JP2003073526A - Heating type foaming agent, foamed resin composition and foamed resin sheet using the same and method for producing foamed resin sheet - Google Patents

Heating type foaming agent, foamed resin composition and foamed resin sheet using the same and method for producing foamed resin sheet

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Publication number
JP2003073526A
JP2003073526A JP2001262685A JP2001262685A JP2003073526A JP 2003073526 A JP2003073526 A JP 2003073526A JP 2001262685 A JP2001262685 A JP 2001262685A JP 2001262685 A JP2001262685 A JP 2001262685A JP 2003073526 A JP2003073526 A JP 2003073526A
Authority
JP
Japan
Prior art keywords
foamed resin
resin
foaming agent
resin composition
heating type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP2001262685A
Other languages
Japanese (ja)
Inventor
Tomoe Nakajima
知恵 中嶋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyo Holdings Co Ltd
Original Assignee
Taiyo Ink Mfg Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taiyo Ink Mfg Co Ltd filed Critical Taiyo Ink Mfg Co Ltd
Priority to JP2001262685A priority Critical patent/JP2003073526A/en
Publication of JP2003073526A publication Critical patent/JP2003073526A/en
Withdrawn legal-status Critical Current

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  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a heating type foaming agent having good foam stability for affording a uniform size of foam, a foamed resin composition and a foamed resin sheet and a method for producing the foamed resin sheet. SOLUTION: This heating type foaming agent is characterized as consisting essentially of a melamine-modified phenol resin and silicone particles. The foamed resin composition is characterized as comprising the heating type foaming agent and a thermosetting resin. The foamed resin sheet having the uniform size of cells in a film and excellent adhesion to a substrate can be provided according to the constitution.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、加熱型発泡剤、お
よびそれを用いた発泡樹脂組成物と発泡樹脂シート、な
らびに発泡樹脂シートの製造方法に関するものである。
TECHNICAL FIELD The present invention relates to a heating type foaming agent, a foamed resin composition and a foamed resin sheet using the same, and a method for producing a foamed resin sheet.

【0002】[0002]

【従来の技術】 従来、発泡樹脂組成物に用いる発泡
剤としては、尿素系やメラミン系、ジシアンジアミド系
の化合物、有機アミン類、無機アンモニウム類の加熱に
より窒素ガスを発生する窒素原子含有化合物が広く知ら
れている(特開平2-298564号、特開平6-248200号公報参
照)。
2. Description of the Related Art Conventionally, as a foaming agent used for a foamed resin composition, urea-based compounds, melamine-based compounds, dicyandiamide-based compounds, organic amines, and nitrogen atom-containing compounds that generate nitrogen gas by heating inorganic ammonium have been widely used. It is known (see JP-A-2-298564 and JP-A-6-248200).

【0003】また、発泡樹脂組成物は、電子材料や車
両、船舶、自動車部品、建築材料等において、衝撃吸収
材や振動吸収材、スペーサー等として用途が広がってお
り、各用途に応じた発泡樹脂組成物が提案されている。
The foamed resin composition is widely used as an impact absorbing material, a vibration absorbing material, a spacer, etc. in electronic materials, vehicles, ships, automobile parts, building materials, etc. Compositions have been proposed.

【0004】特に、電子材料の用途では、発泡後におけ
る塗膜中の気泡の大きさが不均一であると、下地との密
着性ならびに衝撃や振動の吸収特性がばらつき、電子部
品の信頼性を損ねるおそれがあった。そのため、最近で
は整泡性の良好な発泡樹脂組成物が求められている。
In particular, in the use of electronic materials, if the size of the bubbles in the coating film after foaming is non-uniform, the adhesion to the substrate and the shock and vibration absorption characteristics will vary, and the reliability of electronic parts will be improved. There was a risk of damage. Therefore, recently, a foamed resin composition having a good foam control property has been demanded.

【0005】[0005]

【発明が解決しようとする課題】そこで本発明は、かか
る要求に応えるべくなされたものであり、その主たる目
的は、発泡の大きさが均一となる整泡性の良好な加熱型
発泡剤を提供することにある。また本発明の他の目的
は、塗膜中の気泡の大きさが均一で、下地との密着性に
優れる、整泡性の良好な発泡樹脂組成物を提供すること
にある。さらに本発明の他の目的は、塗膜中の気泡の大
きさが均一で、下地との密着性に優れる、発泡樹脂シー
トとその製造方法を提供することにある。
Therefore, the present invention has been made in order to meet such a demand, and a main object thereof is to provide a heat-type foaming agent having a uniform foam size and good foam-stabilizing property. To do. Another object of the present invention is to provide a foamed resin composition in which the size of the bubbles in the coating film is uniform, the adhesion to the substrate is excellent, and the foam control property is good. Still another object of the present invention is to provide a foamed resin sheet having a uniform size of bubbles in a coating film and excellent in adhesion to a substrate, and a method for producing the same.

【0006】[0006]

【課題を解決するための手段】発明者は、上記目的を実
現するために鋭意研究した結果、発泡剤として、メラミ
ン変性フェノール樹脂とシリコーン粒子を組合わせて用
いることにより、整泡性に優れる発泡樹脂組成物が得ら
れることを突き止め、本発明を完成するに至った。即
ち、本発明の加熱型発泡剤は、メラミン変性フェノール
樹脂とシリコーン粒子を必須成分として含むことを特徴
とする。好ましい態様は、前記シリコーン粒子が球状で
ある。
Means for Solving the Problems As a result of intensive studies conducted by the inventor in order to achieve the above object, the use of a combination of a melamine-modified phenol resin and silicone particles as a foaming agent results in foaming having excellent foam-stabilizing properties. The inventors have determined that a resin composition can be obtained, and completed the present invention. That is, the heating type foaming agent of the present invention is characterized by containing a melamine-modified phenol resin and silicone particles as essential components. In a preferred embodiment, the silicone particles are spherical.

【0007】本発明の発泡樹脂組成物は、熱硬化性樹
脂、メラミン変性フェノール樹脂とシリコーン粒子を必
須成分とする加熱型発泡剤を含むことを特徴とする。好
ましい態様は、シリコーン粒子が球状であり、熱硬化性
樹脂がエポキシ樹脂、より好ましくはリン含有エポキシ
樹脂である。
The foamed resin composition of the present invention is characterized by containing a thermosetting resin, a melamine-modified phenolic resin, and a heating type foaming agent containing silicone particles as essential components. In a preferred embodiment, the silicone particles are spherical and the thermosetting resin is an epoxy resin, more preferably a phosphorus-containing epoxy resin.

【0008】本発明の発泡樹脂シートは、熱硬化性樹
脂、メラミン変性フェノール樹脂とシリコーン粒子を必
須成分とする加熱型発泡剤を含む樹脂組成物をシート状
に発泡成型させてなることを特徴とする。好ましい態様
は、シリコーン粒子が球状であり、熱硬化性樹脂がエポ
キシ樹脂、より好ましくはリン含有エポキシ樹脂であ
る。
The foamed resin sheet of the present invention is characterized in that a resin composition containing a thermosetting resin, a melamine-modified phenolic resin and a heating type foaming agent containing silicone particles as essential components is foamed and molded into a sheet shape. To do. In a preferred embodiment, the silicone particles are spherical and the thermosetting resin is an epoxy resin, more preferably a phosphorus-containing epoxy resin.

【0009】本発明にかかる発泡樹脂シートの製造方法
は、基材上に、熱硬化性樹脂、メラミン変性フェノール
樹脂とシリコーン粒子を必須成分とする加熱型発泡剤を
含む樹脂組成物を塗布し、50℃以上200℃以下の温度で
加熱して発泡させシート状に成型させてなることを特徴
とする。
In the method for producing a foamed resin sheet according to the present invention, a base material is coated with a resin composition containing a thermosetting resin, a melamine-modified phenolic resin, and a heating type foaming agent containing silicone particles as essential components, It is characterized in that it is formed by heating at a temperature of 50 ° C. or higher and 200 ° C. or lower and foaming it into a sheet.

【0010】[0010]

【発明の実施の形態】本発明の加熱型発泡剤は、メラミ
ン変性フェノール樹脂とシリコーン粒子を必須成分とし
て含むことを特徴とする。これにより、メラミン変性フ
ェノール樹脂は加熱型発泡剤として機能し、シリコーン
粒子は整泡剤として機能する。その結果、整泡性の良好
な発泡樹脂組成物を得ることができる。なお、メラミン
変性フェノール樹脂またはシリコーン粒子単独では、良
好な発泡体を得ることはできなかった。
BEST MODE FOR CARRYING OUT THE INVENTION The heating type foaming agent of the present invention is characterized by containing a melamine-modified phenol resin and silicone particles as essential components. Thereby, the melamine-modified phenol resin functions as a heating type foaming agent, and the silicone particles function as a foam stabilizer. As a result, it is possible to obtain a foamed resin composition having good foam control. A good foam could not be obtained with the melamine-modified phenolic resin or the silicone particles alone.

【0011】ここで、メラミン変性フェノール樹脂とし
ては、例えば、下記構造式で示されるようなメラミン変
性フェノールノボラック樹脂(大日本インキ化学工業社
製ATN樹脂、ジャパンエポキシレジン社製エピキュアYLH
816,YLH828)がある。なかでも、分解容易な窒素の含有
率が高い樹脂が好ましい。これは、窒素含有率が高い方
が発泡性に優れているからである。
Examples of the melamine-modified phenol resin include melamine-modified phenol novolac resins represented by the following structural formulas (ATN resin manufactured by Dainippon Ink and Chemicals, Inc., Epicure YLH manufactured by Japan Epoxy Resins Co., Ltd.).
816, YLH828). Above all, a resin having a high nitrogen content which is easily decomposed is preferable. This is because the higher the nitrogen content, the better the foamability.

【化1】 [Chemical 1]

【0012】シリコーン粒子は、その形状によって球状
フィラーと球状以外のフィラーに分類される。球状以外
のフィラーとしては、例えば針状、板状、燐片状、中空
状、不定形、六角状、キュウビック状、薄片状等のもの
が挙げられる。特に本発明では、整泡性という点から球
状フィラーが好ましい。
Silicone particles are classified into spherical fillers and non-spherical fillers according to their shape. Examples of fillers other than spherical include needle-shaped, plate-shaped, scaly, hollow, amorphous, hexagonal, cubic, flaky and the like. In the present invention, a spherical filler is particularly preferable from the viewpoint of foam regulation.

【0013】また、シリコーン粒子は、均一な発泡を得
るためには、粒径が均一なものが好ましい。その平均粒
径は、500μm以下、好ましくは1〜50μmとす
る。この理由は、500μmを超えると樹脂分との混合
が困難だからである。
The silicone particles preferably have a uniform particle size in order to obtain uniform foaming. The average particle size is 500 μm or less, preferably 1 to 50 μm. The reason is that if it exceeds 500 μm, it is difficult to mix it with the resin component.

【0014】このシリコーン粒子の配合量は、組成物の
全樹脂分に対して5〜500部、好ましくは50〜30
0部が好ましい。この理由は、5部未満ではシリコーン
粒子の含有量が充分でないために優れた整泡性が得られ
ず、500部を超えると樹脂分との混合が困難となるか
らである。
The amount of the silicone particles blended is 5 to 500 parts, preferably 50 to 30 parts, based on the total resin content of the composition.
0 part is preferred. The reason for this is that if the amount is less than 5 parts, excellent foam-stabilizing properties cannot be obtained because the content of silicone particles is not sufficient, and if it exceeds 500 parts, mixing with the resin component becomes difficult.

【0015】次に、本発明の発泡樹脂組成物は、熱硬化
性樹脂、メラミン変性フェノール樹脂とシリコーン粒子
を必須成分とする加熱型発泡剤を含むこと、即ち、熱硬
化性樹脂と前述した加熱型発泡剤を配合した点に特徴が
ある。このような構成としたことにより、熱硬化性樹脂
は、前述した加熱型発泡剤の作用により、加熱時に発泡
し、整泡性に優れた均一な発泡組成物が得られる。
Next, the foamed resin composition of the present invention contains a thermosetting resin, a melamine-modified phenolic resin and a heating type foaming agent containing silicone particles as essential components, that is, the thermosetting resin and the above-mentioned heating agent. It is characterized in that it contains a foaming agent. With such a constitution, the thermosetting resin foams at the time of heating by the action of the above-mentioned heating type foaming agent, and a uniform foaming composition excellent in foam regulation is obtained.

【0016】ここで、熱硬化性樹脂としては、既知の樹
脂を用いることができ、例えば、エポキシ樹脂、フェノ
ール樹脂、キシレン樹脂、グアナミン樹脂、ジアリルフ
タレート樹脂、メラミン樹脂、ウレタン樹脂、ポリイミ
ド樹脂、不飽和ポリエステル樹脂、ビニルエステル樹脂
等がある。なかでも、発泡の均一性という観点からエポ
キシ樹脂、またより微細な発泡という観点からリン含有
エポキシ樹脂が好ましい。
Here, as the thermosetting resin, known resins can be used, for example, epoxy resin, phenol resin, xylene resin, guanamine resin, diallyl phthalate resin, melamine resin, urethane resin, polyimide resin, Examples include saturated polyester resin and vinyl ester resin. Of these, an epoxy resin is preferable from the viewpoint of uniformity of foaming, and a phosphorus-containing epoxy resin is preferable from the viewpoint of finer foaming.

【0017】本発明の発泡樹脂組成物を用いた発泡成型
体の形態は特に限定されるものではないが、一般的に
は、シート状に成型される。この発泡樹脂シートの製造
方法は、以下のとおりである。
The form of the foamed molded product using the foamed resin composition of the present invention is not particularly limited, but it is generally molded into a sheet. The method for producing this foamed resin sheet is as follows.

【0018】まず、熱硬化性樹脂、メラミン変性フェノ
ール樹脂とシリコーン粒子を必須成分とする加熱型発泡
剤を含む樹脂組成物を塗布し、50℃以上、好ましくは50
℃以上200℃以下に加熱して発泡させシート状に成型す
る。ここで、50℃未満では、窒素ガスが発生せず発泡
しない。一方、200℃超であると、副反応や熱分解によ
り主反応の進行を妨げるおそれがあるため好ましくな
い。
First, a resin composition containing a thermosetting resin, a melamine-modified phenol resin and a heating type foaming agent containing silicone particles as essential components is applied, and the temperature is 50 ° C. or higher, preferably 50 ° C.
It is foamed by heating above ℃ to 200 ℃ and molded into a sheet. Here, below 50 ° C., nitrogen gas is not generated and foaming does not occur. On the other hand, if it exceeds 200 ° C., the progress of the main reaction may be hindered by side reaction or thermal decomposition, which is not preferable.

【0019】このようにして成型した発泡シートは、整
泡性に優れた球状の発泡体が均一に分布している。
In the foamed sheet molded in this way, spherical foams having an excellent foam control property are uniformly distributed.

【0020】[0020]

【実施例】以下に実施例および比較例を示して本発明に
ついて具体的に説明するが、本発明が下記実施例に限定
されるものでないことはもとよりである。なお、「部」
および「%」とあるのは、特に断りがない限り全て質量
基準である。また、本実施例において、E 828はジャパ
ンエポキシレジン社製のビスフェノールA型エポキシ樹
脂、ATNレジンは大日本インキ化学工業社製のメラミン
変性フェノールノボラック樹脂、トスパール120は東芝
シリコーン社製の球状シリコーン、2PHZは四国化成
社製のイミダゾール系エポキシ樹脂硬化剤、ZX-1548B-4
は東都化成社製のリン含有エポキシ樹脂、トスパール24
0は東芝シリコーン社製の不定形シリコーン、HF-1は明
和化成製のフェノール樹脂である。
EXAMPLES The present invention will be specifically described below with reference to Examples and Comparative Examples, but it goes without saying that the present invention is not limited to the following Examples. In addition, "part"
The terms "%" and "%" are based on mass unless otherwise specified. In this example, E 828 is a bisphenol A type epoxy resin manufactured by Japan Epoxy Resins, ATN resin is a melamine-modified phenol novolac resin manufactured by Dainippon Ink and Chemicals, and Tospearl 120 is a spherical silicone manufactured by Toshiba Silicone, 2PHZ is ZX-1548B-4, an imidazole epoxy resin hardener manufactured by Shikoku Kasei.
Is a phosphorus-containing epoxy resin, Tospearl 24 manufactured by Tohto Kasei Co., Ltd.
0 is an amorphous silicone manufactured by Toshiba Silicone Co., Ltd., and HF-1 is a phenol resin manufactured by Meiwa Kasei.

【0021】(実施例1)下記成分組成となるように各
材料を配合し、上記材料を脱泡攪拌機にて均一に分散さ
せ、発泡樹脂組成物を得た。
Example 1 Each material was blended so as to have the following component composition, and the above materials were uniformly dispersed by a defoaming stirrer to obtain a foamed resin composition.

【0022】(実施例2)下記成分組成となるように各
材料を配合し、上記材料を脱泡攪拌機にて均一に分散さ
せ、発泡樹脂組成物を得た。
Example 2 Each material was blended so as to have the following component composition, and the above materials were uniformly dispersed by a defoaming stirrer to obtain a foamed resin composition.

【0023】(実施例3)下記成分組成となるように各
材料を配合し、上記材料を脱泡攪拌機にて均一に分散さ
せ、発泡樹脂組成物を得た。
Example 3 Each material was blended so as to have the following component composition, and the above materials were uniformly dispersed with a defoaming stirrer to obtain a foamed resin composition.

【0024】(比較例1)下記成分組成となるように各
材料を配合し、上記材料を脱泡攪拌機にて均一に分散さ
せ、発泡樹脂組成物を得た。
Comparative Example 1 Each material was blended so as to have the following component composition, and the above materials were uniformly dispersed with a defoaming stirrer to obtain a foamed resin composition.

【0025】(比較例2)下記成分組成となるように各
材料を配合し、上記材料を脱泡攪拌機にて均一に分散さ
せ、発泡樹脂組成物を得た。
Comparative Example 2 Each material was blended so as to have the following component composition, and the above materials were uniformly dispersed with a defoaming stirrer to obtain a foamed resin composition.

【0026】このようにして得られた発泡樹脂組成物に
ついて、150℃、60分という硬化条件にて、50mm
×100mm×1mmの発泡シートを作成し、以下の項目を
測定して発泡状態を評価した。その結果を表1に示す。 平均気泡径:無作為抽出した気泡30個をノギスで測
定し、平均値を計算。 最小気泡径:無作為抽出した気泡30個をノギスで測
定した内の最小気泡径。 最大気泡径:無作為抽出した気泡30個をノギスで測
定した内の最大気泡径。 平均気泡数:無作為抽出した1cm2内の気泡数測定を
3箇所行い、平均値を計算。 密着性 :テープピーリング [○ 剥がれ無し, △ 50%未満の剥がれ, × 50%以
上の剥がれ]
About the foamed resin composition thus obtained, 50 mm under the curing condition of 150 ° C. and 60 minutes
A foamed sheet of × 100 mm × 1 mm was prepared, and the following items were measured to evaluate the foamed state. The results are shown in Table 1. Average bubble diameter: Measure 30 randomly selected bubbles with a caliper and calculate the average value. Minimum bubble size: The minimum bubble size of 30 randomly extracted bubbles measured with a caliper. Maximum bubble diameter: The maximum bubble diameter of 30 randomly extracted bubbles measured with a caliper. Average number of bubbles: Randomly extracted number of bubbles within 1 cm 2 was measured at 3 points and the average value was calculated. Adhesion: Tape peeling [○ no peeling, △ less than 50% peeling, × 50% or more peeling]

【0027】[0027]

【表1】 [Table 1]

【0028】この表に示す結果から明らかなように、本
発明の発泡樹脂組成物によれば、熱硬化性樹脂、メラミ
ン変性フェノール樹脂とシリコーン粒子を必須成分とす
る加熱型発泡剤を含むので、整泡性に優れる発泡樹脂シ
ートを提供することができる。しかも、球状のシリコー
ン粒子を用いることで、より均一な気泡が得られること
がわかる。また、熱硬化性樹脂としてリン含有エポキシ
樹脂を用いた場合にも整泡性に優れた発泡樹脂シートが
得られることがわかる。
As is clear from the results shown in this table, since the foamed resin composition of the present invention contains the thermosetting resin, the melamine-modified phenolic resin and the heating type foaming agent containing silicone particles as essential components, It is possible to provide a foamed resin sheet having excellent foam-stabilizing properties. Moreover, it can be seen that more uniform bubbles can be obtained by using spherical silicone particles. It is also found that a foamed resin sheet having excellent foam control properties can be obtained even when a phosphorus-containing epoxy resin is used as the thermosetting resin.

【0029】[0029]

【発明の効果】以上説明したように本発明によれば、発
泡の大きさが均一となる整泡性の良好な加熱型発泡剤を
提供することができる。また、塗膜中の気泡の大きさが
均一で、下地との密着性に優れる、整泡性の良好な発泡
樹脂組成物、ならびに発泡樹脂シートを提供することが
できる。従って、本発明の発泡樹脂組成物、ならびに発
泡樹脂シートは、電子材料の用途において、衝撃や振動
の吸収特性のばらつきが小さい、信頼性に優れる電子部
品の提供に期待される。
As described above, according to the present invention, it is possible to provide a heating type foaming agent having a uniform foaming size and good foam control. Further, it is possible to provide a foamed resin composition having a uniform size of bubbles in the coating film, excellent adhesion to a substrate, and good foam-stability, and a foamed resin sheet. Therefore, the foamed resin composition and the foamed resin sheet of the present invention are expected to provide highly reliable electronic components with little variation in shock and vibration absorption characteristics in applications of electronic materials.

─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成13年9月14日(2001.9.1
4)
[Submission date] September 14, 2001 (2001.9.1)
4)

【手続補正1】[Procedure Amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】発明の名称[Name of item to be amended] Title of invention

【補正方法】追加[Correction method] Added

【補正内容】[Correction content]

【発明の名称】 加熱型発泡剤、およびそれを用いた発
泡樹脂組成物と発泡樹脂シート、ならびに発泡樹脂シー
トの製造方法
Title: Heatable foaming agent, foamed resin composition and foamed resin sheet using the same, and method for producing foamed resin sheet

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) C08L 63/00 C08L 83/04 83/04 B29C 67/22 Fターム(参考) 4D075 BB30Z BB93Z CA04 CA05 CA13 CA47 CB34 DA06 DC02 DC08 DC11 DC18 EA07 EA10 EA17 EA29 EB32 EB33 EB56 EC03 4F074 AA61 AA64 AA90 AE05 BA28 BC05 BC13 CA29 DA33 4F212 AA33 AA37 AA39 AB02 AB19 AC01 AG03 AG20 UA09 UB01 UB13 UB22 UC06 UG05 UN11 4J002 BF051 CC031 CC072 CC121 CC181 CC191 CD111 CD201 CF211 CK021 CM041 CP032 FA082 FD322 GL00 GN00 GQ00 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) C08L 63/00 C08L 83/04 83/04 B29C 67/22 F term (reference) 4D075 BB30Z BB93Z CA04 CA05 CA13 CA47 CB34 DA06 DC02 DC08 DC11 DC18 EA07 EA10 EA17 EA29 EB32 EB33 EB56 EC03 4F074 AA61 AA64. CK021 CM041 CP032 FA082 FD322 GL00 GN00 GQ00

Claims (8)

【特許請求の範囲】[Claims] 【請求項1】メラミン変性フェノール樹脂とシリコーン
粒子を必須成分として含むことを特徴とする加熱型発泡
剤。
1. A heating type foaming agent comprising a melamine-modified phenol resin and silicone particles as essential components.
【請求項2】シリコーン粒子が球状であることを特徴と
する請求項1に記載の加熱型発泡剤。
2. The heating type foaming agent according to claim 1, wherein the silicone particles are spherical.
【請求項3】熱硬化性樹脂、メラミン変性フェノール樹
脂とシリコーン粒子を必須成分とする加熱型発泡剤を含
むことを特徴とする発泡樹脂組成物。
3. A foamed resin composition comprising a thermosetting resin, a melamine-modified phenolic resin and a heating type foaming agent containing silicone particles as essential components.
【請求項4】シリコーン粒子が球状であることを特徴と
する請求項3に記載の発泡樹脂組成物。
4. The foamed resin composition according to claim 3, wherein the silicone particles are spherical.
【請求項5】熱硬化性樹脂がエポキシ樹脂であることを
特徴とする請求項3に記載の発泡樹脂組成物。
5. The foamed resin composition according to claim 3, wherein the thermosetting resin is an epoxy resin.
【請求項6】エポキシ樹脂がリン含有エポキシ樹脂であ
ることを特徴とする請求項5に記載の発泡樹脂組成物。
6. The foamed resin composition according to claim 5, wherein the epoxy resin is a phosphorus-containing epoxy resin.
【請求項7】請求項3〜6に記載の発泡樹脂組成物をシ
ート状に発泡成型させてなることを特徴とする発泡樹脂
シート。
7. A foamed resin sheet obtained by foaming and molding the foamed resin composition according to claim 3 into a sheet shape.
【請求項8】基材上に、請求項3に記載の発泡樹脂組成
物を塗布し、50℃以上200℃以下の温度で加熱して発泡
させシート状に成型させてなることを特徴とする発泡樹
脂シートの製造方法。
8. A foamed resin composition according to claim 3 is applied onto a substrate, heated at a temperature of 50 ° C. or higher and 200 ° C. or lower, foamed and molded into a sheet. Method for manufacturing foamed resin sheet.
JP2001262685A 2001-08-31 2001-08-31 Heating type foaming agent, foamed resin composition and foamed resin sheet using the same and method for producing foamed resin sheet Withdrawn JP2003073526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
JP2003073526A true JP2003073526A (en) 2003-03-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013544927A (en) * 2010-11-05 2013-12-19 ビーエーエスエフ ソシエタス・ヨーロピア Melamine resin foam material with inorganic filler
JP2014506619A (en) * 2011-02-24 2014-03-17 ビーエーエスエフ ソシエタス・ヨーロピア Melamine resin foam material with particulate filler
JP2015510533A (en) * 2012-02-02 2015-04-09 ディアブ インターナショナル アクチボラゲット Method for producing PET foam and PET foam obtained by this method
WO2020179642A1 (en) * 2019-03-04 2020-09-10 株式会社エマオス京都 Porous body, and method for producing porous body

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013544927A (en) * 2010-11-05 2013-12-19 ビーエーエスエフ ソシエタス・ヨーロピア Melamine resin foam material with inorganic filler
JP2014506619A (en) * 2011-02-24 2014-03-17 ビーエーエスエフ ソシエタス・ヨーロピア Melamine resin foam material with particulate filler
JP2015510533A (en) * 2012-02-02 2015-04-09 ディアブ インターナショナル アクチボラゲット Method for producing PET foam and PET foam obtained by this method
WO2020179642A1 (en) * 2019-03-04 2020-09-10 株式会社エマオス京都 Porous body, and method for producing porous body
US11613618B2 (en) 2019-03-04 2023-03-28 Emaus Kyoto, Inc. Porous body, and method for producing porous body

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