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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯) soap-diy.com 5 P, N! Y( m6 E/ h
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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， soap-diy.com % V3 h+ N$ p$ q5 T- ~
存在於許多植物性油脂和動物性油脂中。
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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%
9 Z& R+ p$ R0 s/ ~' P soap-diy.com ，但可可脂中的含量高達34%。 soap-diy.com 1 w6 |( [# L) @( f }# o5 ?
0 ?& `1 O" y$ F9 T soap-diy.com 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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4 g& P5 |; J8 t0 n soap-diy.com 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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硬脂酸在手工皂的應用主要是增加皂成品硬度。
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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 $ c2 H1 V7 @) m
7 ~- ^8 i" A1 a; v* Y0 Y soap-diy.com 硬脂酸添加比例為3%~5%。
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建議計算氫氧化鈉時，計入硬脂酸皂化價 soap-diy.com 9 d6 B; s( I. S1 d
D$ \$ C! J, R) f. H- v+ ?3 V$ j 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。
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9 Y7 X" i% p: \0 t/ Z soap-diy.com 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。 soap-diy.com 6 h- T6 B# X9 H' }8 H; Y8 v
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5 w' x% o6 `0 Q+ N) a. S4 V 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 ! ~! M) ]6 \( G& I
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硬脂酸在手工皂的功能是增加皂的硬度。 soap-diy.com * w- J1 R5 C. j9 k
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 & j9 k5 G! @# V
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硬脂酸（三壓級） soap-diy.com 6 y- ]4 w! D4 g2 m. C7 u! @9 u
STEARIC ACID
7 f& z' t/ r7 e4 S [" i% y1 u soap-diy.com soap-diy.com 5 u; D/ z2 Y3 `! n2 b" ~8 q% L
Specs No.:703-28602 Product Code:SA1801 Product Form:Beads
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Property: soap-diy.com 6 |$ A1 _+ `/ ~, g$ ^3 q X- Z
Acid Value 酸值201-213
% R$ N- O& F" x soap-diy.com Sapon Value 皂化值202-214
$ R8 K7 [: l% E1 ]5 P/ J soap-diy.com Iodine Value 碘值1.0max. soap-diy.com 2 [, @ G* d1 k: x" Z6 p8 m
Titer(℃) 熔點54-56 soap-diy.com + l2 l! v U- J8 B' ], a w' C
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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Composition(in%) Approx:
& x# F% ^. _8 { soap-diy.com C12(Lauric)& Lower1max.
- E9 S& b6 F: s1 K n soap-diy.com C14(Myristic)2max. soap-diy.com 7 a* A( b3 o* G8 A: \
C16(Palmitic)68max. soap-diy.com 8 | b% y4 K% m% |$ s6 P3 r. Q
C18(Stearic)30min. soap-diy.com 0 r5 C# r; Z7 _/ K, \* t+ e$ d
C20(Arachidic)1max.
6 Z& s* x: h* J4 h* z% n soap-diy.com C18'(Oleic)1max.
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5 J5 O" ~0 p/ M7 J2 u6 _ soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
; T0 `: j3 g! V( L3 {' b soap-diy.com Test Method:AOCS
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) l6 W# s8 i& S( s, w: N soap-diy.com  soap-diy.com - k# ^1 k: j! r ?0 H* X2 Z& v
" m8 }! X3 ?* F7 Q9 Y2 t. a soap-diy.com 硬脂酸（二壓級） soap-diy.com ; k+ i0 L s% s8 V. @7 {* M' c! A2 F
STEARIC ACID
& ?6 W8 l* n" ]7 A( e `" _ T6 a soap-diy.com Specs No.:703-28603 Product Code:SA1806 Product Form:Beads
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Property: soap-diy.com $ t, B) K: [0 E+ I! n
Acid Value 酸值207-214 soap-diy.com . L/ H+ W7 O/ ]% h, K" l
Sapon Value 皂化值208-215 soap-diy.com 2 m$ p4 S5 B1 F$ Z
Iodine Value 碘值3.0max.
' S3 M( ]* Q' z+ f+ C1 }- V soap-diy.com Titer(℃) 熔點53min. soap-diy.com 0 W t' O A: Q% f. x
Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max.
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Composition(in%) Approx: soap-diy.com 9 P# k" I- p! X# S, L! A6 G/ q! X* A
C12(Lauric)& Lower1max.
3 v3 }5 L' l# G) [6 r soap-diy.com C14(Myristic)2max.
& N9 Q: }; W% z9 E- [ soap-diy.com C16(Palmitic)70max.
# o3 Z; ~6 ^3 f soap-diy.com C18(Stearic)29min. soap-diy.com ( X j; e7 M O8 n
C20(Arachidic)1max.
8 d: ^' z5 X: J( V/ |2 E soap-diy.com C18'(Oleic)3max. soap-diy.com - @9 d# ?# b; j, S soap-diy.com + R% c o% t+ s
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
0 R2 `& y! U/ P8 n- J soap-diy.com Test Method:AOCS soap-diy.com ( f5 O' U& z1 L soap-diy.com 3 }, a @8 |8 e ~4 i) [4 u& _
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硬脂酸（一壓級） soap-diy.com - u, W" @" U8 [8 v% G6 R
STEARIC ACID soap-diy.com 2 ?# w3 Q( X& \1 L" m" w1 p
Specs No.:703-28604 Product Code:SA1810 Product Form:Beads ' w1 P6 k9 }$ y* j+ A" K/ M* y soap-diy.com soap-diy.com 2 Q" { E4 m/ ~2 x O
Property: soap-diy.com ; r% `; v, z: F" |; ~6 E
Acid Value 酸值185min.
; }6 ~) b$ g* j. C soap-diy.com Sapon Value 皂化值186min. soap-diy.com 5 h! j. r+ ^9 c% L" e5 a2 \
Iodine Value 碘值10max. soap-diy.com . R& G, b( r( m: e+ H# b( Q+ j
Titer(℃) 熔點50min.
2 J1 T: x7 _" F$ C soap-diy.com Colour(Gardner) 顏色7Gardner max.
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B8 M( R9 \% { soap-diy.com Composition(in%) Approx:
2 |- O6 J# t$ Z/ X `6 G5 }; u soap-diy.com C12(Lauric)& LowerVariable soap-diy.com 3 z7 p" z. j* c- u2 I7 J2 H
C14(Myristic)Variable
: Z; v6 B& p" O1 Y" s: n soap-diy.com C16(Palmitic)Variable soap-diy.com ; i2 V! o0 J! W; Y
C18(Stearic)Variable
3 c, B8 N/ a$ Z$ {( `4 f soap-diy.com C20(Arachidic)Variable
; R* L9 `6 I+ w soap-diy.com C18'(Oleic)Variable
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3 I8 j- D1 P* g1 @& k soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
0 d- ~/ `8 B" d7 `; h3 _( p soap-diy.com Test Method:AOCS
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硬脂酸（分餾三壓級） soap-diy.com 3 v/ G, \6 ]2 h. O4 T% U
STEARIC ACID soap-diy.com . P$ i" t8 x1 {( \: ?2 Q
Specs No.:703-28605 Product Code:SA1840 Product Form:Beads
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Property: soap-diy.com ; s4 u/ J" O' ]& z0 b" M# B
Acid Value 酸值200-212 soap-diy.com - Y8 t# q Z1 O
Sapon Value 皂化值201-213 soap-diy.com 0 ], l: D* {2 d, _$ X3 w- h
Iodine Value 碘值1.0max.
! J e# R; v0 ? soap-diy.com Titer(℃) 熔點55-57 soap-diy.com : v$ Q2 o, }5 B, T/ N
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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, q4 d: G! i5 V5 K8 j soap-diy.com 3 B# ?: x$ r, Y) c x# g5 s soap-diy.com Composition(in%) Approx:
1 H( Y8 d* S8 C( I soap-diy.com C12(Lauric)& Lower1max.
' h+ J3 t9 H$ E& S; i- d soap-diy.com C14(Myristic)2max.
z3 |' b; Z3 T$ J( I soap-diy.com C16(Palmitic)60max. soap-diy.com / T( ^& b5 q- V& N; c* {5 f7 ~
C18(Stearic)40min.
) K5 n+ L, x4 s+ V8 _- C; y soap-diy.com C20(Arachidic)1max.
9 t2 r. Z+ I, ^; D1 v7 u soap-diy.com C18'(Oleic)1max.
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7 X7 t, ~+ `6 Q. @6 P5 q3 {1 E3 D soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com % r/ T+ s0 ]+ a. R. ^7 l, R
Test Method:AOCS soap-diy.com ' A5 ~) ~# l0 b
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" j$ ^9 f% ~1 n4 N7 K, M2 G, L soap-diy.com 硬脂酸（分餾三壓級） soap-diy.com * C' p4 W3 C# Y8 }& u
STEARIC ACID soap-diy.com ; z# n9 j4 o" V0 C' ]' A
Specs No.:703-28606 Product Code:SA1850 Product Form:Beads
6 G# S# W/ d* z& o8 q soap-diy.com + z3 A1 _. @ s) b3 c5 q' z soap-diy.com Property:
# @3 I& |# ?* h3 h# ] soap-diy.com Acid Value 酸值198-210 soap-diy.com 6 R! B" K0 [3 q5 O8 ]+ O, r X2 p
Sapon Value 皂化值199-211
8 A7 }* _* v2 T soap-diy.com Iodine Value 碘值1.0max.
: `. C7 o, @2 J2 c soap-diy.com Titer(℃) 熔點55-58
: o" S0 k6 ^1 o9 @ soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com + w' `1 |9 d! [
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Composition(in%) Approx: soap-diy.com 0 \5 D6 H1 Y% [& d7 y, V
C12(Lauric)& Lower1max.
* a4 p7 C$ E5 a8 f* V4 z soap-diy.com C14(Myristic)2max.
5 u/ K. f4 Y2 j3 B4 J* j soap-diy.com C16(Palmitic)53max.
4 `# z+ L B( V* w' W soap-diy.com C18(Stearic)47min. soap-diy.com - ^6 h D9 ]9 d( T: J
C20(Arachidic)1max. soap-diy.com 2 G# X i) R( A- p
C18'(Oleic)1max. soap-diy.com ) l: L3 I2 y% g& X4 K: U
l6 p, s1 p+ M/ Y0 z8 N" H# j soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
9 n% X6 ], p) o soap-diy.com Test Method:AOCS
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0 p/ b$ Z( Q. f# m soap-diy.com 硬脂酸（分餾三壓級）
1 P1 L8 m3 n% L7 C8 T: d8 `: ~* ] soap-diy.com STEARIC ACID soap-diy.com 5 r8 a: l" e* c% j3 y* w1 ]
Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads - X' T# D- f+ ] soap-diy.com soap-diy.com 0 P, ^# i. t g+ ?3 i' B
Property:
% |+ E* n% `2 k Z9 l soap-diy.com Acid Value 酸值200-208
3 R7 U: L2 T0 b% q% D$ L soap-diy.com Sapon Value 皂化值201-209
- K7 j" M; e( P" U' k4 j soap-diy.com Iodine Value 碘值1.0max. soap-diy.com : l# X8 Z' C u
Titer(℃) 熔點57-61 soap-diy.com ' l8 X- e* d* y( G3 J
Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max.
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Composition(in%) Approx:
6 G* x& U+ Z( x7 y soap-diy.com C14(Myristic)0-1
. X/ F3 I4 j7 v) v+ m soap-diy.com C16(Palmitic)30-38 soap-diy.com & E R' |; W1 S9 G. V9 P
C18(Stearic)62-70
5 E* x, I9 q; [' C8 @/ P d soap-diy.com C18'(Oleic)0-1 soap-diy.com % c$ b2 Q$ N9 x5 m, p
7 X1 x$ t H, m8 ~) b soap-diy.com Standard Packing: --20kgs net.in multiply kraft paper bags --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
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Test Method:AOCS
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發表於 2010-10-3 15:44
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