Cong Nghe San Xuat Son

8/14/2019 Cong Nghe San Xuat Son

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Cng ngh sn xut sn v mt sng dng c bit

GV hng dn: Nguyn Trung Dng Nhm thc hin : Phan Th Nhn

Trn Trng KimV Quc CngTrng Tun Anh

Lp : My Ha K50


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Ni dung

Gii thiu chung v sn1.

Cng ngh sn xut sn2.

Cc ng dng c bit3.

Kt lun4.


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Gii thiu chung v snKhi nim : l mt sn phm ho cht, dng ph ln bvt di dng mng mng bm trn b mt vt nhm mcch chnh l bo v, trang tr

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Gii thiu chung v sn

Cht to mng(vehicle)

Cht mu (pigment)

Dung mi(solvent)

Cht ph gia

Thnh phn cuto

Thnh phn cuto


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Thnh phn cu to

Mng thin nhin

Du thc vt( du bo, nha thinnhin,)

Cc dn xut hahc ca polymethin nhin, VD:cao su

Nha tng hp huc

Nha tng hp vc

Mng bn tng hp Mng tng hp

Khi nim: l thnh phn quan trng nht quyt nhtnh cht ca sn v mng sn

Cht to mng

Cht to mng


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Thnh phn cu to

Khi nim: l cht quan trng tomu cho mng snTc dng: to m quan cho sn phmTo bn nh sng, chu nc,chu kh hu, tng bn chccho mng sn, chng g cho kimloi nn

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Bt mu

Bt mu


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Mt s bt mu v c thng dng



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Thnh phn cu to

Khi nim : l cht lng d bay hi dng ha tan cc chto mng chuyn h sn vo trng thi thun li cho vic bin v s dng v s bay hi ht trong qu trnh to thnhmng sn

Dung mi l thnh phn chnh n thng chim khi lnln hn so vi cht to mng. Mt s loi sn dung michim n 80%


Dung miDung mi


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Thnh phn cu to

Khi nim : l cht dng trong pha ch sn d sn xutthin tnh lu bin v vic s dung sn, gip cho qu trnhmng, ci thin bn lu ca sn


Cht ph bt Mu chng n mn

Ph giaPh gia


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Thnh phn cu to

Mt s loiph gia

Tng tnh n nhsn v duy tr cht

lng

Trong qu trnh snxut:

chng vi khun v thm t

chng sa lng

chng to kh

tc nhn phn tn

chng to bt

tc nhn thm t

cht kh bt

tc nhn mm do

cht lm chm chy, chng chy


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Thnh phn cu to

Khi nim : l cht ngi ta a vo tng qu trnh ng rn mng slm thi gian kh c rt ngn li bng cch tng tc bay hi dung

C ch lm kh:

2(RCOO)2Mn + O2 --> 2(ROO)2Mn4+O ----> 2Mn(ROO)2 + 2-O-

Khng c cht lm kh : 120h n 125h sn mi khKhi c Mn ----> t= 12h

Pb ----> t= 26hPb + Mn ---> 7,5hPb + Mn+ Co ---> t= 6h

VD:Cht lm kh Pb 32%, Co 10%, Mn 10%, Ca 5%, cho sn Alkyd


Cht lm khCht lm kh


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Thnh phn cu to

Khi nim : l cc phc casilic qua x l

Cht chng lng c tc dngto trng thi c gi, lmcc ht rn trong sn nh bt mu, bt n khng b

lng xung


Cht chng lng

Cht chng lngCht chng lng


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Quy trnh sn xut sn



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Quy trnh sn xut sn



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Cc bc tin hnhPhi trn



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Cc bc tin hnh Nghin



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Cc bc tin hnhLc



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Cc bc tin hnhPha mu



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Cc bc tin hnhKim tra cht lng


thc o nht bn nh sngTB th nghim bnc ra


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Cc bc tin hnh


TB th nghim xungkch va pthc o mnTB kim tra bm dnh


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Sn xut sn c tnh cht c bit

Polyme hu c: nh nha ankyd bin tnh, nha polyester mch thng,nha phenol formandehyd, .. chng chy v bn vi axit, kim ngta dng cc monome l cc dn xut ca Halogen. Hin nay nha ankyd bin tnh c s dng rt rng ri v chim t l ln trn th trng.

Polyme v c: nh Phtphat Nhm (PPA),..

VD: Polyme v c PPA


Cht to mng


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Sn xut sn c tnh chtc bit

C ch to mng

Chnh nhm Si O Al chng li s pht trin ca qu trnh nmn trn b mt, to nn mt b mt tip xc pha n nhKhng nhng chu c n mn, m n cn c thm cc tnh chtkhc nh chu nhit, chu la tt



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Thng dng l TiO2, Cr2O3, ZnO2,. Ty thuc vo loihm lng cht n m sn phm c kh nng lm vic 2000 C Ngoi ra: chng g, n mn tt th kch thc cc ht csn cn t n mt kch thc ph hp, thng th < 40- micro met.

Kch thc nh : - To bng- Chng thm,- To bm dnh tt


Cht n


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Kh nng ha tan ca keo PPA trong dung mi



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Sn chng hSn chng h


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ng dng: chng h, chng n mn inha,chng g, chng thm cho v tu bin


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Lp th hai l lp sn chng g

Lp th nht l lp shopprimer

Lp trung gian

Lp ngoi cng l lp sn chng h

Mt h thngsn phn mnt ca tuthng baogm 4 lp sn.


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Quy trnh sn chng h tu bin


Step 1

Bn ctt


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Step 2

Ra schbi ct


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Step 3

Lp snI


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Step 4

Sn lpII


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Step 5

Sn LpIII


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end

Sau khihon ttcng

onSn


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Kt lun

Mt s loi sn v hng sn c mt ti th trngtrong v ngoi nc

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Cong Nghe San Xuat Son