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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯)
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1 }. ^) U& a- l6 z5 i: L soap-diy.com 很少單獨存在於自然界裡，並非化學合成物，常以甘油酯的形態存在，硬脂酸在自然界的分布很廣，
, m2 c$ q3 y8 |+ ?' F( ~ soap-diy.com 存在於許多植物性油脂和動物性油脂中。
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; w6 [8 w% z% @ [ soap-diy.com 動物脂肪中的含量比在植物油脂中的含量要高，如牛油中的含量可達24%，茶油為0.8%，棕櫚油為6%
@0 c- v9 g; t% T# c" i soap-diy.com ，但可可脂中的含量高達34%。 soap-diy.com + M) V x9 [! n# s& Y, r
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硬脂酸實際上是45%硬脂酸和55%軟脂酸的混合物，並含有少量油酸，略帶脂肪氣味。
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生產方式
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動物油與水在高溫高壓下反應，使甘油三酸酯水解。不飽和植物油與氫氣加成得到。
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$ e( q3 @+ {# v( e C g7 z | soap-diy.com 硬脂酸在手工皂的應用主要是增加皂成品硬度。 soap-diy.com " a( r# a( p- l3 `9 Y; t7 t! f
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添加硬脂酸的手工皂成品，有刺激皮膚的可能性，也比較容易阻塞毛孔。 soap-diy.com 9 Q9 h0 ~" s$ A5 X, y) L
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硬脂酸添加比例為3%~5%。 soap-diy.com 1 |+ L* ~0 }3 F: N5 \
: l' }6 R/ z* P: Q3 U# B soap-diy.com 建議計算氫氧化鈉時，計入硬脂酸皂化價
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8 r" O* s0 {! U5 ~5 ` soap-diy.com 添加硬脂酸方式，純硬脂酸融點69.4度，可先與耐熱油脂熱融，如椰子油棕櫚油，一起加熱融好，再跟其他油ㄧ起融鹼。 soap-diy.com 3 f j+ [2 K2 z" D* c
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根據皂友心得:如沒併入一起計算ins值，可將計算後約INS90的手工皂配上3%硬脂酸，就可有理想的硬度。
: c" X0 g: n% k: j soap-diy.com soap-diy.com + H7 b" P9 S, ?6 D% U, \* {9 v1 L
4 k& X: T- c! y( d' R0 U! Q soap-diy.com 詢問商家的硬脂酸是那一種等級，應該是要買化妝品級的硬脂酸，購買三壓等級。 soap-diy.com - m0 [' J$ i" `" R% I1 F
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硬脂酸在手工皂的功能是增加皂的硬度。 soap-diy.com ! q X0 N' r) E8 G5 ~( u! @
操作方式 : 可先與耐熱的油一起熱融後再與其他的油一起融鹼，如融鹼後才加入，會加快Trace，需小心有假Trace情況發生。 soap-diy.com $ K& `7 R y9 c9 t6 O; E9 ?
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. D( A: D8 E: F. O soap-diy.com 硬脂酸（三壓級）
9 f" p3 {( Z3 C0 m' Z F* n" G soap-diy.com STEARIC ACID
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Specs No.:703-28602 Product Code:SA1801 Product Form:Beads
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Property: soap-diy.com : y9 r8 v( f3 V* k5 u, }8 g* k
Acid Value 酸值201-213 soap-diy.com 3 M8 M# S+ _$ A; o4 ~
Sapon Value 皂化值202-214
) Z! s8 Z7 h% F/ }8 p soap-diy.com Iodine Value 碘值1.0max.
5 r, _4 Y0 [$ G1 t soap-diy.com Titer(℃) 熔點54-56 soap-diy.com 4 Y9 K0 d ^9 S' M, k; ^$ K
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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Composition(in%) Approx:
) ^7 S# D: }: r, q" Q2 z. G soap-diy.com C12(Lauric)& Lower1max. soap-diy.com + n# C: W2 p9 R) d3 @
C14(Myristic)2max. soap-diy.com & ~( B+ ^2 m6 A& r, Q |
C16(Palmitic)68max. soap-diy.com 8 u# ?2 U; ~, c0 k
C18(Stearic)30min.
, ?! s. f2 i' C: {. ~9 { soap-diy.com C20(Arachidic)1max. soap-diy.com 9 W- Y7 P: @# {( ~4 }: b0 n2 }
C18'(Oleic)1max. soap-diy.com 9 S* Q- | i7 G- E1 C soap-diy.com + w: F1 s# q* g, S6 z. x- H8 R0 m+ N
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com " d: ^( t, j6 `# N1 G, }
Test Method:AOCS
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/ A, y2 Y( ^* I$ E0 v3 ] soap-diy.com 硬脂酸（二壓級）
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Specs No.:703-28603 Product Code:SA1806 Product Form:Beads
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Property: soap-diy.com ; b7 F9 N2 ?/ ~+ o, f
Acid Value 酸值207-214
6 u: T( I: ~3 e" U8 I4 j- K soap-diy.com Sapon Value 皂化值208-215 soap-diy.com 2 A2 C; u. t; i+ F; D
Iodine Value 碘值3.0max.
( }% z B' J% j1 t* S( Z9 K soap-diy.com Titer(℃) 熔點53min. soap-diy.com : o2 J6 O) Z+ i: ~" B7 j- J# s
Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max.
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Composition(in%) Approx:
. r4 S# C6 u3 T: y& _# {/ c# M soap-diy.com C12(Lauric)& Lower1max. soap-diy.com 8 ^# [; o; L1 z; b& T& W2 \
C14(Myristic)2max.
2 n$ J( {/ |5 ]1 w2 d soap-diy.com C16(Palmitic)70max.
6 y+ C; @( a& R soap-diy.com C18(Stearic)29min. soap-diy.com ) H C( O" J8 b8 @
C20(Arachidic)1max. soap-diy.com , q4 r' I+ q5 O# d
C18'(Oleic)3max. soap-diy.com , ^( q1 e" v5 A4 T" k# v7 l soap-diy.com # ^7 c# K* m1 ]' a2 T
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
# a$ ^& M: W5 g4 L N9 h soap-diy.com Test Method:AOCS
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硬脂酸（一壓級） soap-diy.com 4 t& k2 f: @! |! s5 {' l: r
STEARIC ACID soap-diy.com % a, e8 y( A+ t) ~+ ]
Specs No.:703-28604 Product Code:SA1810 Product Form:Beads
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Property: soap-diy.com 7 M `) Z! C7 f: j% Q% n% ^2 z8 d
Acid Value 酸值185min. soap-diy.com 1 s; L8 e2 p* s2 I, A6 \
Sapon Value 皂化值186min.
3 r# Z1 m5 U. a% ?' V u5 a1 y soap-diy.com Iodine Value 碘值10max. soap-diy.com 4 I9 K: c Z j; |
Titer(℃) 熔點50min.
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/ b4 D- ~. U# O: j$ U- P soap-diy.com Composition(in%) Approx: soap-diy.com $ L0 t8 _4 M1 ?6 R; ?
C12(Lauric)& LowerVariable soap-diy.com 3 v3 I' P9 j; x1 i* D& @) Y; |
C14(Myristic)Variable soap-diy.com % ]/ C9 f! P2 E& q
C16(Palmitic)Variable soap-diy.com 8 m$ `9 L% c& d& I& j9 I% g
C18(Stearic)Variable soap-diy.com % \4 d1 v; N6 p; P5 t
C20(Arachidic)Variable
1 M8 y/ J+ \; P, T; U soap-diy.com C18'(Oleic)Variable
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Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
$ z3 H9 E9 @6 m! \1 W/ a: d soap-diy.com Test Method:AOCS soap-diy.com $ ~# r* Y) Z* V$ G# f* N1 O7 H
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7 T. G4 {0 r/ P; n1 {+ x$ B: e soap-diy.com 硬脂酸（分餾三壓級）
* U2 c7 o: t2 Q: A' S2 @, a soap-diy.com STEARIC ACID soap-diy.com 0 l1 |6 P0 O: P# I+ y
Specs No.:703-28605 Product Code:SA1840 Product Form:Beads
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Property:
' S \" w Z8 Z; g soap-diy.com Acid Value 酸值200-212 soap-diy.com 7 T9 E: Z" s A5 Y
Sapon Value 皂化值201-213 soap-diy.com 8 N% W; U( }0 ?( ]1 p7 {( J
Iodine Value 碘值1.0max. soap-diy.com $ n* r4 [! f" ~( ^& V! I- f! x+ d
Titer(℃) 熔點55-57 soap-diy.com " V( Y, f& h% F
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com / r% Q$ K7 T: U* ?3 c soap-diy.com 7 D: m( {! @1 W2 a5 k
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Composition(in%) Approx:
$ |& S+ E/ N+ o+ a7 s# q* a0 F soap-diy.com C12(Lauric)& Lower1max.
y1 n( h# X) X5 O soap-diy.com C14(Myristic)2max.
% O! r5 B, F, m9 I$ \+ w& L5 ~/ j soap-diy.com C16(Palmitic)60max.
* j+ i6 Y) I0 j5 A/ o: H* c soap-diy.com C18(Stearic)40min.
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C18'(Oleic)1max.
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% g; q9 {7 `6 q" O soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com 6 A% A& Z% O+ o! Z) J( B- j5 l+ P
Test Method:AOCS soap-diy.com 0 }& `/ w" r2 u+ f7 h# D
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硬脂酸（分餾三壓級） soap-diy.com 5 K/ X5 C! _. ~8 H, Q
STEARIC ACID
1 m' p) ~: B* y8 a soap-diy.com Specs No.:703-28606 Product Code:SA1850 Product Form:Beads
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Property:
0 L: ^# C T9 R- [3 \ soap-diy.com Acid Value 酸值198-210
. U1 u) w6 a x* D+ [9 i soap-diy.com Sapon Value 皂化值199-211
5 a1 ?3 D; M( m; x2 V1 N soap-diy.com Iodine Value 碘值1.0max. soap-diy.com # X3 I0 ~+ x% F" |( {
Titer(℃) 熔點55-58 soap-diy.com 4 t y4 I- r9 b
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com 4 J- g* y3 U; f2 u- P
3 M1 Q+ r: h8 o0 M3 [& J soap-diy.com & D" d( w9 G/ I U5 Y soap-diy.com Composition(in%) Approx:
- _$ g, x: _; a$ J5 Y9 @ soap-diy.com C12(Lauric)& Lower1max. soap-diy.com 7 ?$ K2 h5 }1 {- g3 F) B
C14(Myristic)2max. soap-diy.com / z) ~! x/ O3 `8 }4 C
C16(Palmitic)53max. soap-diy.com / H8 o: Q4 |5 G, W/ S
C18(Stearic)47min.
2 r8 H* V) H" R* b soap-diy.com C20(Arachidic)1max.
c& X' r& i+ q+ c( G( n7 ^+ M soap-diy.com C18'(Oleic)1max.
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+ a6 M" n: F( ^3 S soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com ) P: Z- j% b& h; p: T
Test Method:AOCS
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硬脂酸（分餾三壓級） soap-diy.com 2 M4 v; N! S1 i- ]. H0 k# Y# U
STEARIC ACID soap-diy.com . I. e& e! ^5 ?( x' W6 e0 H
Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads 5 v G3 J* H# n1 }' y' S soap-diy.com soap-diy.com ; ]6 j( k% m! I
Property: soap-diy.com 5 {( b- s! r ^* H/ S
Acid Value 酸值200-208 soap-diy.com 7 X$ {+ G% }3 E' E
Sapon Value 皂化值201-209
( }) Y+ K" E+ n" P2 [4 s- M$ _ soap-diy.com Iodine Value 碘值1.0max.
/ J! ?$ a. K! D$ W3 D soap-diy.com Titer(℃) 熔點57-61 soap-diy.com 2 C$ V' `; C/ E3 q" r: [3 v
Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max. soap-diy.com 5 }1 [' z% v; V+ F0 [$ \0 ] soap-diy.com # Z; Q/ j& K9 S9 |, K: j8 I
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Composition(in%) Approx: soap-diy.com $ k- L% k P+ t; x9 q$ i! |6 A) t
C14(Myristic)0-1
3 C* Z& E0 c8 _- b soap-diy.com C16(Palmitic)30-38 soap-diy.com 7 `% g( Q/ R$ O; m
C18(Stearic)62-70 soap-diy.com ' U5 l# R$ k4 T) A8 }, S" f- y& b
C18'(Oleic)0-1
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Standard Packing: --20kgs net.in multiply kraft paper bags --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com * G$ q7 @" b3 s& T5 Z3 d/ y
8 H# w2 l; U& q- k9 {' T; b soap-diy.com Test Method:AOCS soap-diy.com + g5 A ]2 v; `3 {1 F, v# \; @
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發表於 2010-10-3 15:44
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