Bisfenol A'dan Epoksi Reçine Üretimi

Yüksek performanslı yapıştırıcı ve kompozit matris malzemesi

Materials Science & Polymers Global Industrial Scale $10 billion

Genel Bakış

Epoxy resins are produced by the reaction of bisphenol A (BPA) with epichlorohydrin (ECH) to form diglycidyl ether of bisphenol A (DGEBA), the most widely used epoxy resin worldwide. Epoxies are valued for their exceptional adhesion to diverse substrates, chemical resistance, and mechanical properties after curing with amine or anhydride hardeners. Applications include aerospace composites, protective coatings, electronic encapsulation, wind turbine blades, and structural adhesives.

Kimyasal Süreç

Bisphenol A reacts with excess epichlorohydrin (ECH:BPA ratio 2-10:1) in the presence of NaOH at 40-70 degrees C. The NaOH dehydrohalogenates the chlorohydrin intermediate to form epoxide groups, generating NaCl as byproduct. The crude resin is washed to remove salt and unreacted ECH, then molecular weight is controlled by the BPA:ECH ratio.

HO-C6H4-C(CH3)2-C6H4-OH + 2ClCH2-CHCH2O ->[NaOH] CH2(O)CHCH2-O-C6H4-C(CH3)2-C6H4-O-CH2CH(O)CH2 + 2NaCl + 2H2O

Hammaddeler

  • Bisphenol A (BPA, C15H16O2) — Condensation of phenol with acetone (Dihydroxy monomer)
  • Epichlorohydrin (ECH, C3H5ClO) — Allyl chloride route or glycerin-based Epicerol process (Epoxy group donor)
  • Sodium hydroxide (NaOH) — Chlor-alkali process (Dehydrohalogenation agent)

Son Ürünler

  • DGEBA epoxy resin — Adhesives, coatings, composites, electronic encapsulation (Epoxide equivalent weight 170-3,500 g/eq depending on grade)
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Environmental Impact

BPA is an endocrine disruptor, and its use in food-contact applications is increasingly restricted. Epichlorohydrin is toxic and carcinogenic. Cured epoxy resins are thermosets and difficult to recycle conventionally. Bio-based alternatives from plant oils and vanillin are under development.

Güvenlik Hususları

Son İnovasyonlar

Bio-based epoxy from epoxidized soybean oil and vanillin-derived monomers are entering the market.
Vitrimers (dynamic covalent network epoxies) enable recyclability of thermoset epoxies through bond exchange reactions at elevated temperatures.

Üretim Ölçeği

4500000

ton/yıl

$10 billion

Piyasa değeri

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Frequently Asked Questions

What industry uses Bisfenol A'dan Epoksi Reçine Üretimi?
Bisfenol A'dan Epoksi Reçine Üretimi is used in the materials science & polymers sector at global industrial scale scale.
What process is involved in Bisfenol A'dan Epoksi Reçine Üretimi?
Bisphenol A reacts with excess epichlorohydrin (ECH:BPA ratio 2-10:1) in the presence of NaOH at 40-70 degrees C. The NaOH dehydrohalogenates the chlorohydrin intermediate to form epoxide groups, generating NaCl as byproduct. The crude resin is washed to remove salt and unreacted ECH, then molecular
What is the economic significance of Bisfenol A'dan Epoksi Reçine Üretimi?
Bisfenol A'dan Epoksi Reçine Üretimi has a market value of $10 billion and annual production of 4,500,000 tons.
What is the environmental impact of Bisfenol A'dan Epoksi Reçine Üretimi?
BPA is an endocrine disruptor, and its use in food-contact applications is increasingly restricted. Epichlorohydrin is toxic and carcinogenic. Cured epoxy resins are thermosets and difficult to recycle conventionally. Bio-based alternatives from plant oils and vanillin are under development.
What raw materials are used in Bisfenol A'dan Epoksi Reçine Üretimi?
The main raw materials include: Bisphenol A (BPA, C15H16O2), Epichlorohydrin (ECH, C3H5ClO), Sodium hydroxide (NaOH).