tushe don shirya sauran ƙarfi - tushen adhesives.
3. Yi aiki azaman diluent don daidaita danko don mafi kyawun jika da sutura.
4. Daidaita saurin juyawa na mannewa.
5. Hana gelling da inganta kwanciyar hankali.
6. An yi amfani da shi don tsaftace ƙasa kafin haɗin gwiwa.
7. Ya dace da haɗin kai kai tsaye na wasu kayan filastik.
8. Rage farashi da inganta ingantaccen tattalin arziki.

Ka'idodin Zaɓin Magani

1. Polarity: zaɓi sauran ƙarfi tare da polarity iri ɗaya ko makamancinsa azaman kayan tushe (kamar narkar da kamar).
2. Solubility siga: kusa da na polymer tushe abu.
3. Volatility: zaɓi sauran ƙarfi tare da daidaitaccen ƙimar canzawa ko gauraye masu kaushi tare da saurin canzawa da jinkirin.
   Yayi sauri: mai sauƙin ƙirƙirar fim ɗin saman tare da ragowar sauran ƙarfi a ciki;
   Jinkirin da yawa: jinkirin bushewar ƙasa da ƙarancin ingantaccen aiki.
4. Yi la'akari da farashi, guba da samuwa.

4. Mai laushi

Rarraba na softener

Halayen Masu Taushi Daban-daban

1. Paraffin tushe roba man: mai kyau hadawan abu da iskar shaka juriya da haske kwanciyar hankali; rashin ƙarfi emulsibility, dacewa da ƙananan juriya na zafi.
2. Naphthenic tushe roba man: daidaitattun abũbuwan amfãni na paraffin da aromatic mai; matsakaicin emulsibility da dacewa, mara - gurɓatacce kuma ana amfani da su sosai.
3. Aromatik tushe roba mai: dacewa mai kyau, babban cika iya aiki da ƙananan farashi tare da ƙarfin haɗin gwiwa; rashin amfani: launi mai duhu, guba da tasirin muhalli.

5. Filastik

Ayyukan Plasticizer

1. Garkuwa ƙungiyoyi masu aiki na ƙwayoyin polymer, raunana ƙarfin intermolecular.
2. Inganta juriya na zafi, ductility da ƙananan - juriya na yanayin zafi; rage haɗin gwiwa ƙarfi da na roba modulus.

Bukatun Zaɓi

1. Polarity: polarity yana rinjayar dacewa tare da manyan kayan.
2. Ƙarfafawa: zaɓi babban - tafasa ko babba - kwayoyin halitta - filastik mai nauyi don guje wa asarar aiki sakamakon ƙaura, hazo da haɓaka.
3. Nauyin kwayoyin halitta da yanayi: mafi girman nauyin kwayoyin halitta yana kawo mafi kyawun haɗin gwiwa.

Na kowa Plasticizers

6. Filler

Rabewa

• Organic filler: inganta guduro brittleness, high danshi sha, low zafi juriya.
• Inorganic filler: ƙara yawa da brittleness; inganta zafi juriya, matsakaici juriya da kuma rage shrinkage.

Bukatun Zaɓi

1. Inert, babu amsa tare da sauran abubuwan mannewa.
2. Kyakkyawan dispersibility da wettability tare da kayan tushe.
3. Rashin ruwa, abubuwa masu cutarwa da mai; low danshi sha.
4. Girman barbashi na Uniform da mara - mai guba.
5. Isasshen wadata, sauƙin sarrafawa da ƙarancin farashi.
6. Yawa bazai bambanta da yawa da kayan tushe ba.
7. Daidaitaccen sashi.

Na kowa Fillers

7. Wakilin Haɗawa

Ayyukan Wakilin Haɗawa

1. Haɓaka ƙarfin intermolecular na guduro da haɓaka ƙarfin haɗin gwiwa na adhesives.
2. Yi aiki azaman gada tsakanin guduro da kayan haɗin gwiwa. Ƙungiyoyi masu amsawa daban-daban suna kawo aikin haɗin kai daban-daban.

8. Sauran Mataimaka

• Mai farawa: Yana lalata don samar da radicals na kyauta a ƙarƙashin wasu yanayi; Yawancin amfani: Benzoyl Peroxide, Cyclohexanone Peroxide, Cumene Hydroperoxide, Azobisisobutyronitrile.
• Accelerator (Mai kara kuzari): Rage bazuwar zafin jiki na mai farawa ko saurin amsawa tsakanin wakili mai warkewa da guduro/roba.
• Wakilin Anti - tsufa: Jinkirta tsufa na kayan polymer, dace da manne da aka yi amfani da su a ƙarƙashin zafin jiki da hasken rana.
• Thickener: Ƙara danko na ƙananan - danko don aikace-aikace mai sauƙi.
• Polymerization Inhibitor & Stabilizer: Hana kai - haɗe-haɗe na polymers marasa cikakken ƙarfi da monomers yayin ajiya.
• Wasu: Cross-wakilin haɗin gwiwa, tackifier, diluent, flame retardant, photosensitizer, defoamer, preservative, complexing agent, emulsifier, ƙara kamar yadda ake buƙata don inganta dabara da aikin aikace-aikace.