JPH08325448A - Unsaturated polyesteer resin composition - Google Patents
Unsaturated polyesteer resin compositionInfo
- Publication number
- JPH08325448A JPH08325448A JP13299995A JP13299995A JPH08325448A JP H08325448 A JPH08325448 A JP H08325448A JP 13299995 A JP13299995 A JP 13299995A JP 13299995 A JP13299995 A JP 13299995A JP H08325448 A JPH08325448 A JP H08325448A
- Authority
- JP
- Japan
- Prior art keywords
- unsaturated polyester
- polyester resin
- resin composition
- average particle
- weight
- 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.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば、電気、電子部
品の注型封止用の注型材、洗濯機等のモーターの封入
材、スイッチケース、リレーケース等の電気部品に用い
る不飽和ポリエステル樹脂組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a casting material for casting and sealing electric and electronic parts, an encapsulating material for motors such as washing machines, and an unsaturated polyester used for electric parts such as switch cases and relay cases. It relates to a resin composition.
【０００２】[0002]
【従来の技術】従来、不飽和ポリエステル樹脂組成物
は、電気特性及び機械的強度等に優れ、電気、電子部品
の注型封止、洗濯機等のモーターの封入材、スイッチケ
ース、リレーケース等の電気部品、浴槽、浄化槽及び建
材等の素材として広く使用されている。2. Description of the Related Art Conventionally, unsaturated polyester resin compositions have excellent electrical characteristics and mechanical strength, and are used for casting and sealing electric and electronic parts, encapsulating materials for motors such as washing machines, switch cases and relay cases. It is widely used as a material for electric parts, bathtubs, septic tanks and building materials.
【０００３】不飽和ポリエステル樹脂は、粘度が低いの
で、無機粉末フィラーを高充填することにより、低コス
ト注型材として使用されている。ところが、不飽和ポリ
エステル樹脂に、例えば、硅砂、炭酸カルシウム、クレ
ー等を添加したのみの不飽和ポリエステル樹脂組成物で
は、難燃性や耐トラッキング性に劣り、難燃剤として、
ハロゲン系難燃剤やリン系難燃剤を用いた不飽和ポリエ
ステル樹脂組成物では、燃焼時に、ハロゲン系ガスやリ
ン系ガス等の有害ガスが発生するという問題があった。Since the unsaturated polyester resin has a low viscosity, it is used as a low-cost casting material by highly filling it with an inorganic powder filler. However, in the unsaturated polyester resin, for example, silica sand, calcium carbonate, in an unsaturated polyester resin composition only by adding clay, inferior flame resistance and tracking resistance, as a flame retardant,
The unsaturated polyester resin composition using a halogen-based flame retardant or a phosphorus-based flame retardant has a problem that harmful gases such as a halogen-based gas and a phosphorus-based gas are generated during combustion.
【０００４】[0004]
【発明が解決しようとする課題】本発明は前記の事情に
鑑みてなされたもので、その目的とするところは、注型
作業性が良好な状態を維持するとともに、難燃性及び耐
トラッキング性に優れ、燃焼時に有害ガスの発生を抑え
た不飽和ポリエステル樹脂組成物を提供することにあ
る。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to maintain a good casting workability, flame retardancy and tracking resistance. It is to provide an unsaturated polyester resin composition which is excellent in heat resistance and suppresses the generation of harmful gas during combustion.
【０００５】[0005]
【課題を解決するための手段】本発明の請求項１に係る
不飽和ポリエステル樹脂組成物は、不飽和ポリエステル
樹脂に硬化剤、硬化促進剤、充填剤及び難燃剤を添加し
てなる不飽和ポリエステル樹脂組成物において、２５℃
における粘度が１〜５００センチポイズの不飽和ポリエ
ステル樹脂１００重量部に対して、充填剤として平均粒
径が５０〜３０００μｍの硅砂１０〜２００重量部及び
難燃剤として平均粒径が５〜１００μｍの水酸化アルミ
ニウム１００〜３００重量部の割合で含有することを特
徴とする。The unsaturated polyester resin composition according to claim 1 of the present invention is an unsaturated polyester resin obtained by adding a curing agent, a curing accelerator, a filler and a flame retardant to an unsaturated polyester resin. In resin composition, 25 ℃
In 100 parts by weight of an unsaturated polyester resin having a viscosity of 1 to 500 centipoise, 10 to 200 parts by weight of silica sand having an average particle size of 50 to 3000 μm as a filler and hydroxylation having an average particle size of 5 to 100 μm as a flame retardant are used. It is characterized by containing 100 to 300 parts by weight of aluminum.
【０００６】本発明の請求項２に係る不飽和ポリエステ
ル樹脂組成物は、前記不飽和ポリエステル樹脂がキシレ
ン樹脂変性不飽和ポリエステル樹脂であることを特徴と
する。The unsaturated polyester resin composition according to a second aspect of the present invention is characterized in that the unsaturated polyester resin is a xylene resin-modified unsaturated polyester resin.
【０００７】以下、本発明を詳述する。本発明に係る不
飽和ポリエステル樹脂組成物は、例えば、不飽和ポリエ
ステル樹脂に、メチルエチルケトンパーオキサイド等の
硬化剤、ナフテン酸コバルト等の硬化促進剤、硅砂等の
充填剤及び難燃剤等を添加、混合して得られる。前記不
飽和ポリエステル樹脂としては、２５℃における粘度が
１〜５００センチポイズの不飽和ポリエステル樹脂を用
いる必要がある。すなわち、２５℃における粘度が５０
０センチポイズを越える不飽和ポリエステル樹脂の場合
には、増粘のため、注型作業性が低下する。充填剤に
は、平均粒径が５０〜３０００μｍの硅砂を用いる必要
がある。すなわち、平均粒径が５０μｍ未満の硅砂を用
いる場合には、増粘のため注型作業性が低下し、３００
０μｍを越える場合には、硅砂が不飽和ポリエステル樹
脂組成物中で沈降するため、注型作業性が低下する。The present invention will be described in detail below. The unsaturated polyester resin composition according to the present invention, for example, unsaturated polyester resin, a curing agent such as methyl ethyl ketone peroxide, a curing accelerator such as cobalt naphthenate, a filler such as silica sand and a flame retardant, etc. are added and mixed. Obtained. As the unsaturated polyester resin, it is necessary to use an unsaturated polyester resin having a viscosity at 25 ° C. of 1 to 500 centipoise. That is, the viscosity at 25 ° C is 50
In the case of an unsaturated polyester resin exceeding 0 centipoise, the workability of casting is deteriorated due to thickening. It is necessary to use silica sand having an average particle size of 50 to 3000 μm as the filler. That is, when silica sand having an average particle size of less than 50 μm is used, the workability of casting is lowered due to thickening,
When it exceeds 0 μm, silica sand settles in the unsaturated polyester resin composition, and thus casting workability is deteriorated.
【０００８】難燃剤として、平均粒径が５〜１００μｍ
の水酸化アルミニウムを必須成分として用いる。すなわ
ち、水酸化アルミニウムの平均粒径が５μｍ未満の場合
には、増粘のため注型作業性が低下し、１００μｍを越
える場合には、難燃性及び耐トラッキング性が低下す
る。The flame retardant has an average particle size of 5 to 100 μm.
Aluminum hydroxide is used as an essential component. That is, when the average particle size of aluminum hydroxide is less than 5 μm, the casting workability is deteriorated due to thickening, and when it exceeds 100 μm, the flame retardancy and tracking resistance are deteriorated.
【０００９】前記不飽和ポリエステル樹脂１００重量部
に対して、前記硅砂１０〜２００重量部及び前記水酸化
アルミニウム１００〜３００重量部の割合で含有するこ
とが必要である。すなわち、不飽和ポリエステル樹脂１
００重量部に対して、硅砂が２００重量部を越える場合
又は水酸化アルミニウムが３００重量部を越える場合に
は、増粘のため、注型作業性が低下し、水酸化アルミニ
ウムが１００重量部未満の場合には、難燃性及び耐トラ
ッキング性が低下する。It is necessary to contain the silica sand in an amount of 10 to 200 parts by weight and the aluminum hydroxide in an amount of 100 to 300 parts by weight based on 100 parts by weight of the unsaturated polyester resin. That is, unsaturated polyester resin 1
If the silica content exceeds 200 parts by weight or the aluminum hydroxide content exceeds 300 parts by weight relative to 00 parts by weight, the workability of casting is deteriorated due to thickening, and the aluminum hydroxide content is less than 100 parts by weight. In the case of, flame retardancy and tracking resistance are reduced.
【００１０】前記不飽和ポリエステル樹脂がキシレン樹
脂変性不飽和ポリエステル樹脂であることが好ましい。
すなわち、キシレン樹脂変性不飽和ポリエステル樹脂を
用いることにより、耐クラック性、耐湿性、耐電圧等の
性能が向上する。The unsaturated polyester resin is preferably a xylene resin-modified unsaturated polyester resin.
That is, by using the xylene resin-modified unsaturated polyester resin, performances such as crack resistance, moisture resistance, and withstand voltage are improved.
【００１１】[0011]
【作用】本発明の請求項１に係る不飽和ポリエステル樹
脂組成物は、不飽和ポリエステル樹脂に硬化剤、硬化促
進剤、充填剤及び難燃剤を添加してなる不飽和ポリエス
テル樹脂組成物において、２５℃における粘度が１〜５
００センチポイズの不飽和ポリエステル樹脂１００重量
部に対して、平均粒径が５０〜３０００μｍの硅砂１０
〜２００重量部及び平均粒径が５〜１００μｍの水酸化
アルミニウム１００〜３００重量部の割合で含有するの
で、注型作業性が良好で、難燃性及び耐トラッキング性
に優れ、燃焼時に有害ガスが発生し難い。The unsaturated polyester resin composition according to claim 1 of the present invention is an unsaturated polyester resin composition obtained by adding a curing agent, a curing accelerator, a filler and a flame retardant to an unsaturated polyester resin. Viscosity at ℃ 1-5
Silica sand having an average particle size of 50 to 3000 μm with respect to 100 parts by weight of a 00 centipoise unsaturated polyester resin 10
˜200 parts by weight and 100 to 300 parts by weight of aluminum hydroxide having an average particle size of 5 to 100 μm, it has good casting workability, excellent flame retardancy and tracking resistance, and is a harmful gas during combustion. Is unlikely to occur.
【００１２】本発明の請求項２に係る不飽和ポリエステ
ル樹脂組成物は、前記不飽和ポリエステル樹脂がキシレ
ン樹脂変性不飽和ポリエステル樹脂であるので、耐クラ
ック性、耐湿性、耐電圧に優れる。The unsaturated polyester resin composition according to the second aspect of the present invention is excellent in crack resistance, moisture resistance and withstand voltage because the unsaturated polyester resin is a xylene resin-modified unsaturated polyester resin.
【００１３】[0013]
【実施例】以下、本発明を実施例によって具体的に説明
する。EXAMPLES The present invention will be specifically described below with reference to examples.
【００１４】（実施例１〜実施例３及び比較例１〜比較
例３）実施例１〜実施例３及び比較例１〜比較例３の配
合成分は、不飽和ポリエステル樹脂としてキシレン樹脂
変性不飽和ポリエステル樹脂（松下電工社製；品番ＣＪ
３５００〔２５℃における粘度４０センチポイズ〕若し
くはＣＪ３０１２〔２５℃における粘度３００センチポ
イズ〕）又は不飽和ポリエステル樹脂（日本ユピカ社
製；商品名ユピカ２０７０〔２５℃における粘度２００
センチポイズ〕）１００重量部に対して、硬化剤として
メチルエチルケトンパーオキサイド（日本油脂社製；商
品名パーメックＮ）１重量部を、硬化促進剤として、６
重量％ナフテン酸コバルト１重量部の割合で用い、その
他下記の物質を表１に示すそれぞれの配合量で用いた。
充填剤として、平均粒径５００μｍの５号硅砂、平均粒
径１００μｍの７号硅砂又は炭酸カルシウム（日東粉化
社製；品番ＮＳ−１００）を用いた。難燃剤としては、
水酸化アルミニウム（昭和電工社製；商品名ハイジライ
トＨ１０〔平均粒径５０μｍ〕若しくはハイジライトＨ
３２〔平均粒径１０μｍ〕）又は赤リン（リン化学工業
社製；商品名ノーバレット＃１２０）を用いた。(Examples 1 to 3 and Comparative Examples 1 to 3) The compounding components of Examples 1 to 3 and Comparative Examples 1 to 3 are xylene resin-modified unsaturated unsaturated polyester resins. Polyester resin (manufactured by Matsushita Electric Works Ltd .; product number CJ
3500 [viscosity 40 centipoise at 25 ° C.] or CJ3012 [viscosity 300 centipoise at 25 ° C.]) or unsaturated polyester resin (manufactured by Nippon Yupika; trade name Upica 2070 [viscosity at 25 degrees Celsius 200]
Centipoise]) 1 part by weight of methyl ethyl ketone peroxide (manufactured by NOF CORPORATION; trade name Permec N) as a curing agent to 100 parts by weight of 6 parts as a curing accelerator.
It was used in a proportion of 1% by weight of cobalt naphthenate, and the following substances were used in the respective blending amounts shown in Table 1.
As the filler, No. 5 silica sand having an average particle size of 500 μm, No. 7 silica sand having an average particle size of 100 μm, or calcium carbonate (manufactured by Nitto Koka Co., Ltd .; product number NS-100) was used. As a flame retardant,
Aluminum hydroxide (manufactured by Showa Denko KK; trade name Hydilite H10 [average particle size 50 μm] or Hydilite H)
32 (average particle size 10 μm)) or red phosphorus (manufactured by Phosphorus Chemical Co., Ltd .; trade name Novalet # 120).
【００１５】表１に示した実施例１〜実施例３及び比較
例１〜比較例３のそれぞれの配合量で配合を行い、混合
機を用いて、常温で１０分間混合して不飽和ポリエステ
ル樹脂組成物を得た。これらの不飽和ポリエステル樹脂
組成物を用いて、注型を行い、常温硬化２４時間でそれ
ぞれのテストピースを作製した。注型作業性について
は、実施例及び比較例いずれも良好であった。耐炎性に
ついては、ＵＬ９４Ｖ−０のテストに基づき、耐トラッ
キング性については、ＩＥＣ ５００Ｖに基づいて測定
を行い、その結果を表１の評価欄に示した。なお、実施
例１及び実施例２は、実施例３に比べて、耐クラック
性、耐湿性、耐電圧にも優れた不飽和ポリエステル樹脂
組成物であった。Unsaturated polyester resins were prepared by blending in the respective blending amounts of Examples 1 to 3 and Comparative Examples 1 to 3 shown in Table 1 and mixing at room temperature for 10 minutes using a mixer. A composition was obtained. Casting was carried out using these unsaturated polyester resin compositions, and respective test pieces were produced by room temperature curing for 24 hours. The casting workability was good in both Examples and Comparative Examples. The flame resistance was measured based on the UL94V-0 test, and the tracking resistance was measured based on IEC 500V. The results are shown in the evaluation column of Table 1. In addition, Example 1 and Example 2 were the unsaturated polyester resin composition excellent also in crack resistance, moisture resistance, and withstand voltage compared with Example 3.
【００１６】[0016]
【表１】 [Table 1]
【００１７】表１の結果、本発明の実施例１〜実施例３
は、比較例１〜比較例３に比べて、難燃性及び耐トラッ
キング性に優れた不飽和ポリエステル樹脂組成物である
ことが分かった。特に、比較例３に比べて有害ガスが発
生しないことが確認できた。As a result of Table 1, Examples 1 to 3 of the present invention
Was found to be an unsaturated polyester resin composition having excellent flame retardancy and tracking resistance as compared with Comparative Examples 1 to 3. In particular, it was confirmed that no harmful gas was generated as compared with Comparative Example 3.
【００１８】[0018]
【発明の効果】本発明の請求項１に係る不飽和ポリエス
テル樹脂組成物は、前記のように構成されているので、
本発明の請求項１に係る不飽和ポリエステル樹脂組成物
によると、注型作業性が良好で、難燃性及び耐トラッキ
ング性に優れ、燃焼時に有害ガスが発生し難い。Since the unsaturated polyester resin composition according to claim 1 of the present invention is constituted as described above,
According to the unsaturated polyester resin composition of the first aspect of the present invention, casting workability is excellent, flame retardancy and tracking resistance are excellent, and no harmful gas is generated during combustion.
【００１９】本発明の請求項２に係る不飽和ポリエステ
ル樹脂組成物は、前記のように構成されているので、本
発明の請求項２に係る不飽和ポリエステル樹脂組成物に
よると、耐クラック性、耐湿性、耐電圧に優れる。Since the unsaturated polyester resin composition according to claim 2 of the present invention is configured as described above, according to the unsaturated polyester resin composition according to claim 2 of the present invention, crack resistance, Excellent in moisture resistance and withstand voltage.
Claims (2)
促進剤、充填剤及び難燃剤を添加してなる不飽和ポリエ
ステル樹脂組成物において、２５℃における粘度が１〜
５００センチポイズの不飽和ポリエステル樹脂１００重
量部に対して、充填剤として平均粒径が５０〜３０００
μｍの硅砂１０〜２００重量部及び難燃剤として平均粒
径が５〜１００μｍの水酸化アルミニウム１００〜３０
０重量部の割合で含有することを特徴とする不飽和ポリ
エステル樹脂組成物。1. An unsaturated polyester resin composition obtained by adding a curing agent, a curing accelerator, a filler and a flame retardant to an unsaturated polyester resin and having a viscosity at 25 ° C. of 1 to
The average particle size of the filler is 50 to 3000 with respect to 100 parts by weight of the unsaturated polyester resin of 500 centipoise.
10 to 200 parts by weight of silica sand having a particle size of 5 μm and aluminum hydroxide having an average particle size of 5 to 100 μm as a flame retardant 100 to 30
An unsaturated polyester resin composition, characterized by containing 0 part by weight.
樹脂変性不飽和ポリエステル樹脂であることを特徴とす
る請求項１記載の不飽和ポリエステル樹脂組成物。2. The unsaturated polyester resin composition according to claim 1, wherein the unsaturated polyester resin is a xylene resin-modified unsaturated polyester resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07132999A JP3121521B2 (en) | 1995-05-31 | 1995-05-31 | Unsaturated polyester resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07132999A JP3121521B2 (en) | 1995-05-31 | 1995-05-31 | Unsaturated polyester resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08325448A true JPH08325448A (en) | 1996-12-10 |
| JP3121521B2 JP3121521B2 (en) | 2001-01-09 |
Family
ID=15094427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07132999A Expired - Fee Related JP3121521B2 (en) | 1995-05-31 | 1995-05-31 | Unsaturated polyester resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3121521B2 (en) |
-
1995
- 1995-05-31 JP JP07132999A patent/JP3121521B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3121521B2 (en) | 2001-01-09 |
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