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Aramid
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ÃÖ±Ù »ê¾÷¿ë¼¶À¯ÀÇ Á߿伺ÀÌ ³Î¸® ÀÎ½ÄµÇ¸ç ¸¹ÀÌ ¾Ë·ÁÁø ¾Æ¶ó¹Ìµå¼¶À¯(Aramid fiber)´Â 2°³ÀÇ º¥Àüȯ Á÷Á¢°áÇÕ(¾Æ¶ó¹Ìµå°áÇÕ)ÀÌ 85%ÀÌ»óÀÎ ÇÕ¼ºÆú¸®¾Æ¹Ìµå¸¦ Æú¸®¸Ó·Î ÇÏ¿© Á¦Á¶µÈ ¼¶À¯¸¦ ¸»ÇÑ´Ù. 1965³â DuPont ¿¬±¸Áø¿¡ ÀÇÇØ Àü¿¡ ¾ø´ø »õ·Î¿î ¼¶À¯(Kevlar®)°¡ °³¹ßµÇ°í À̸¦ À§¿Í °°ÀÌ ¸í¸íÇÏ¿© ºÒ·ÁÁö°Ô µÇ¾ú´Ù. ¾Æ¶ó¹Ìµå¼¶À¯´Â °íÀ¯ÀÇ °µµ(StellÀÇ 5-7¹è) ¹× ³»¿¼ºÀ» Ư¡À¸·Î ³»¿, ¾ÈÀüº¹, ¹æźº¹, °æ·®º¹ÇÕÀç, °ÇÃຸ°Àç µî ´Ù¾ç ºÐ¾ß¿¡¼ ±¤¹üÀ§ÇÏ°Ô »ç¿ëµÇ°í ÀÖÀ¸¸ç Áö±Ýµµ »õ·Î¿î ÀÀ¿ëºÐ¾ß·Î È®´ëµÇ¾î °¡°í ÀÖ´Ù. ¿ìÁÖÇ×°ø µî ÃÖ÷´ÜÁ¦Ç° °³¹ßÀÌ ÀÌ·ç¾î Áö±âÀ§ÇØ ÇʼöÀûÀ¸·Î ÇÊ¿äÇÑ ¼¶À¯·Î °¢±¹¿¡¼ ±¹»êȸ¦ À§ÇØ ³ë·ÂÇÏ¿© DuPont ÀÌ¿Ü¿¡ ±× Á¦Á¶»ç°¡ ´Ã¾î°¡°í ÀÖ´Ù. ÈÇиí(Aramid)°ú Á¦Ç°¸í(DuPontÀÇ Kevlar®) ±¸ºÐÇÏ°í, Para aramid/Meta aramidÀÇ ±¸ºÐ ¹× °¢°¢ÀÇ Á¦Á¶»çº° Á¦Ç°¸íÀ» À¯ÀÇÇϸé ÀÀ¿ë¿¡ Å« µµ¿òÀÌ µÉ °ÍÀÌ´Ù. |
1. AramidÀÇ Á¾·ù
1) Para Aramid
DuPontÀÇ Kevlar®
Teijin Twaron®, Technora®
ÄÚ¿À·Õ Heracron®
¹æź/¹æȺ¹, ŸÀ̾îÄÚµå
°í°µµ½½¸µ¹Ù, °Ç¼³º¸°,
Color : Yellow |
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2) Meta Aramid
DuPont Nomex®
Teijinconex®
¶Ù¾î³ ¹æ¿°¼º, Ä¡¼ö¾ÈÁ¤¼º,
Àü±âÀû Ư¼º,´Ù¾çÇÑ¿°»ö¼º
(õ¿¬»ö : white)
Àü±âÀý¿¬Àç ¹× ¾ÈÀüº¹ ¿ø´Üµî
Collor : white |
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# ÀÌ¿Ü¿¡µµ Aramet, Paramyd, Aramica, Newstar, X-fiber µîÀÌ ÀÖÀ¸¸ç »ó¼¼³»¿ëÀº ¹®ÀÇ.
#PPTA ´Â ¾Æ¶ó¹ÌµåÆú¸®¸Ó Áß ÇÑ °¡Áö P-phenylen terephthalamideÀÇ ¾àÀÚ·Î °í°µµ ¾Æ¶ó¹Ìµå¼¶À¯¸¦ PPTA·Î Ç¥±âÇϱ⵵ Çϴµ¥, ¸ðµç para aramid°¡ PPTA´Â ¾Æ´ÔÀ» À¯ÀÇ (PPTA : Kevalr, Twaron)
2. Á¦Ç°ÇüÅÂ
Filament yarn, Spun yarn, Staple fiber, Chopped fiber
ÀÌ·± ¿ø»çÁ¦Ç° ÇüŸ¦ ±âÃÊ·Î ¸ñÀûÇÏ´Â ¿ø´Ü(Á÷¹°, Æí¹°, ºÎÁ÷¹°)À» Á¦Á÷Çϰųª, ½Ã¸àÆ®
¹× Æú¸®¸ÓÀÇ º¸°Àç·Î »ç¿ëÇÔ
3. Ư¼º : DuPontÀÇ Kevlar® Á¦Ç° ¼³¸í Âü°í
4. Teijin Technora®
¨ç ³ôÀº ÀÎÀå°µµ 28g/de (24.7cn/dtex, 350kg/mm2)
¨è ³ôÀº ÇÇ·Î ³»¼º (¸¶Âû, ±¼°î, ½ºÆ®·¹Ä¡)
¨é Ä¡¼ö¾ÈÁ¤¼º
¨ê ³ôÀº ³»¿¼º : ¿ºÐÇؿµµ500¡É, Àå±â »ç¿ë¿Âµµ´Â 200¡É À̸ç
250¡É¿¡¼´Â »ó¿Â¿¡¼ º¸´Ù 50%ÀÌ»óÀÇ °µµ À¯Áö, LOI(25)
¨ë ³»ÈÇмº : »ê, ¾ËÄ«¸®, À¯±â¿ëÁ¦, ¹Ù´å¹°, ½ºÆÀ
¹°¼ººñ±³Ç¥ |
¹Ðµµ |
ÀÎÀå°µµ |
ÀÎÀåź¼ºÀ² |
ÆĴܽÅÀ² |
g/cm3 |
cN/dtex |
kg/mm2 |
cN/dtex |
kg/mm2 |
% |
Aramid |
Technora |
1.39 |
25 |
350 |
520 |
7400 |
4.6 |
PPTA (reg) |
1.44 |
19 |
285 |
410 |
6000 |
3.8 |
PPTA (HM) |
1.45 |
19 |
285 |
880 |
13000 |
2.4 |
MPIA |
1.38 |
4.9 |
70 |
53 |
800 |
38 |
Organic
Fiber |
Polyester |
1.38 |
8.1 |
115 |
88 |
1300 |
13 |
Nylon 6 |
1.14 |
8.3 |
100 |
44 |
500 |
19 |
HMPE |
0.98 |
29 |
265 |
880 |
8800 |
4.0 |
Polyarylate |
1.40 |
20 |
290 |
490 |
7100 |
3.7 |
Inorganic
Fiber |
Steel |
7.85 |
3.0 |
240 |
250 |
20000 |
1.7 |
E-glass |
2.54 |
8.5 |
220 |
250 |
7000 |
4.0 |
Carbon
(PAN HT) |
1.80 |
23 |
420 |
1240 |
24000 |
1.7 |
Carbon
(PAN HM) |
1.81 |
13 |
250 |
2120 |
40000 |
0.6 |
Carbon(Gp) |
1.65 |
4.4 |
75 |
180 |
3000 |
1. |
³»ÈÇмº
ºñ±³Ç¥ |
Condition |
Retention of strength(%) |
Conc.(wt.%) |
Temp
(C) |
Time
(hrs.)¡¡ |
Technora |
PPTA
(reg.)¡¡ |
PPTA
(HM) |
MPIA
(FY) |
PET |
Sulfuric acid |
20 |
95 |
20 |
99 |
13 |
50 |
65 |
- |
20 |
95 |
100 |
93 |
2 |
29 |
20 |
- |
40 |
95 |
100 |
89 |
1 |
20 |
2 |
- |
Hydrochloric acid |
20 |
20 |
100 |
98 |
42 |
87 |
74 |
- |
Nitric acid |
10 |
20 |
100 |
99 |
52 |
90 |
77 |
- |
20 |
70 |
366 |
14 |
- |
- |
- |
- |
Phosphoric acid |
10 |
20 |
100 |
96 |
11 |
57 |
84 |
- |
Sodium hydroxide |
10 |
95 |
20 |
93 |
15 |
38 |
20 |
- |
10 |
95 |
100 |
75 |
4 |
18 |
0 |
- |
Portland cement |
saturated |
95 |
100 |
98 |
23 |
67 |
60 |
2 |
saturated |
180 |
15 |
70 |
13 |
25 |
50 |
0 |
Sodium hypochlorite |
10 |
95 |
20 |
95 |
8 |
- |
- |
- |
Hydrofluoric acid |
100ppm |
20 |
336 |
100 |
99 |
- |
96 |
- |
Sea water |
3 |
95 |
1000 |
98 |
85 |
89 |
98 |
64 |
Water |
100 |
100 |
100 |
100 |
90 |
- |
- |
98 |
100 |
160 |
100 |
84 |
17 |
- |
- |
0 |
100 |
180 |
100 |
40 |
10 |
- |
- |
0 |
Formic acid |
90 |
95 |
100 |
82 |
10 |
32 |
62 |
- |
Acetic acid |
40 |
95 |
100 |
97 |
10 |
70 |
90 |
- |
Gasoline |
100 |
20 |
784 |
>95 |
>95 |
>95 |
>95 |
- |
Benzene |
100 |
20 |
784 |
>95 |
>95 |
>95 |
>95 |
- |
Para-xylene |
100 |
95 |
100 |
97 |
94 |
92 |
100 |
99 |
Methyl ethyl ketone |
100 |
20 |
1000 |
97 |
94 |
94 |
100 |
100 |
Ethyl acetate |
100 |
20 |
1000 |
96 |
96 |
95 |
97 |
100 |
Ethylene chloride |
100 |
20 |
1000 |
100 |
94 |
96 |
100 |
100 |
Ethylene glycol |
100 |
95 |
300 |
94 |
96 |
92 |
90 |
63 |
Phenol |
100 |
95 |
300 |
95 |
97 |
95 |
95 |
0 |
N-Methyl pyrrolidone |
100 |
95 |
100 |
31 |
96 |
93 |
16 |
- |
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