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发表于 2008-7-7 14:36:11
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目录
: E2 _2 q% O6 E: \& L3 f, |/ N) Q1前言.........................................................................................................................1+ I( f5 N1 t8 X9 z
1.1发泡材料的概述..................................................................................................15 P, ^) C) W& K2 d! x) V
1.1.1分类......................................................................................................................1 N9 D8 `2 |. Q+ H$ ?
1.1.2制备方法..............................................................................................................2/ ~2 q! `3 ^4 I2 c& Z
1.2弹性体发泡材料的发展概况.....................................................................................3
# s1 O' o' V. a- |. ?" p- P+ X8 d: E1.2.1橡胶发泡材料的制备工艺..................................................................................4
/ o9 @/ G* w9 Y1.2.2橡胶发泡材料的原料..........................................................................................6
8 T- g. `+ n' Q1.3发泡材料的应用.......................................................................................................10
1 d n# b" v% U$ B2 l1.4橡胶发泡材料的相关研究.......................................................................................105 q3 _5 A) H+ P, q, @5 {, [! [6 ^
1.4.1发泡与硫化的匹配及对发泡材料影响............................................................11
; q1 \. K, l P! v$ J8 |3 F1.4.2发泡剂及其分解规律........................................................................................127 L) g4 s) s1 W; j( I$ |# j
1.4.3硫化动力学研究................................................................................................13
6 M& B5 w# o+ E, P4 T9 L6 ]1.5天然橡胶...................................................................................................................14
0 W9 C2 r' ~ V! C1.6本文研究目的和内容...............................................................................................143 B( G1 s8 x6 _9 q$ j- {& K. W+ Y# }
2实验部分.........................................................................................................................150 i4 C6 }1 m2 e8 @2 {
2.1原材料.......................................................................................................................15
$ a/ E* R7 p; v2.2试样制备...................................................................................................................15
* K l6 J( Z- y0 {7 I2.3硫化特性和发泡特性的测试...................................................................................16' J ]! I3 m& V. T/ J
2.4密度测定...................................................................................................................16
0 v4 Q( w) A$ ^7 C6 N2.5扫描电镜观察...........................................................................................................17
# l* v6 K; B3 b2 G% Y2.6硬度测试...................................................................................................................172 M6 D" [/ ]; Q; G% i
2.7压缩应力应变曲线测试...........................................................................................17
( |% m9 s) K$ L2.8压缩应力松弛...........................................................................................................17
' X2 m, y* g. i8 X5 P% X3结果与讨论.....................................................................................................................18% K/ R. ?1 n0 W# W' y
3.1发泡剂分解特性的表征...........................................................................................182 b$ Q/ [" @1 S% s" x3 y2 P4 x
3.1.1用无转子发泡硫变仪表征胶料发泡特性........................................................189 {- ` g) m3 X8 u- C; W+ l: d
3.1.2用发泡硫化仪测试发泡剂H在橡胶中的分解动力学规律...........................23
" h5 S" V+ u9 Q6 q! J; V3.2硫化与发泡过程的影响因素...................................................................................24: a5 `9 b' {! j8 I0 ^' X9 z, q
3.2.1橡胶发泡过程浅析............................................................................................25
$ X# ]7 w. |* L7 J# m3.2.2发泡剂种类对发泡过程的影响........................................................................26
% C& W% b9 h; h$ E3.2.3发泡助剂对发泡过程的影响............................................................................28) z2 G" e4 b: `, ?4 H
3.2.4硫化体系对发泡过程的影响............................................................................296 E; a6 w0 g- Q
3.2.5发泡剂并用对发泡过程的影响........................................................................29
- P' h" H* Q% D! g3.2.6硫化过程的影响因素........................................................................................30
2 r: N$ J+ ^# h3 H! e3.3 NR发泡材料的制备及其物理性能.........................................................................32
2 t. G' @$ _" B% ~7 v3.3.1发泡剂含量的影响............................................................................................32
4 d5 D! x& I3 r: J) v' D& o& q9 Y3.3.2 CaCO3含量的影响.............................................................................................35% U/ W1 O7 C g9 }( ?! P
3.3.3温度对硫化和发泡曲线的影响........................................................................37
+ L9 E: |* _; @* j6 p9 Y+ a3.3.4加工工艺的影响................................................................................................39
- [* G3 ~6 E$ K0 O3 g3.4发泡材料压缩特性与能量吸收特性的研究...........................................................417 j* O# j: y5 b9 k) }6 H
3.4.1基本配方............................................................................................................424 v5 J3 R0 ]% t9 K+ q" A9 x
3.4.2 NR橡胶发泡材料的压缩行为...........................................................................43
( e9 i- H6 \2 L ]( i5 P3.4.3 NR橡胶能量吸收特征.......................................................................................44
6 W" V9 y; Z8 y3.4.4发泡材料的应力松弛........................................................................................49
' K) I& [( g1 }: i* E* Q1 _4结论.................................................................................................................................51 |
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