KR100302243B1 - 프리프레그 및 그 제조방법 - Google Patents
프리프레그 및 그 제조방법 Download PDFInfo
- Publication number
- KR100302243B1 KR100302243B1 KR1019980061474A KR19980061474A KR100302243B1 KR 100302243 B1 KR100302243 B1 KR 100302243B1 KR 1019980061474 A KR1019980061474 A KR 1019980061474A KR 19980061474 A KR19980061474 A KR 19980061474A KR 100302243 B1 KR100302243 B1 KR 100302243B1
- Authority
- KR
- South Korea
- Prior art keywords
- sheet
- carbon fiber
- resin
- prepreg
- binder resin
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 127
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 125
- 239000004917 carbon fiber Substances 0.000 claims abstract description 125
- 239000011347 resin Substances 0.000 claims abstract description 115
- 229920005989 resin Polymers 0.000 claims abstract description 115
- 239000011230 binding agent Substances 0.000 claims abstract description 47
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000011229 interlayer Substances 0.000 claims abstract description 16
- 239000003365 glass fiber Substances 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 8
- 238000005470 impregnation Methods 0.000 claims description 6
- 229920006231 aramid fiber Polymers 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims description 2
- 238000009941 weaving Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 abstract description 10
- 239000011150 reinforced concrete Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 abstract 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 24
- 238000001723 curing Methods 0.000 description 20
- 239000000047 product Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 241000612182 Rexea solandri Species 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 229920001296 polysiloxane Polymers 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/08—Impregnating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/07—Parts immersed or impregnated in a matrix
- B32B2305/076—Prepregs
Landscapes
- Reinforced Plastic Materials (AREA)
Abstract
Description
실시예 | 탄소섬유 | 스크림 시트 | 단위면적당 탄소섬유 무게(g/㎡) | 바인더 수지 함침량(중량%) | 평균 인장강도(㎏f/㎝폭) |
1 | T-700 | KT228 | 199.6 | 5.0 | 481 |
2 | T-700 | KT338 | 201.8 | 4.9 | 465 |
3 | TR50S | KT228 | 199.2 | 5.2 | 446 |
4 | T-700 | 텍스타일 스크림 | 201.5 | 5.1 | 499 |
5 | T-700 | KT228 | 310.0 | 4.8 | 705 |
6 | T-700 | KT338 | 313.0 | 5.1 | 732 |
Claims (6)
- 탄소섬유 토우들이 일방향으로 배열된 탄소섬유 시트와 스크림 시트가 적층된 탄소섬유시트/스크림시트 층간적층체에 상기 층간적층체의 스크림 시트면을 통하여 경화제 및 경화촉진제가 함유되지 않은 바인더 수지가 상기 탄소섬유 시이트의 토우들 사이에 함침되고 탄소섬유 토우내로 부분적으로 함침되어 있는 것을 특징으로 하는 프리프레그.
- 제 1 항에 있어서, 단위면적당 탄소섬유의 무게가 150∼350 g/㎡이고, 바인더 수지의 함침량이 프리프레그의 3∼10 중량% 인 것을 특징으로 하는 프리프레그.
- 제 1 항에 있어서, 탄소섬유 토우는 인장강도가 460∼540 ㎏f/㎟ 이고, 인장탄성도가 22,500∼24,500 ㎏f/㎟ 이고, 최종 인장 파단변형율이 1.8% 이상이며, 토우내 필라멘트수가 12,000∼24,000개인 것을 특징으로 하는 프리프레그.
- 제 1 항에 있어서, 상기 스크림 시트는 유리섬유, 아라미드섬유 및 폴리에스테르섬유로 이루어진 군에서 선택되는 1종 또는 2종 이상 혼합된 섬유로 제조된 것으로, 바인더 수지가 잘 통과하도록 수지침투성을 가지며, 두께가 145∼235 미크론이며, 스크림 시트 제직 형태상의 삼각형을 이루고 있는 한 각의 각도는 50∼70° 이며, 한변의 길이는 7.5∼16.0㎜ 인 것을 특징으로 하는 프리프레그.
- 제 1 항에 있어서, 바인더 수지가 70℃에서의 점도 8,000∼14,000 cps이며, 상온 경화형 경화제 및 경화촉진제와 반응하여 25℃ 에서의 환경조건하 14일 이내에 완전히 경화되는 수지인 것을 특징으로하는 프리프레그.
- 탄소섬유 토우들이 일방향으로 배열된 탄소섬유 시트와 스크림 시트를 적층하여 탄소섬유시트/스크림시트 층간적층체를 제조하고, 경화제 및 경화촉진제가 함유되지 않은 바인더 수지가 이형시트에 도포된 바인더수지 시트와 상기 층간적층체를 상기 바인더수지 시트의 수지면과 상기 층간적층체의 스크림 시트면이 대면하도록 하여 접합시킨 다음, 가열, 가압하여 상기 이형시트상의 바인더 수지를 스크림 시트를 통하여 탄소섬유 시이트의 토우간에 함침시키고 탄소섬유 토우내로 부분적으로 함침시키는 공정들을 포함하는 것을 특징으로 하는 프리프레그의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980061474A KR100302243B1 (ko) | 1998-12-30 | 1998-12-30 | 프리프레그 및 그 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980061474A KR100302243B1 (ko) | 1998-12-30 | 1998-12-30 | 프리프레그 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000044967A KR20000044967A (ko) | 2000-07-15 |
KR100302243B1 true KR100302243B1 (ko) | 2002-06-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980061474A KR100302243B1 (ko) | 1998-12-30 | 1998-12-30 | 프리프레그 및 그 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100302243B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013166132A1 (en) * | 2012-05-01 | 2013-11-07 | Continental Structural Plastics, Inc. | Process of debundling carbon fiber tow and molding compositions containing such fibers |
KR20180130692A (ko) | 2017-05-30 | 2018-12-10 | 주식회사 한국카본 | 내마모성이 우수한 얇은 폭 프리프레그, 이를 이용한 프리프레그 직물 및 이의 제조방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102341161B1 (ko) * | 2017-08-10 | 2021-12-20 | 도레이첨단소재 주식회사 | 저밀도 프리프레그 및 이를 포함하는 샌드위치 복합 성형품 |
-
1998
- 1998-12-30 KR KR1019980061474A patent/KR100302243B1/ko not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013166132A1 (en) * | 2012-05-01 | 2013-11-07 | Continental Structural Plastics, Inc. | Process of debundling carbon fiber tow and molding compositions containing such fibers |
US10337129B2 (en) | 2012-05-01 | 2019-07-02 | Continental Structural Plastics, Inc. | Process of debundling carbon fiber tow and molding compositions containing such fibers |
US11214894B2 (en) | 2012-05-01 | 2022-01-04 | Continental Structural Plastics, Inc. | Process of debundling carbon fiber tow and molding compositions containing such fibers |
KR20180130692A (ko) | 2017-05-30 | 2018-12-10 | 주식회사 한국카본 | 내마모성이 우수한 얇은 폭 프리프레그, 이를 이용한 프리프레그 직물 및 이의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20000044967A (ko) | 2000-07-15 |
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