KR20050036115A - Producing method of polyster absorptive material - Google Patents
Producing method of polyster absorptive material Download PDFInfo
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- KR20050036115A KR20050036115A KR1020030071689A KR20030071689A KR20050036115A KR 20050036115 A KR20050036115 A KR 20050036115A KR 1020030071689 A KR1020030071689 A KR 1020030071689A KR 20030071689 A KR20030071689 A KR 20030071689A KR 20050036115 A KR20050036115 A KR 20050036115A
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- polyester
- absorbing material
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- 238000000034 method Methods 0.000 title claims description 14
- 239000000463 material Substances 0.000 title description 10
- 229920000728 polyester Polymers 0.000 claims abstract description 48
- 239000000835 fiber Substances 0.000 claims abstract description 34
- 239000011358 absorbing material Substances 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 8
- 238000007639 printing Methods 0.000 claims abstract description 6
- 238000003475 lamination Methods 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims abstract description 3
- 230000008569 process Effects 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007651 thermal printing Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 238000011481 absorbance measurement Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000000834 fixative Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007803 itching Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
Classifications
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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
-
- 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
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B38/04—Punching, slitting or perforating
-
- 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
- B32B38/14—Printing or colouring
- B32B38/145—Printing
-
- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
- B32B5/12—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 structural features of a fibrous or filamentary layer characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
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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
- 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
- B32B38/04—Punching, slitting or perforating
- B32B2038/042—Punching
-
- 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
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- 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
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/02—Temperature
-
- 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
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/04—Time
-
- 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
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/12—Pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Building Environments (AREA)
Abstract
본 발명은 폴리에스테르 섬유로 된 폴리에스테르 흡음재에 관한 것으로서, 특히 표면 평활성을 개선하고 고객의 주문에 맞는 문양과 실사의 사진을 프린팅하여 미관성을 향상시킨 폴리에스테르 흡음재를 제공하는 것을 목적으로 한 것이다.The present invention relates to a polyester sound-absorbing material made of polyester fiber, and more particularly, to provide a polyester sound-absorbing material having improved aesthetics by improving surface smoothness and printing a pattern and a photo of a photo that is tailored to a customer's order. .
본 발명은 주제인 폴리에스테르 섬유의 구성을 저융점 폴리에스테르 45~55 중량%와 섬도가 다른 2종의 일반폴리에스테르를 각각 20~30 중량%씩 사용하며, 섬유배향도가 각각 다른 여러개의 웹을 적층 및 니들펀칭 후 열프레스가공과 전사가공을 함께 실시하는 것을 특징으로 한 폴리에스테르 흡음재 제조법에 관한 것이다. The present invention uses the composition of the main polyester fiber 45 ~ 55% by weight of low-melting polyester and 20 to 30% by weight of two kinds of ordinary polyester of different fineness, respectively, a plurality of different web orientation It relates to a polyester sound-absorbing material manufacturing method characterized by performing a combination of hot pressing and transfer processing after lamination and needle punching.
Description
본 발명은 건물(회의실, 호텔, 음악연주실 등), 자동차 및 도로용 방음벽에 이용되는 폴리에스테르 흡음재에 관한 것으로, 더욱 상세하게는 의류 및 산업용으로 널리 사용되고 있는 폴리에스테르 섬유를 이용하여 흡음성능이 우수하며 시공시 보호장구가 필요 없고 운송 및 시공이 편리하며 표면의 평활성 개선과 함께 미관성을 향상시킨 폴리에스테르 흡음재 제조방법에 관한 것이다. The present invention relates to a polyester sound-absorbing material used for soundproof walls for buildings (meeting rooms, hotels, music performance rooms, etc.), automobiles and roads. More specifically, the sound-absorbing performance is improved by using polyester fibers which are widely used in clothing and industrial applications. The present invention relates to a method for producing a polyester sound absorbing material which is excellent, does not need protective equipment for construction, is convenient for transportation and construction, and improves aesthetics with improved surface smoothness.
기계문명이 발달해 감에 따라 각종 교통수단과 산업기계 사용에 따른 소음 발생은 심각한 공해문제를 야기하고 있다. 현재까지 알려진 소음공해를 해소시키는 최선의 방법은 소음원에서 발생하는 소음을 줄이는 것으로 기계적인 개선이 필요하나 운전조건이나 운전비용 및 효율 등과 서로 맞물려 개선범위는 사실상 제한을 받고 있다. As mechanical civilization develops, noise generated by various means of transportation and industrial machines causes serious pollution problems. The best way to solve the noise pollution known up to now is to reduce the noise generated from the noise source, which requires mechanical improvement. However, the range of improvement is practically limited by interlocking with operating conditions, operating cost and efficiency.
따라서 소음원에서 발생되는 소음을 줄이는 방법이외에 소음 전파의 흡음 또는 차단에 의한 소음문제 해결을 위하여 다공성 재료를 이용하는 흡음재가 널리 알려져 있다. 현재 흡음재로 사용되고 있는 다공성 재료로서는 유리섬유, 암면 및 합성수지 발포체등이 알려져 있다. 그러나 유리섬유, 암면을 소재로 하는 흡음재의 경우, 유리섬유는 대기 노출시 풍화작용에 의한 미립자의 발생으로 대기 오염을 일으킬 수 있으며, 폐기 처리시 재사용 및 소각처리가 어려운 단점이 있다. 뿐만 아니라 섬유간의 결합력이 약하여 운반 및 취급시 파손 우려가 있고, 시공시 작업자의 땀 또는 습기에 의해 미립자가 피부에 접촉되어 가려움, 알레르기의 현상이 유발되므로 보호장구가 필요한 문제점을 갖고 있다. Therefore, in addition to the method of reducing the noise generated from the noise source, a sound absorbing material using a porous material is widely known to solve the noise problem by the sound absorption or blocking of noise propagation. As porous materials currently used as sound absorbing materials, glass fibers, rock wool and synthetic resin foams are known. However, in the case of a sound absorbing material made of glass fiber or rock wool, the glass fiber may cause air pollution due to generation of fine particles by weathering when exposed to the air, and it is difficult to reuse and incinerate during disposal. In addition, there is a risk of breakage during transport and handling due to the weak bonding force between the fibers, and the protective equipment is required because the particles are in contact with the skin due to sweat or moisture of the operator during construction, causing itching, allergies.
미국특허 제5,304,415호의 흡음재는 폴리에스테르 부직포에 칼슘실리케이트 실리카 및 미카(mica)등의 다공성 미립자를 내부에 함유시켜 저주파 영역의 흡음성을 증가시키고 있으나, 음파가 통과하는 기공 부위에 미립자들이 위치하여야 흡음성능을 증가 시킬 수 있는 단점을 가지고 있으며 또한 입자가 고정성이 없어 이탈되기 쉬우므로 일정 기간이 경과되면 흡음성능이 저하되는 단점이 있다. The sound absorbing material of U.S. Patent No. 5,304,415 contains the porous particles such as calcium silicate silica and mica in the polyester nonwoven fabric to increase the sound absorption in the low frequency region, but the sound absorption performance is only required when the fine particles are located in the pore area through which sound waves pass. It has a disadvantage that can increase and also has a disadvantage that the sound absorption performance is deteriorated after a certain period of time because the particles are not easily fixed and easy to escape.
또한, 미국특허 제4,056,161호의 흡음재는 기존의 유리면 재질의 흡음재 한쪽면에 시공시의 취급 용이성과 우천시의 수분에 의한 흡음재의 쳐짐을 방지할 목적으로 폴리염화비닐커버를 입혀 이러한 단점을 보완하고 있으나, 방음시 음 반사에 의한 흡음성 저하와 제조가격이 상승하게 되는 결점이 있다. In addition, the sound absorbing material of U.S. Patent No. 4,056,161 compensates for these disadvantages by coating a polyvinyl chloride cover on one side of the existing sound absorbing material of glass surface to prevent sagging of the sound absorbing material due to ease of handling during construction and moisture in rainy weather. There is a drawback that the sound absorption decreases due to sound reflection and the manufacturing price increases when soundproofing.
한편, 일반적으로 극장등의 공공장소의 흡음설비를 시공함에 있어, 그간 주로 사용되어왔던 유리면 압축보드 또는 우레탄폼의 표면에 방염처리된 마감직물을 사용하여 왔으나, 원가절감 및 제품다양화의 일환으로 직물의 마감없이 한번에 흡음시공과 마감시공을 동시에 실시할 수 있는 방안이 여러 가지 방법으로 실시되어지고 있다. 이에 적합한 제품을 위해서는 미관적인 부분의 보완과 더불어 소방법적인 부분의 난연2급의 확보가 가장 중요한 선결조건으로 요구되고있다. On the other hand, in the construction of sound-absorbing facilities in public places such as theaters, the use of flame-retardant finish fabrics on glass surface compression boards or urethane foams, which have been mainly used in the past, has been used as part of cost reduction and product diversification. There are various ways to carry out sound absorption and finishing at the same time without finishing fabric. For the suitable product, securing the flame retardant level 2 in the small-law method and supplementing the aesthetics is required as the most important prerequisite.
본 발명은 일반의 프랭카드제조에 사용되는 전사프린트 공법을 사용하여 기존 폴리에스터 흡음보드의 불량한 표면의 평활성을 개선하고 원사의 염색에 의한 표면 색상의 불균일을 개선하고 사용용도별 특성을 살릴수 있는 실사의 사진을 전사하여 보다 다양한 장소에 사용가능한 폴리에스터 흡음재의 제공을 그 목적으로 한 것이다. The present invention improves the poor surface smoothness of the existing polyester sound-absorbing board by using the transfer printing method used in the manufacture of the general Frankcard, improve the unevenness of the color of the surface by dyeing yarn and make use of the characteristics of each application It is an object of the present invention to provide a polyester sound-absorbing material that can be transferred to more various places.
본 발명은 또한 흡음효과가 우수하고 취급 및 시공이 편리할 뿐만 아니라 평활성이 향상되고 미관적으로 우수한 장점을 지닌 폴리에스테르 흡음재를 제공하는 것을 또다른 목적으로 한 것이다. It is another object of the present invention to provide a polyester sound absorbing material having excellent sound absorption effect, convenient handling and construction, as well as improved smoothness and aesthetically superior advantages.
본 발명은 상기 목적을 달성하는 일방법으로 저융점 폴리에스테르 섬유를 섬유소 고정제로 하여 일반 폴리에스테르 섬유와 일정비율로 혼합하고, 혼합된 폴리에스테르 섬유를 적층함에 있어 섬유배향도가 다른 웹을 복수층으로 적층하고 열프레스 가공을 실시하여 평활성을 부여시 흡음성 향상을 위하여 표면 또는 표이면에 실사의 문양 및 사진을 프린트가공을 실시하는 것을 특징으로 하는 폴리에스테르 흡읍재 제조방법을 개시한다.The present invention is a method for achieving the above object by mixing a low melting point polyester fiber as a fiber fixing agent in a certain ratio with the general polyester fiber, and in stacking the mixed polyester fibers in a web with a plurality of layers of different fiber orientation Disclosed is a method for producing a polyester suction material, which comprises laminating and performing a heat press process to print a pattern and a photograph of a live image on a surface or a surface to improve sound absorption upon imparting smoothness.
이하에서 본 발명을 좀 더 구체적으로 설명한다.Hereinafter, the present invention will be described in more detail.
본 발명은 섬유 굵기가 3∼10데니어이고 섬유장이 30∼80㎜인 저융점 폴리에스테르 섬유 45∼55중량%와, 섬유굵기가 10∼15데니어이고 섬유장이 51∼81㎜인 일반 폴리에스테르 섬유 20~30중량%와 섬유 굵기가 3~5데니어이고 섬유장이 51~81㎜인 일반 폴리에스테르 섬유 20~30중량%로 구성된 폴리에스테르 섬유를 섬유 배향도를 다르게 한 여러개의 웹을 적층 및 미들펀칭후 표면에 온도 90~150℃, 압력 1.1~4.9㎏/㎠의 조건하에서 열프레스 가공을 실시하여 평활성을 부여하며, 또한 상기 열프레스 가공시 전사프린트지를 삽입하여 실사의 문양 및 사진을 프린트하여 미관성을 개선한 것을 특징으로한 것이다. The present invention is 45 to 55% by weight low-melting polyester fibers having a fiber thickness of 3 to 10 deniers and 30 to 80 mm, and general polyester fibers 20 having a fiber thickness of 10 to 15 deniers and 51 to 81 mm Surface after lamination and middle punching of several webs with different fiber orientations of polyester fiber composed of 20-30% by weight of polyester fiber composed of ~ 30% by weight and fiber thickness of 3 to 5 denier and 51 to 81 mm Heat press processing under the condition of temperature of 90 ~ 150 ℃ and pressure of 1.1 ~ 4.9㎏ / ㎠ to give smoothness. It is characterized by an improvement.
본 발명에서 섬유소 고정제로 사용되는 저융점 폴리에스테르 섬유의 굵기가 3데니어 보다 적으면 웹 제조시 카딩성 불량으로 넵(Nep)이 발생하고, 10데니어를 초과하면 흡음재의 흡음성이 저하되는 현상이 일어나서 바람직하지 못하고, 저융점 폴리에스테르의 함량이 45중량% 미만인 경우에는 흡음재내의 결합력 부족으로 인하여 내구성 및 웹조직의 강도 저하가 발생하고, 프린트 가공이 어려워지는 문제가 발생하고 55중량% 초과하는 경우에는 표면의 매끄러움 증가로 소음이 흡음재 내부로 침투하기 어려워 흡음율이 떨어지게 되는 결점이 발생하게 되므로 저융점 폴리에스테르 섬유는 45∼55중량%, 섬도가 10~15 데니어이고 섬유장이 51~81㎜인 일반 폴리에스테르 섬유와 섬도가 3~5 데니어이고 섬유장이 51~81㎜인 일반 폴리에스테르 섬유는 각각 20~30중량%로 혼합하는 것이 바람직하다. In the present invention, if the thickness of the low-melting polyester fiber used as the fiber fixative is less than 3 denier, Nep is generated due to poor carding property during web manufacturing, and when the denier exceeds 10 denier, the sound absorbency of the sound absorbing material decreases. If the content of the low-melting polyester is less than 45% by weight, the durability and the strength of the web structure decrease due to the lack of bonding strength in the sound absorbing material, and the problem that the print processing becomes difficult occurs and exceeds 55% by weight. As the smoothness of the surface increases, it is difficult for noise to penetrate into the sound absorbing material, resulting in a defect that the sound absorption rate decreases. Thus, low-melting polyester fiber is 45 to 55% by weight, fineness of 10 to 15 denier and 51 to 81 mm long fiber. 20-30% by weight of polyester fibers and general polyester fibers having a fineness of 3 to 5 deniers and a fiber length of 51 to 81 mm, respectively To mix being preferred.
한편, 본 발명의 특징부의 하나인 프린트 가공 공정에서 표면 또는 표이면에 프린트 되는 실사의 문양 또는 사진 1~4도 사이의 것이 바람직하다. On the other hand, in the print processing process which is one of the characteristics of this invention, it is preferable that it is between the pattern of the real yarn printed on the surface or the back surface, or between 1-4 degrees of photographs.
이하 본 발명을 실시예에 의하여 좀더 상세히 설명하면 다음과 같다. Hereinafter, the present invention will be described in more detail with reference to Examples.
〈비교예 1〉<Comparative Example 1>
직경 5데니어, 길이 76mm의 일반 폴리에스테르 화이바를 40wt%, 직경 15데니어, 길이 76mm의 일반 폴리에스테르 화이바 25wt%와 직경 3데니어, 길이 76㎜인 저융점 폴리에스테르 화이바 50wt%를 혼합하여 일반의 카드기로 적층하여 밀도 200K(㎏/㎥), 두께 9T(㎜)의 폴리에스테르 흡음재를 제조하였다. 이와 같이 주제의 폴리에스테르 흡음재를 제조후 그표면 또는 표이면에 건축물의 특성에 부합하는 실사의 문양을 프린트 색상을 4도로하여 90℃의 저압(1kg/㎠) 열프레스로 전사프린팅하여 표면의 평활성 개선과 마감재로의 미관을 향상 시킨 폴리에스테르 흡음재를 제조하였으며, 이때의 흡음특성 및 물성을 표1에 나타내었다. Standard card is made by mixing 40wt% of ordinary polyester fiber with diameter of 5 denier and 76mm length, 25wt% of ordinary polyester fiber with diameter of 15 denier and length of 76mm, and 50wt% of low melting point polyester fiber with diameter of 3 denier and 76mm length Lamination | stacking was carried out and the polyester sound absorption material of density 200K (kg / m <3>) and thickness 9T (mm) was manufactured. Thus, after producing the polyester absorbent material of the subject, the surface of the surface or the surface is printed on the surface of the live-action according to the characteristics of the building by printing the printing color at 4 degrees with low pressure (1kg / ㎠) heat press at 90 ° C to make the surface smooth. The polyester sound absorbing material with improved appearance and improved aesthetics was prepared. Table 1 shows the sound absorption and physical properties.
〈실시예 1〉<Example 1>
비교예 1과 같이 주제의 폴리에스테르 흡음재를 제조후 그표면 또는 표이면에 건축물의 특성에 부합하는 실사의 문양을 120℃의 온도와 1.1kg/㎠의 압력조건하의 열프레스로 전사프린팅하되, 이때 프린팅 색상은 4도의 컬러잉크를 사용하여 표면의 평활성 개선과 마감재로의 미관을 향상 시킨 폴리에스테르 흡음재를 제조하였으며, 이때의 흡음특성 및 물성을 표1에 나타내었다. After manufacturing the polyester sound absorbing material of the main subject as in Comparative Example 1, the pattern of the live-action according to the characteristics of the building is printed on the surface or the surface by heat press under the temperature of 120 ℃ and the pressure of 1.1kg / ㎠, The printing color is a polyester sound absorbing material using the color ink of 4 degrees to improve the smoothness of the surface and aesthetic appearance to the finishing material was prepared, the sound absorption properties and physical properties are shown in Table 1.
〈실시예 2〉<Example 2>
실시예 1과 같이 주제의 폴리에스테르 흡음재를 제조후 그표면 또는 표이면에 건축물의 특성에 부합하는 실사의 문양 및 사진을 120℃의 온도와 4.9kg/㎠의 압력조건하의 열프레스로 전사프린팅하여 표면의 평활성 개선과 마감재로의 미관을 향상 시킨 폴리에스테르 흡음재를 제조하였으며, 이때의 흡음특성 및 물성을 표1에 나타내었다. As in Example 1, the polyester sound absorbing material of the subject was manufactured, and then printed on the surface or the surface of the photorealistic pattern and photographs according to the characteristics of the building by thermal printing under a temperature of 120 ° C. and a pressure condition of 4.9 kg / cm 2. A polyester sound absorbing material was prepared to improve the smoothness of the surface and improve the aesthetics of the finish. Table 1 shows the sound absorption and physical properties.
〈비교예 2〉<Comparative Example 2>
비교예 1과 같이 주제의 폴리에스테르 흡음재를 제조후 그표면 또는 표이면에 건축물의 특성에 부합하는 실사의 문양 및 사진을 150℃의 온도와 1kg/㎠의 압력조건하의 열프레스로 전사프린팅하여 표면의 평활성 개선과 마감재로의 미관을 향상 시킨 폴리에스테르 흡음재를 제조하였으며, 이때의 흡음특성 및 물성을 표1에 나타내었다. After manufacturing the polyester absorbent material of the main subject as in Comparative Example 1, the surface and surface of the surface of the real-life pattern and photographs that meet the characteristics of the building are transferred and printed by heat press under 150 ℃ temperature and 1kg / ㎠ pressure condition. To improve the smoothness and improve the appearance of the finished polyester sound absorbing material was prepared, the sound absorption properties and physical properties are shown in Table 1.
〈비교예 3〉<Comparative Example 3>
비교예 1과 같이 주제의 폴리에스테르 흡음재를 제조후 그표면 또는 표이면에 건축물의 특성에 부합하는 실사의 문양 및 사진을 150℃의 온도와 5kg/㎠ 압력조건하의 열프레스로 전사프린팅하여 표면의 평활성 개선과 마감재로의 미관을 향상 시킨 폴리에스테르 흡읍재를 제조하였으며, 이때의 흡음특성 및 물성은 표1과 같다.After the polyester sound absorbing material of the subject is manufactured as in Comparative Example 1, the surface of the surface or surface is transferred by thermal printing under the condition of 150 ℃ and 5kg / ㎠ pressure to print the pattern and photograph of the live action that meets the characteristics of the building. A polyester absorbing material was prepared, which improved smoothness and improved aesthetics as a finishing material.
상기 실시예 및 비교예들에서 얻어진 흡읍재의 흡음율 측정 , 잔향시간 측정은 하기 방법에 의해 실시하였다.The sound absorption rate measurement and the reverberation time measurement of the suction material obtained in the above Examples and Comparative Examples were carried out by the following method.
흡음재의 흡음율 측정 방법Sound absorption rate measurement method of sound absorption material
흡음율 측정 방법은 한국공업규격 KS F 2805의 "잔향실내의 흡음율 측정방 법"을 기준으로 측정하였다. Sound absorbance measurement method was measured based on the "Method of measuring sound absorption in reverberation chamber" of Korean Industrial Standard KS F 2805.
시료 및 설치방법Sample and installation method
시료면적; 12㎡, 밀도:20K(kg/㎥), 두께; 80T(mm)의 시료를 잔향실 벽체로 부터 1m이상 떨어진 잔향실 바닥 중앙에 설치 하였다.Sample area; 12 m 2, density: 20 K (kg / m 3), thickness; A sample of 80T (mm) was installed in the center of the reverberation chamber floor at least 1m away from the reverberation chamber wall.
잔향시간의 측정Reverberation time measurement
- 잔향시간의 측정은 잔향실내 수음점을 25곳 설치 하였고, 주파수별 측정회수는 그 합계가 아래와 같다. -The measurement of the reverberation time was carried out with 25 reverberation points in the reverberation room, and the total number of measurements per frequency is as follows.
- 잔향실법 흡음율의 산출: 잔향실법 흡음율은 잔향시간의 평균치로부터 아래 식에 따라 구한다. -Calculation of reverberation chamber sound absorption rate: The reverberation chamber sound absorption rate is calculated from the average value of reverberation time according to the following formula.
=(55.3V/cS)×(1/T1-1/T2) = (55.3 V / cS) x (1 / T1-1 / T2)
α: 잔향실법 흡음율 α: reverberation chamber method
V : 잔향실 용적(㎥)V: Reverberation chamber volume (㎥)
T1 : 시료를 넣은 상태에서의 잔향시간(s)T1: Reverberation time (s) with sample
T2 : 시료를 넣지않은 상태에서의 잔향시간(s)T2: Reverberation time (s) without sample
S : 시료면적(㎡)S: sample area (㎡)
c : 공기중의 음속(m/s) c=331.5+0.6t c: Sound velocity in air (m / s) c = 331.5 + 0.6t
t : 공기의 온도(℃ ) t: temperature of air (℃)
상기 실시예 및 비교예에서 확인되듯이, 본 발명에 따라 제조된 폴리에스테르 흡음재는 흡음효과가 우수하며 취급 및 시공이 편리할 뿐만 아니라 표면의 평활성 개선과 각종 마감용 흡음재로 사용하기위해 전사공법에 의한 실사의 문양 및 사진을 프린트하여 미관을 개선시킬 수 있는 등의 장점을 지닌다.As confirmed in the above examples and comparative examples, the polyester sound absorbing material prepared according to the present invention has excellent sound absorbing effect and is easy to handle and install, and also improves the smoothness of the surface and is used as a sound absorbing material for various finishes. Due to the pattern of the due diligence and pictures can be printed to improve the aesthetics.
도 1DMS 본 발명의 폴리에스테르 흡음재의 흡음율 측정 시스템 구성도이다. It is a block diagram of the sound absorption rate measurement system of the polyester sound absorption material of this invention.
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
3: 소잔향실 4: 대잔향실3: small reverberation chamber 4: large reverberation chamber
5: 시료 5: sample
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