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TI: THIT K PHN XNG SN XUT KEO DNPHENOL-FORMALDEHYDE TAN TRONG CN NNG SUT

20.000 (TN/NM).

GVHD: TS. on Th Thu Loan

SVTH : V Minh HunLp : 07H4

I HC NNGTRNG I HC BCH KHOA

KHOA HA

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LOGO

M UI

NGUYN LIUII

PHN LOI

III

TNH CHT V CC YU T NH HNGIV

V NG DNG

III

VIL THUYT TNG HP

NI DUNG

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LOGOM U

- Phenol v formaldehyde cbt u nghin cubiAdolf Bayerr vo nm 1872 v Losekam vo nm 1889.

- Phng php tnghpu tin c pht minh ra vo nm1907bi Leo Hendrik Baekeland, v vo nm 1910, mt loi vt

liumi ra ict tn l bakelite.- Nm 1993, tiu th keo phenol-formaldehyde l 3,07 t

pound chng sau poly-urethane (3,476 t pound) trong nhanhitrn.

- Sn lngnha phenolic trn thgiinm 2002 l 3500ngn tn,nm 2007 l 3850 ngn tn.

- Vit Nam, trong lnhvc keo dn c rt t nh my snxut m chyunhptnc ngoi.

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LOGONGUYN LIU

1. Phenol

- CTPT: C6H5OH - CTCT:- Tnh cht:

iukinthng phenol tntidng tinh th hnh kim,khngmu, c mi hcctrng, lu trong khng kh c mu hng v

bin thnh mu nu nht do nb oxi ho.

+ Ttrng d =1,054

+Nhit nng chy tnc= 40,3OC

+Nhit si ts=182,2O

C+ Phenol tham giaphnngctrng lphnngth SE.

- Cc dnxutca phenol : + Crezol: C6H4(CH3)OH

+ Xilenol: CH3)2C6H3OH

+ Rezorsin: C6H4(OH)2

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LOGONGUYN LIU2. Formaldehyde

- CTPT: CH2O - CTCT: H-CHO

- Tnh cht:

+ L cht kh c mi hc.+ Nhit si ts= -210C.

+ Nhit nng chy tnc = -920C.

+ T trng d = 0,815.

-Ngoi ra cn s dng nguyn liu:+ Urotropin ( hexametylen tetramin): (CH2) 6N4.

+ Furfurol: C5H4O2.

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LOGO

- Ty thuc vo tlcut v xc tc m chia nha phenol-formaldehyde (PF) ra lm 2 loi:Nha novolac v nha rezolic.

- Novolac: L nhanhitdo, khng c khnngtngrntothnh polime mngli khng gian.

- Rezolic: L nha nhit rn c kh nng t ng rn to mng

li khng gian gm 3 loi:+ Nha rezol: L nhachang rn, n l mthnhp

snphm phn tthpmchthng v nhnh.

+ Nha rezitol: L nhabtungrnnhng c mt

mngli khng gian t.+ Nha rezit:Nhangrn hon ton to thnh polime

c mng li khng gian dy c, trng thi khng nng chykhng ha tan trongbtk dung mi no.

PHN LOI

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LOGOTNH CHT V CC YU T NH HNG

1. Tnh cht

- Tnh nnh nhit tt: Chuc to cao, cng, nnh kchthc cao.

- Khnng lin kt cao:Bnc, nhit, ha v lin ktchcvicc cht gia cngto ra cc loivtliu l tng.

- Hm lng cacbon cao: Oxy ha to > tp/hynha phenolic tora cacbon c cu trc nh cacbon thy tinh.

- Tnh chtnha rezolic:

- C tnh nnh cao, cha t phenol t do, bn ha hc vcch in cao.

- Thay i theo chiuhng to thnh polime mng li vrezolic chuyndn sang trng thi rezitol.

- C th ha tan trong nhiu dung mi nh: Xiclohexanol,phenol, dioxan, butanol... to cao.

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LOGOTNH CHT V CC YU T NH HNG

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LOGOTNH CHT V CC YU T NH HNG

c. pH ca mi trng- Trng ngng trong mi trng acid (pH < 7) to nha nhit

do.

- Trng ngng trong mi trng acid (pH > 7) tonhanhitrn.

d. nhhngca xc tc v lng xc tc n tnh cht

- Xc tc acid: Snphmto thnh l nhanhitdo novolac.

- Xc tc l baz:Snphmto thnh l nha rezolic.

+ Nu l kimmnh (NaOH, KOH) th tosnphm ckhnng ho tan trong nc.

+ Xc tc NH4OH, Ba(OH)2tosnphm tan trong cn.

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LOGO

1. Vtliu p

- Bt p.

- Vtliusi p (ctsi)itnha rezolic vph gia l si.

- Vtliu p thnh lp.

- Vtliu p viph gia th (mnhvn)2. Keo dn v sn

3. ngdng lm cc vtliu khc

- Phao lit

- Vt liu than grafit-Nhac

NG DNG

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LOGONG DNG

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LOGOL THUYT TNG HP

1. Nguyn liu

+ Phenol nng 98 % :100phnkhilng.

+ Formaldehyde nng 37 % :37phnkhilng.

+ Xc tc Ba(OH)2nng 37 %: 2phnkhilng.

+ Tl mol : P/F = 6/7

2. Cch

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LOGOL THUYT TNG HP

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LOGOTNG HP3. Quy trnh sn xut nha rezolic tan trong cn lm keo dn

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LOGOCN BNG VT CHT

Cut Lng vo(kg) Lng ra(kg) Tn hao (kg)

Nha 12024136,38 24040,8

Etylic 8024123,76 24060,75

Keo 20000000

Tngcng 20048260,14 20000000 48101.55

Cut Lng vo (kg) lng ra (kg) tn hao (kg)

Phenol 98% 9174353,28 66940,56 9180

Formaldehyde 37% 8990871,6 177301,5 9000,480

Ba(OH)2 37% 486003,48 485524,080 480,420

H2O tch ra 5835466,92Nha 12024136,38 48280,68Tngcng 18651228,36 18589369,44 66941,58

Qu trnh tng hp nha:

Qu trnh ng gi keo:

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LOGOTHIT B PHN NG

- Th tch: 27,158 (m3)

- Chiu cao: 5300 (mm)

- ng knh trong: Dt = 2800 (mm)

- Chiu dy thn: 14 (mm)

-Chiu dy y, np: 15 (mm)

- B dy ca lp cch nhit bng thy tinh: 82 (mm).

- ng knh ngoi (lp bo n): 3206 (mm)

- Trng lng: 10274,105 (kg)

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MONG C GIO HNG DN V

CC BN GP SA CHA

EM XIN CHN THNH CM N