KR20020010561A - Manufacture for unflameable foam having with nano ceramic - Google Patents

Manufacture for unflameable foam having with nano ceramic Download PDF

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KR20020010561A
KR20020010561A KR1020010086896A KR20010086896A KR20020010561A KR 20020010561 A KR20020010561 A KR 20020010561A KR 1020010086896 A KR1020010086896 A KR 1020010086896A KR 20010086896 A KR20010086896 A KR 20010086896A KR 20020010561 A KR20020010561 A KR 20020010561A
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glass fiber
flame retardant
foam
retardant foam
organic
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KR1020010086896A
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Korean (ko)
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이택수
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(주) 나노텍
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
    • C08K7/04Fibres or whiskers inorganic
    • C08K7/14Glass
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/01Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/016Flame-proofing or flame-retarding additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00Compositions of epoxy resins; Compositions of derivatives of epoxy resins

Abstract

PURPOSE: A foam molded body is provided, which is fire retardant and is improved in the mechanical strength by using a surface-treated glass fiber and/or a base-treated montmorillonite as a reinforcement. CONSTITUTION: The flame retardant foam molded body is prepared by modifying the surface of glass fiber with a length of 1-10 mm and a thickness of 5-50 micrometers, by the plasma polymerization coating; and adding 10-30 wt% of the surface-modified glass fiber to a phenol novolac-epoxy flame retardant foam. Also the flame retardant foam molded body is prepared by treating montmorillonite with a length of 10 nm to 10 micrometers and a thickness of 10 nm to 10 micrometers by using an organic base; and adding 0.5-1.5 wt% of the base-treated montmorillonite to a phenol novolac-epoxy flame retardant foam.

Description

나노세라믹을 이용한 난연 폼 제조 { Manufacture for unflameable foam having with nano ceramic}Manufacture for unflameable foam having with nano ceramic

기존의 건축산업에서 단열재 등으로 많이 사용되고 있는 스타이렌 폼(foam)은 화재가 발생하였을 경우 열에 약하여 연소되고, 유독 가스를 배출한다. 또한 기계적 강도가 약하여 외부에서 어떤 힘이 작용하면 쉽게 변형되거나 파괴된다.Styrene foam (foam), which is widely used as a heat insulating material in the existing building industry, is weak in heat in case of fire and burns and emits toxic gas. In addition, the mechanical strength is so weak that it is easily deformed or destroyed when an external force is applied.

단열을 목적으로 사용하는 건축자재 중 글래스 울(glass wool)이 있다. 글래스 울은 단섬유를 면상으로 제조한것으로 단열효과 흡음효과가 뛰어나다. 그러나 제습성이 있고, 인체에 좋지 않다는 단점이 있다. 또한 천장재로 많이 사용하고 있는 석고보드는 그 무게가 무겁다는 단점을 가지고 있다.Glass wool is one of the building materials used for insulation purposes. Glass wool is made of short fibers and has excellent thermal insulation and sound absorption. However, there is a disadvantage in that it is dehumidifying and not good for the human body. In addition, gypsum board, which is frequently used as a ceiling material, has the disadvantage that its weight is heavy.

위와 같이 건축용 발포체의 단점을 개선시키고자 본 발명은 페놀 발포에 있어서 무기물 보강제인 유리섬유(길이가 1∼5 mm, 두께가 5 ∼50 ㎛인 단섬유)를 유기물과의 상용성 높여 발포체의 기계적 물성을 증진 시키키 위해 저온 플라즈마를 이용하여 유리섬유의 표면에 유기물을 코팅시키는 플라즈마 중합 코팅으로 표면을 개질시킨 유리섬유, 두께가 약 1 nm인 판상이 약 10-20 개가 적층된 층상구조를 하고 있으며 길이가 10 ㎚ ∼ 10 ㎛이고, 두께가 10 ㎚ ∼ 10 ㎛인 MMT, 또 MMT의 층간인 gallery에는 Na+와 같은 양이온이 존재하는데 알킬암모늄 양이온으로 처리하면 양이온교환 반응에 의해 유기물을 층간에 삽입할 수 있는데 이렇게 해서 유기물을 층간에 삽입한 organic-MMT 등을 첨가함으로써 화재 발생시에 불에 연소되지 않는 난연성을 부여하고, 기계적 강도를 증진시켜서 쉽게 변형되거나 부스러지지 않게 하였다. 그러나 페놀 발포는 그 첨가제의 양, 종류에 따라 그 발포의 여부 및 발포체의 물성이 달라진다.In order to improve the disadvantages of the building foam as described above, the present invention is to increase the compatibility of the glass fiber (short fiber having a length of 1 to 5 mm, thickness of 5 to 50 ㎛) of inorganic reinforcement with organic materials in phenolic foam to increase the mechanical properties of the foam In order to improve the physical properties, glass fiber modified surface by plasma polymerization coating to coat organic material on the surface of glass fiber by using low temperature plasma. In the MMT with a length of 10 nm to 10 μm, the thickness of 10 nm to 10 μm, and the interlayer of MMT, cations such as Na + are present. When treated with alkylammonium cations, organic matter is intercalated by cation exchange reaction. In this way, by adding organic-MMT, etc., in which organic substances are inserted between layers, it imparts flame retardancy that is not burned in the event of a fire and provides mechanical strength. Enhanced so that they do not deform or crumble easily. However, phenol foaming depends on the amount and type of the additive, whether or not the foaming and the physical properties of the foam.

발포하는데 있어서 유화제, 페놀, 노볼락-에폭시(novolac-epoxy), 발포제를 사용하였고, 기계적 강도를 높이기 위해 플라즈마 중합 코팅 시킨 유리섬유(길이가 1∼5 mm, 두께가 5∼50 ㎛인 단섬유)의 양을 10∼30 wt%까지 변화시켰고, 동시에 판상 구조를 하고 있으며 길이가 10 ㎚ ∼ 10 ㎛이고, 두께가 10 ㎚ ∼ 10 ㎛인 MMT을 유기염으로 처리하여 층간에 유기물을 삽입한 organic-MMT를 양을 0.5∼1.5 wt%로 변화시켜가면서 발포하여 난연 폼(foam)을 제조하였다.In the foaming, emulsifier, phenol, novolac-epoxy and foaming agent were used, and glass fiber coated with plasma polymerized coating (1-5 mm in length and 5-50 μm in thickness to increase mechanical strength). ) Was changed to 10 to 30 wt%, had a plate-like structure, and was treated with organic salts of MMT having a length of 10 nm to 10 μm and a thickness of 10 nm to 10 μm with an organic salt to insert organic materials between layers. Fire-retardant foams were prepared by foaming with varying amounts of 0.5-1.5 wt%.

이러한 발명은 건축자재로서 사용되는 스타이렌 폼의 화재시의 연소성, 그래스 울의 제습성, 석고보드의 중량감 등의 종래의 발포체의 문제점을 개선하기 위해 무기물 보강제를 페놀 발포에 첨가하여 난연성을 부여하고, 재료의 무게를 경량화함과 동시에 기계적 강도를 증진시킴으로써 불에 타지 않아 화재 발생시에도 안전하며 또한, 어느 정도의 외부의 힘에도 견딜 수 있어 그 사용의 범위를 넓힐 수 있다. 이를 다음의 실시 예에 따라 상세히 설명하면 다음과 같다.This invention adds a flame retardant by adding an inorganic reinforcing agent to the phenol foam to improve the problems of conventional foams, such as combustibility at the time of fire of the styrene foam used as building materials, dehumidification of grass wool, weight of gypsum board, etc. In addition, by reducing the weight of the material and increasing the mechanical strength, it is not burned and is safe in the event of a fire, and it can withstand a certain amount of external force, thereby widening the range of its use. This will be described in detail according to the following embodiments.

[실시 예 1]Example 1

유화제, 페놀, 노볼락-에폭시(novolac-epoxy), 발포제를 혼합한 것을 발포하여 ASTM D1621에 따라 압축강도를 측정한 결과 1.2 kg/cm2이었다.A mixture of emulsifier, phenol, novolac-epoxy, and foaming agent was foamed to measure the compressive strength according to ASTM D1621, and the result was 1.2 kg / cm 2 .

[실시 예 2]Example 2

[실시 예 1]에서 혼합한 것에 organic-MMT 0.5 wt%와 유리 섬유 10 wt%를 첨가하여 발포하여[실시 예 1]의 조건에 따라 압축강도를 측정한 결과 1.4 kg/cm2이었다. [Example 1] As to the foaming by the addition of organic-MMT 0.5 wt% and 10 wt% glass fiber [Example 1] was the result of 1.4 kg / cm 2 was measured for compressive strength according to the conditions in the mixing.

[실시 예 3]Example 3

[실시 예 1]에서 혼합한 것에 organic-MMT 0.5 wt%와 유리 섬유 20 wt%를 첨가하여 발포하여[실시 예 1]의 조건에 따라 그 압축강도를 측정한 결과 1.7 kg/cm2이었다. [Example 1] As to the foaming by the addition of organic-MMT 0.5 wt% and 20 wt% glass fiber [Example 1] was the result of 1.7 kg / cm 2 as measured according to the compressive strength of the mixture in condition.

[실시 예 4]Example 4

[실시 예 3]에 유리 섬유양을 30 wt%로 변화시켜 발포하였는데 발포가 잘 되지 않았다. In Example 3 , the glass fiber amount was changed to 30 wt%, and foaming was not performed well.

[실시 예 5]Example 5

[실시 예 1]에서 혼합한 것에 organic-MMT 1 wt%와 유리 섬유 10 wt%를 첨가하여 발포하여[실시 예 1]의 조건에 따라 그 압축강도를 측정한 결과 1.6kg/cm2이었다. [Example 1] As to the foaming by the addition of organic MMT-1 wt% and 10 wt% glass fiber [Example 1] was the result of 1.6kg / cm 2 was measured according to the compressive strength of the mixture in condition.

[실시 예 6]Example 6

[실시 예 5]에 유리 섬유양을 20 wt%로 변화시켜 발포하여[실시 예 1]의 조건에 따라 그 압축강도를 측정한 결과 2.1 kg/cm2이었다. In Example 5 , the glass fiber amount was changed to 20 wt% and foamed, and the compressive strength thereof was measured according to the conditions of [Example 1] , and the result was 2.1 kg / cm 2 .

[실시 예 7]Example 7

[실시 예 5]에 유리 섬유양을 30 wt%로 변화시켜 발포하였는데 발포가 잘 되지 않았다. In Example 5 , the glass fiber amount was changed to 30 wt%, and foaming was not performed well.

[실시 예 8]Example 8

[실시 예 1]에서 혼합한 것에 organic-MMT 1.5 wt%와 유리 섬유 10 wt%를 첨가하여 발포하여[실시 예 1]의 조건에 따라 그 압축강도를 측정한 결과 1.58 kg/cm2이었다. [Example 1] As to the foaming by the addition of organic-MMT 1.5 wt% and 10 wt% glass fiber [Example 1] was the result of 1.58 kg / cm 2 as measured according to the compressive strength of the mixture in condition.

[실시 예 9]Example 9

[실시 예 8]에 유리 섬유양을 20 wt%로 변화시켜 발포하여[실시 예 1]의 조건에 따라 그 압축강도를 측정한 결과 1.9 kg/cm2이었다. In Example 8 , the glass fiber amount was changed to 20 wt% and foamed, and the compressive strength thereof was measured according to the conditions of [Example 1] . As a result, it was 1.9 kg / cm 2 .

[실시 예 10]Example 10

[실시 예 8]에 유리 섬유양을 30 wt%로 변화시켜 발포하였는데 전혀 발포가 되지 않았다. In Example 8 , the glass fiber amount was changed to 30 wt% and foamed, but the foam was not foamed at all.

[비교의 예 1][Comparative Example 1]

실시 예 1∼10 에서 측정된 압축강도의 값들을[표 1]에 비교 정리하였다.The compressive strength values measured in Examples 1 to 10 are summarized in [Table 1] .

Organic-MMT 함량(wt%)Organic-MMT Content (wt%) 유리섬유 함량(wt%)Glass fiber content (wt%) 압축강도(kg/cm2)Compressive strength (kg / cm 2 ) -- -- 1.21.2 0.50.5 1010 1.41.4 2020 1.71.7 3030 -- 1One 1010 1.61.6 2020 1.91.9 3030 -- 1.51.5 1010 1.581.58 2020 1.91.9 3030 --

위의 실시 결과 층간에 유기물을 삽입한 organic-MMT 의 첨가는 발포체의 유기물과 층간에 삽입한 유기물이 가교 결합을 일으켜 재료의 기계적 물성을 증가시키고, 그 첨가한 양에 따라 1 wt%일 때 가장 좋은 기계적 물성을 나타냈다. 또한, 플라즈마 중합 코팅 시킨 유리섬유의 첨가는 재료의 전체적인 기계적 강도를 증가시키는 역할을 하는 것으로 판단되며, 첨가한 양이 30 wt%이상일 때에는 발포하는데 영향을 미치는 것으로 조사되었다.As a result of the above implementation, the addition of organic-MMT with intercalation of organic matters is most effective when the organic matters of the foam and the intercalation organic matters crosslink to increase the mechanical properties of the material, and the amount is 1 wt% according to the added amount. Good mechanical properties. In addition, the addition of the glass fiber coated with a plasma polymerization coating is considered to play a role in increasing the overall mechanical strength of the material, it was investigated to affect the foaming when the added amount is more than 30 wt%.

결론적으로 organic-MMT의 첨가는 재료의 강성(stiffness)을 증가시키면서 기계적 물성을 향상시키고, 유리섬유의 첨가는 재료의 전체적인 기계적 물성을 증진시키는 역할을 하는 것으로 본 발명은 페놀 발포체에 organic-MMT와 플라즈마 중합 코팅으로 표면을 개질 시킨 유리 섬유를 첨가함으로서 난연성을 가지고 기계적강도 향상된 고강도 난연폼을 제조할 수 있었다.In conclusion, the addition of organic-MMT improves the mechanical properties while increasing the stiffness of the material, and the addition of glass fiber enhances the overall mechanical properties of the material. By adding glass fiber modified surface by plasma polymerization coating, high strength flame retardant foam with improved flame retardancy and mechanical strength could be prepared.

Claims (2)

플라즈마 중합 코팅으로 표면을 개질시킨 길이 1∼10 mm, 두께가 5∼50 ㎛인 유리섬유를 페놀 노블락-에폭시 난연폼에 10∼30 wt% 첨가하여 만든 난연폼 성형체Flame retardant foam formed by adding 10 to 30 wt% of glass fiber having a length of 1 to 10 mm and a thickness of 5 to 50 μm with a surface modified by a plasma polymerization coating to a phenol nobloc-epoxy flame retardant foam 길이가 10 ㎚ ∼ 10 ㎛이고, 두께가 10 ㎚ ∼ 10 ㎛인 몬모릴로라이트(MMT, montmorillonite)를 유기염으로 처리하고 이것을 페놀 노블락-에폭시 난연폼에 0.5∼1.5 wt% 첨가하여 만든 난연폼 성형체Flame retardant foam formed by treating montmorillonite (MMT, montmorillonite) having a length of 10 nm to 10 μm and a thickness of 10 nm to 10 μm with an organic salt and adding 0.5 to 1.5 wt% of phenol noblec-epoxy flame retardant foam.
KR1020010086896A 2001-12-28 2001-12-28 Manufacture for unflameable foam having with nano ceramic KR20020010561A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07148851A (en) * 1993-11-30 1995-06-13 F Tatsukuru:Kk Production f foamed phenol frp molded product by microwave heating
US6036765A (en) * 1998-04-01 2000-03-14 Southern Clay Products Organoclay compositions and method of preparation
KR20020007234A (en) * 2001-09-18 2002-01-26 이택수 Manufacture for anti-static and high temperature composite panel to include nano particle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07148851A (en) * 1993-11-30 1995-06-13 F Tatsukuru:Kk Production f foamed phenol frp molded product by microwave heating
US6036765A (en) * 1998-04-01 2000-03-14 Southern Clay Products Organoclay compositions and method of preparation
KR20020007234A (en) * 2001-09-18 2002-01-26 이택수 Manufacture for anti-static and high temperature composite panel to include nano particle

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