Upload
dante2710
View
276
Download
0
Embed Size (px)
Citation preview
7/27/2019 Rubber Phu Gia
1/29
C PH GIA KHC1. Cht ha do.2. Cht pepti3. Ch t to x p4. Cht tr hon chy5. Cao su ti sinh v cao su bt6. Cht mu7. Ph gia khc8. Xy dng n pha ch
7/27/2019 Rubber Phu Gia
2/29
1. CHT HA DO
Cht ha do c a vo cao su ci thin
tnh cht gia cng v tnh cht sn phm. Hm lng ha do s dng trong cao su
thng b hn 10 phr, ngoi tr trng hp cc
cao su EPDM.
,lu ha s gim v c th nh hng xu n
khng lo ha ca cao su.
7/27/2019 Rubber Phu Gia
3/29
PHN LOI
Ha do c ngu n g c thc vt: nha thng, cn
du thng a o c ngu n g c an n a
coumaron.
.
Ha do tng hp.
7/27/2019 Rubber Phu Gia
4/29
Ha do c ngu n g c d u ha chia ra thnh d u
paraffinic, naptenic v aromatic. Du aromatic.
Ha do tng hp c phn cc ln hn c,
Cc ha do ny thng l cc ester, th dDOP, DBP, DOS (dioctil sebacat)
7/27/2019 Rubber Phu Gia
5/29
Vic chn la loi ha do v hm lng s dng
ph thuc: ng p c a a o v cao su.
Kh nng duy tr ha do khi tng hoc gim
Kh nng di tr khi cao su.
7/27/2019 Rubber Phu Gia
6/29
2. CHT PEPTI
Thng dng lm mm cc cao su nh NR,
SBR, CR. Gi vai tr cht xc tc gim cp khi cn trn
nng, ng thi gi vai tr cht bt gc t do
nn v n tc ng cn ngu oc trongtrng hp khng c oxy.
m ng s ng . n . p r s mgim ng k thi gian cn trn.
7/27/2019 Rubber Phu Gia
7/29
Tri vi ch t ha do, ch t pepti khng nh
hng nhiu n tnh cht cao su lu ha. ep c c o v o r c n v c
do thi mi cho cc ph gia khc vo.
7/27/2019 Rubber Phu Gia
8/29
Cc ch t pepti thng s dng l 2-mercapto
benzimidazol, mui km 2- benzimido tiophenat,
tiophenol.
cht pepti
7/27/2019 Rubber Phu Gia
9/29
3. CHT TO XP
L ch t b phn hy to kh khi nhit tng, to
xp cho sn phm cao su. p s c c n c u r c cao su o qu
trnh lu ha.
7/27/2019 Rubber Phu Gia
10/29
CU TRC XP
Xp kn
Xp h
7/27/2019 Rubber Phu Gia
11/29
Kh i lng ring v c u trc x p ph thuc:
nht Mooney ca hn hp. Bn ch t v hm lng ch t to n i.
iu kin lu ha.
H s lm y (xp h). p sut p v tc mkhun (xp kn).
7/27/2019 Rubber Phu Gia
12/29
CC CHT TRNG PHNG
Natrium hoc ammonium carbonat gii phng
kh CO2. c c g p ng 2
Dinitroso pentametilen tetramin Td = 1200C
Sulfo hidracid: Td = 850C
7/27/2019 Rubber Phu Gia
13/29
4. CHT TR HON CHY
Ngn chn qu trnh chy:
To sn phm ngn cch vt liu vi khng kh. Ngn chn qu trnh tiu th oxi
Yu cu:
Khng to ra kh c.
7/27/2019 Rubber Phu Gia
14/29
Mt s cao su c tnh t t t nh CR, cc cao su
clo ha, fluo ha. s a o es er p osp a e, a um n um
hydrat qu trnh phn hy thu nhit nn l gim.
7/27/2019 Rubber Phu Gia
15/29
PHN LOI
Ch t ch ng chy do phn hy to kh khng
chy: km carbonat, ma nh carbonat. o p c c m ora
Cht khc nh Sb2O3, du paraffin clo hoa hm.
7/27/2019 Rubber Phu Gia
16/29
5. CAO SU TI SINH CAO SU BT
Cao su ti sinh tng do ca h n hp gimth
i gian phn b
n trong cao su.
ng c n. m rng p ng.
To ngoi quan tt.
ng
t n ng n u
C li kinh t.
7/27/2019 Rubber Phu Gia
17/29
Khi xy dng n pha ch cao su c s dngcao su ti sinh c
n ch :
ng n c s n rong cao su s n .
Lng lu hunh v xc tin cn st li trongcao su s n .
7/27/2019 Rubber Phu Gia
18/29
BT CAO SU
cao su ph liu.
thng th cao su bt c cho trng phngtrong ha do trc khi cn trn v hn hp
cao su.Bt cao su:
Gim co rt
. Gim c tnh ca cao su lu ha: khng ko,
7/27/2019 Rubber Phu Gia
19/29
6. CHT MU
Ch t mu v c: r tin, cho mu km cc
oxid Fe, Zn ...). m u u c m c n, c gam m u r ng,
cho mu mnh.
cht n trng (silica). Titan dioxid c sd n l cht t o n n i mu sc c tinhkhit cao hn.
7/27/2019 Rubber Phu Gia
20/29
7. CC CHT KHC
Ch t ch ng dnh: km stearat, ester acid bo,xap paraffin, du vaselin, PE thp phn t
ng n n a coumaron- n en, n aphenolic, colophan ...
nn vt liu khc nh vt liu si - nharesorcinol formaldehid; v t li u kim lo i ccloi keo dn tng hp.
7/27/2019 Rubber Phu Gia
21/29
8. XY DNG N PHA CH
Cao su
Cht ha do
H lu ha
7/27/2019 Rubber Phu Gia
22/29
NGUYN TC XY DNG XY DNG N
Tnh cht s dng
Gi thnh
7/27/2019 Rubber Phu Gia
23/29
Vic xy dng n pha ch cao su l mt ngh
thut v kinh nghim. i khi phi dung ha cc tnh cht. Th d
nhit sinh ni v ma st ln trong v xe.
Kh khn l ngy nay c nhiu loi cao su vnhu loi ph gia.
May m n l c nhiu thng tin v n phach lm cng vic xy dng n pha ch
.
7/27/2019 Rubber Phu Gia
24/29
MT V XE DU LCH
SBR 1712 65
Stearic acid 1
Du aromatic 25
TMQ 1.4
CBS 1.5
7/27/2019 Rubber Phu Gia
25/29
MT V XE TI NNG NR 70
SBR 10
BR 20 ZnO 3
Stearic acid 3
N 0 ISAF 50
Du aromactic 3
TMQ 2
S 1.5
7/27/2019 Rubber Phu Gia
26/29
RUT XE IIR 100 n
Stearic acid 1
N660 (GPF) 40
u para n c
DPAA 1
S 2.5
TMTD 0.9
MBTS 0.3
TeDEC 0.3
7/27/2019 Rubber Phu Gia
27/29
CAO SU CHU DU
NBR 36% Nitril 50
NBR 30% Nitril 50 ZnO 5
Stearic acid 1.5
N550 (FEF) 60 Octil adipat 12
S 1.2
MBTS 1.5 TMTM 0.4
7/27/2019 Rubber Phu Gia
28/29
DOTG di-o-tolydil guanidin
MBT Mercapto benzo thiazol
TMTM Tetrametil thiuram monosulfua
CBSN-ciclohexil-2-benzothiazil
TBBS N-tertbutil-2- benzothiazil
TeDEC Tellunium dietil dithiocarbamat
7/27/2019 Rubber Phu Gia
29/29
PHNG LO
- p en p en en am n
IPPD N-isopropil phenilen diamin
r ng ngng p en am n vaceton
r me - , , - ro- ,
quinolein