KR20190037023A - 파형 버블구조를 갖는 차량용 내장재 및 그 제조방법 - Google Patents
파형 버블구조를 갖는 차량용 내장재 및 그 제조방법 Download PDFInfo
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- KR20190037023A KR20190037023A KR1020170126611A KR20170126611A KR20190037023A KR 20190037023 A KR20190037023 A KR 20190037023A KR 1020170126611 A KR1020170126611 A KR 1020170126611A KR 20170126611 A KR20170126611 A KR 20170126611A KR 20190037023 A KR20190037023 A KR 20190037023A
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- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B32B5/18—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 features of a layer of foamed material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
본 발명에 따라 제조된 중앙부가 파형 버블구조(corrugated bubble structure)를 갖는 차량용 내장재는 파형 버블구조(corrugated bubble structure)에 의해 흡음성 및 차음성이 우수하고 뒤틀림 방지의 효과가 있는 우수한 성질의 차량용 내장재이며, 량의 트렁크 매트, 사이드 트림 또는 리어시트 백에 적용되는 내장재에 바람직하다.
Description
도 2는 본 발명에 따른 파형 버블구조를 갖는 차량용 내장재의 단면을 대략적으로 나타낸 도면
시험항목 | 단위 | 시험결과 | 시험방법 | |
중량 | g/㎡ | 1750 | MS 341-09 |
|
인장강도(가로/세로방향) | ㎏f/5㎝ | 26.5/25.7 | ||
내열성 |
인장강도(가로/세로방향) | ㎏f/5㎝ | 23.8/22.9 | |
수출율(가로/세로방향) | % | +0.47/0.15 | ||
압축탄성율 | % | 87 |
시험항목 | 시험결과 | 비고 | |
차음성 |
1,000Hz | 35 | Apamat-II로 투과손실 측정[dB] |
2,000Hz | 37 | ||
3,150Hz | 46 | ||
5,000Hz | 50 | ||
흡음률 | 500, 1000, 2000Hz에서의 평균값 | 0.78 | 감음계수(NRC) |
2 : 파형 버블구조를 갖는 중간층
3 : 기재층
4 : 안내로울러
1a, 3a : 공급로울러
1b : 부직포
2b : 파형 버블시트
3b : 스판본드 부직포
A : 접착제 분사기
B : 접착장치
C : 카팅장치
S : 파형 버블구조의 내장재 원단
Claims (6)
- 표피층(1)으로 부직포층, 중간층(2)으로 파형 버블시트층 및 기재층(3)으로 스판본드 부직포층이 순차 적층된 것을 특징으로 하는 파형 버블구조(corrugated bubble structure)를 갖는 차량용 내장재.
- 청구항1에 있어서, 표피층(1)은 폴리에틸렌테레프탈레이(PET) 섬유 100 중량부 또는 폴리에틸렌테레프탈레이트(PET) 섬유 40 ~ 60중량%, 폴리프로필렌(PP) 섬유 40 ~ 60중량%로 조성된 부직포이고, 중간층(2)은 폴리프로필렌 재질의 파형 버블시트이고, 기재층(3)은 폴리에틸렌테레프탈레이트(PET) 섬유 또는 폴리프로필렌(PP) 섬유로 조성된 스판본드 부직포인 것을 특징으로 하는 파형 버블구조(corrugated bubble structure)를 갖는 차량용 내장재.
- a). 표피층(1)의 부직포를 공급하는 표피층 공급단계와,
b). 중간층(2)의 파형 버블시트를 양면에 접착체를 도포하면서 공급하는 중간층 공급단계와,
c). 기재층(3)의 스판본드 부직포를 공급하는 기재층 공급단계 및
d). 상기 표피층(1), 중간층(2) 및 기재층(3)을 순차 적층 및 접착하는 접착단계를 포함하는 것을 특징으로 하는 파형 버블구조(corrugated bubble structure)를 갖는 차량용 내장재의 제조방법. - 청구항3에 있어서, 표피층(1)의 부직포는 폴리에틸렌테레프탈레이트(PET) 섬유 40 ~ 60중량%, 폴리프로필렌(PP) 섬유 40 ~ 60중량%로 조성된 부직포이고, 중간층(2)은 폴리프로필렌 재질의 파형 버블시트이고, 기재층(3)의 부직포는 폴리에틸렌테레프탈레이(PET) 섬유 또는 폴리프로필렌(PP) 섬유로 조성된 스판본드 부직포인 것을 특징으로 하는 파형 버블구조(corrugated bubble structure)를 차량용 내장재의 제조방법.
- 청구항3 또는 청구항4에 있어서, d). 상기 표피층(1) 중간층(2) 및 기재층(3)를 순차 적층 및 접착하는 접착단계에 추가하여 e). 재단단계 및 f)재단된 원단을 열압착한 다음 금형에 투입하여 냉각 프레스 압착방식에 의해 내장재를 성형하는 성형단계를 포함하는 것을 특징으로 하는 파형 버블구조(corrugated bubble structure)를 차량용 내장재의 제조방법.
- 청구항5에 있어서, 성형된 내장재가 차량의 트렁크 매트, 사이드 트림 또는 리어시트 백에 적용되는 내장재인 것을 특징으로 하는 파형 버블구조(corrugated bubble structure)를 갖는 차량용 내장재의 제조방법.
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KR1020170126611A KR20190037023A (ko) | 2017-09-28 | 2017-09-28 | 파형 버블구조를 갖는 차량용 내장재 및 그 제조방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN118182023A (zh) * | 2024-05-16 | 2024-06-14 | 东营市方兴橡胶有限责任公司 | 一种静音轮胎及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100884210B1 (ko) | 2007-06-20 | 2009-02-18 | 한일이화주식회사 | 자동차 내장재용 기재 |
KR101272552B1 (ko) | 2011-07-06 | 2013-06-11 | 현대자동차주식회사 | 자동차 폐 시트의 폴리우레탄 폼을 이용한 흡차음재 제조 방법 및 그에 의해 제조된 흡차음재 조성물 |
KR101567777B1 (ko) | 2013-12-17 | 2015-11-11 | 한일이화 주식회사 | 경량성 및 성형성이 우수한 차량 내장재용 기재 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100884210B1 (ko) | 2007-06-20 | 2009-02-18 | 한일이화주식회사 | 자동차 내장재용 기재 |
KR101272552B1 (ko) | 2011-07-06 | 2013-06-11 | 현대자동차주식회사 | 자동차 폐 시트의 폴리우레탄 폼을 이용한 흡차음재 제조 방법 및 그에 의해 제조된 흡차음재 조성물 |
KR101567777B1 (ko) | 2013-12-17 | 2015-11-11 | 한일이화 주식회사 | 경량성 및 성형성이 우수한 차량 내장재용 기재 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118182023A (zh) * | 2024-05-16 | 2024-06-14 | 东营市方兴橡胶有限责任公司 | 一种静音轮胎及其制备方法 |
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