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KOREA POLYOL CO., LTD. R&D LAB.

POLYURETHANE 이란 ？. POLYURETHANE H O ─ N ─ C ─ O ─. POLYOL - OH. ISOCYANATE - NCO. KOREA POLYOL CO., LTD. R&D LAB. POLYURETHANE 용도. POLYURETHANE FOAM. ELASTOMER. COATING. ADHESIVE. PAINT. SEALANT. LEATHER. KOREA POLYOL CO., LTD. R&D LAB.

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KOREA POLYOL CO., LTD. R&D LAB.

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  1. POLYURETHANE 이란 ？ POLYURETHANE H O ─ N ─ C ─ O ─ POLYOL - OH ISOCYANATE - NCO KOREA POLYOL CO., LTD. R&D LAB.

  2. POLYURETHANE 용도 • POLYURETHANE FOAM • ELASTOMER • COATING • ADHESIVE • PAINT • SEALANT • LEATHER KOREA POLYOL CO., LTD. R&D LAB.

  3. POLYURETHANE FOAM 원료 CATALYST ISOCYANATE POLYOL POLYURETHANE FOAM BLOWING AGENT SILICONE SURFACTANT Etc. KOREA POLYOL CO., LTD. R&D LAB.

  4. POLYOL 종류 PHD POLYOL PIPA POLYOL POLYETHER POLYOL POLYMER POLYOL AMINE TERMINATED POLYETHER MODIFIED POLYETHER POLYOL POLYOL SILICONE MODIFIED POLYETHER POLYESTER POLYOL URETHANE MODIFIED POLYETHER POLYETHER ESTER COPOLYMER KOREA POLYOL CO., LTD. R&D LAB.

  5. POLYETHER POLYOL INITIATOR + ALKYLENE OXIDE (ADDITION) CH CH 3 3 R - OH + n CH - CH R - O - (CH - CH - O )-H 2 2 n O KOREA POLYOL CO., LTD. R&D LAB.

  6. CH2OH O H CH2OH O H H H OH H H OH O HO CH2OH OH H H OH INITIATOR KOREA POLYOL CO., LTD. R&D LAB.

  7. PPG manufacturing MECHANISM R-OH + B- R-O- + BH CH CH 3 3 R – O- + n CH - CH R –( O -CH – CH2 ) – O- 2 n O CH 3 CH 3 R –( O -CH – CH2 ) – O- + BH R –( O -CH – CH2 ) – OH + B- n n KOREA POLYOL CO., LTD. R&D LAB.

  8. POLYOL 특성 PO ALKYLENE OXIDE INITIATOR CHARACTERISTICS OF POLYETHER EO ALCOHOL ADDITION AMOUNT AMINE ADDTION METHOD FUNCTIONALITY (RANDOM,BLOCK) KOREA POLYOL CO., LTD. R&D LAB.

  9. PPG manufacturing process Water, solvent, low boilers starter EO acids catalyst PO absorbent antioxidants nitrogen nitrogen nitrogen nitrogen water reactor Catalyst removal Final treatment alcoholate production Storage tank drum filter KOREA POLYOL CO., LTD. R&D LAB.

  10. O O n HO - C - R - C -OH + (n+1) HO - R′- OH O O HO - R ′- O - C - R - C - O - R′ - OH + 2nH2O n POLYESTER POLYOL CARBOXYLIC ACID + HYDROXYL COMPOUND (CONDENSATION) KOREA POLYOL CO., LTD. R&D LAB.

  11. BLOWING AGENTS • 화학적 형태 ▶ Water - 이소시아네이트와 반응함 (발열반응) - 이산화탄소 가스가 고분자를 팽창시킴. • 물리적 형태 ▶휘발성 물질 (CFC-11,HCFC-141B,PENTANE) - 발열에 의해 증발됨. - 증발 가스가 고분자 팽창시킴. KOREA POLYOL CO., LTD. R&D LAB.

  12. CATALYSTS CATALYST TIN AMINE Tertiary amines Organic metal salts Expansion reaction Polymerization reaction ( Blow Reaction) (Gel Reaction) KOREA POLYOL CO., LTD. R&D LAB.

  13. 발포제 종류및 특성 KOREA POLYOL CO., LTD. R&D LAB.

  14. SURFACTANTS • 구조식 Polydimethylsiloxane oxyalkylene Copolymer CH3 CH3 CH3 CH3 CH3 ─ Si ─ O ─ Si ─ O ─ Si ─ O ─ Si ─ CH3 CH3 CH3 R′ CH3 (EO)a (PO)b R • 기능 ▶ 표면장력을 낮게한다. 혼합성을 증가시킨다. Foam Cell을 안정화시킨다. Foam Cell의 크기를 작게한다. Foam Cell의 수를 증가시킨다. Foam Cell의 뭉침 현상을 방지한다. ▶ ▶ ▶ ▶ ▶ KOREA POLYOL CO., LTD. R&D LAB.

  15. 충진재 • 기능 ▶ 제품단가 DOWN ▶ FOAM경도상승,에너지흡수효과,열안정성,열팽창계수저하 ▶ 넓은온도에서탄성MODULUS상승,난연화 • 종류 ▶ 입상 : CALCIUM CARBONATE,MELAMINE,SILICA ▶ 층상 : GLASS FLAKE, ALUMINIUM FLAKE ▶ 섬유상 : ALUMINA FIBER,MILLED GLASS FIBER KOREA POLYOL CO., LTD. R&D LAB.

  16. 난연재 • 역할 연소반응 억제 ▶탄소피막 형성,수분층 생성,분해시 흡열반응 방연 효과 ▶ ▶ • 종류 인산계 할로겐계 무기계 ▶ ▶ ▶ KOREA POLYOL CO., LTD. R&D LAB.

  17. CROSSLINKER • 기능 ▶분자간 결합을 강화 ▶Foam 물성 개선 • 종류 ▶ DIOL : EG,DEG,PG,DPG,1.4-BG ▶ TRIOL : GLYCELIN, TRIMETHYLOLPROPANE ▶ TETRAOL : PENTAERYTHRITOL ▶ DIAMINE : HMDA, HYDRAZINE ▶ AMINOALCOHOL : DEOA,TEOA KOREA POLYOL CO., LTD. R&D LAB.

  18. 기타 부원료 • 안료 • 산화 방지제 • 자외선 방지제 • 기타 생산공정에 이형제,세척용제 사용 KOREA POLYOL CO., LTD. R&D LAB.

  19. ISOCYANATE TDI (Toluene diisocyanate) CH3 CH3 NCO NCO NCO NCO 2,6 - TDI 2,4 - TDI Grade : TDI - 100 , TDI - 80 , TDI - 65 2,4 Isomer Ratio KOREA POLYOL CO., LTD. R&D LAB.

  20. ISOCYANATE MDI (Diphenylmethane diisocyanate) NCO NCO NCO CH2 CH2 n ▶ Pure MDI : Functionality = 2 ▶ Crude MDI : Functionality = 2.7 ∼ 2.9 ▶ Modified MDI : Functionality = Variable KOREA POLYOL CO., LTD. R&D LAB.

  21. URETHANE REACTIONS • UREA반응 H O │ ∥ －N 〓 C 〓 O + H2O - N －C －OH - NH2 + CO2 ↑ Carbamic Acid O ∥ －NH2 + －NCO NH －C －NH － Urea • URETHANE반응 H O │ ∥ －N 〓 C 〓 O + －OH － N －C － O － Urethane KOREA POLYOL CO., LTD. R&D LAB.

  22. Biuret, Allophanate 반응 O O O ∥ ∥ │ ∥ －N 〓 C 〓 O + －NH －C －NH －－NH －C －N －C － Urea Biuret H O H O O │ ∥ │ ∥ │ ∥ －N 〓 C 〓 O + －N －C －O － －N －C －N －C －O － Urethane Allpphanate KOREA POLYOL CO., LTD. R&D LAB.

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