JPS5932497B2 - Flame retardant polyurethane foam - Google Patents

Flame retardant polyurethane foam

Info

Publication number
JPS5932497B2
JPS5932497B2 JP50081725A JP8172575A JPS5932497B2 JP S5932497 B2 JPS5932497 B2 JP S5932497B2 JP 50081725 A JP50081725 A JP 50081725A JP 8172575 A JP8172575 A JP 8172575A JP S5932497 B2 JPS5932497 B2 JP S5932497B2
Authority
JP
Japan
Prior art keywords
polyurethane foam
flame retardant
retardant polyurethane
flame
resin
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.)
Expired
Application number
JP50081725A
Other languages
Japanese (ja)
Other versions
JPS524545A (en
Inventor
尭 石川
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.)
IG Technical Research Inc
Original Assignee
IG Technical Research Inc
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 IG Technical Research Inc filed Critical IG Technical Research Inc
Priority to JP50081725A priority Critical patent/JPS5932497B2/en
Publication of JPS524545A publication Critical patent/JPS524545A/en
Publication of JPS5932497B2 publication Critical patent/JPS5932497B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyurethanes Or Polyureas (AREA)

Description

【発明の詳細な説明】 本発明は合成樹脂、特にポリウレタンフォーム内に水を
物理的に混入して耐熱性、圧縮性を向上せしめた難燃性
ポリウレタンフォームに関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a synthetic resin, particularly a flame-retardant polyurethane foam whose heat resistance and compressibility are improved by physically mixing water into the polyurethane foam.

合成樹脂発泡体を難燃化するには種々の方法がある。例
えば、難燃剤を樹脂発泡時に直接添加し、難燃性を改善
する方法がある。しかしこの種、物質を添加すると樹脂
の物性が低下する。特に、大量に添加したときは顕著と
なる。そのため、実際は樹脂発泡組織の物性低下と難燃
性とのバランスを勘案した添加となつている。しかしな
がら、このように配慮したとしても、温度が触媒のよう
に作用するこの種反応系においては、樹脂原料の有効発
泡を損なうことなく、所謂最小の使用量で所期の体積の
フォームを形成するように添加することが非常に困難で
あつた。本発明はこのような欠点を除去するため、ポリ
ウレタンフォーム原料の反応系を阻害せず、かつ難燃効
果の大きい水を蒸発、漏洩することのない状態に収納し
た容器を分布した難燃性ポリウレタンフォームを提案す
るものである。
There are various methods for making synthetic resin foam flame retardant. For example, there is a method of directly adding a flame retardant during resin foaming to improve flame retardancy. However, when this kind of substance is added, the physical properties of the resin deteriorate. This is especially noticeable when a large amount is added. Therefore, in reality, it is added in consideration of the balance between deterioration of the physical properties of the resin foam structure and flame retardancy. However, even with such consideration, in this type of reaction system where temperature acts like a catalyst, it is necessary to form a foam of the desired volume with the so-called minimum usage amount without impairing the effective foaming of the resin raw material. It was very difficult to add it in this way. In order to eliminate these drawbacks, the present invention has developed a flame-retardant polyurethane material that does not inhibit the reaction system of polyurethane foam raw materials and that contains containers in which water, which has a large flame-retardant effect, will not evaporate or leak. It proposes a form.

以下に本発明に係る難燃性ポリウレタンフォームの一実
施例について詳細に説明する。
An example of the flame-retardant polyurethane foam according to the present invention will be described in detail below.

本発明において、小容器とは液体、気体、固体を透過し
ない薄い被膜で、かつ収容物質によつて溶解、腐食され
ない、所謂ポリスチレン樹脂からなるものであり、その
形状は添加後の分散性などから、パイプ状、球状、箱体
、楕円状、ペレット状、あるいはテトラポット状、三角
錐状等の物を用いる。
In the present invention, the small container is made of so-called polystyrene resin, which has a thin coating that does not permeate liquids, gases, and solids, and which is not dissolved or corroded by the contained substances, and its shape depends on the dispersibility after addition. , pipe-shaped, spherical, box-shaped, oval-shaped, pellet-shaped, tetrapod-shaped, triangular pyramid-shaped, etc. are used.

なお、小容器の容積は0.1〜3工程度であり、これに
下記する如き物質を収容したのちに熱、接着剤などの手
段を介して密封する。上記小容器に封入する物質として
は水である。また、本発明においてポリウレタンフォー
ムとは、ポリオール、ポリイソシアネート、発泡剤、触
媒からなる原料の液状物を混合し、反応一発泡一硬化さ
せるものであり、断熱材、およびバインダーとして有効
に作用するものである。特にポリウレタンフォームは短
時間で原料からフォームが形成され、しかも接着性も大
きく、施工性、加工性に富むものである。また、小容器
とポリウレタンフォーム原料の配合はポリウレタン樹脂
100重量部に対し、10〜200重量部位である。す
なわち下限の10重量部はあまり難燃剤が少ないと、ほ
とんど効果がない、逆にあまり多すぎると発泡を阻害す
るのと機械強度の低下等がある。また樹脂に混入する無
機物等の混入量もほぼ5〜100重量部位である。次に
実施例について説明する。
The volume of the small container is 0.1 to 3 steps, and after containing the following substances, the container is sealed using heat, adhesive, or other means. The substance sealed in the small container is water. In addition, in the present invention, polyurethane foam is a foam that is made by mixing raw material liquids consisting of polyol, polyisocyanate, a blowing agent, and a catalyst, and then reacting, foaming, and curing the foam, and effectively acts as a heat insulating material and a binder. It is. In particular, polyurethane foam can be formed from raw materials in a short time, has high adhesive properties, and is highly workable and processable. Further, the proportion of the small container and the polyurethane foam raw material is 10 to 200 parts by weight per 100 parts by weight of the polyurethane resin. That is, if the lower limit of 10 parts by weight is too low, there will be almost no effect if the flame retardant is too small, whereas if it is too large, foaming will be inhibited and mechanical strength will be lowered. Further, the amount of inorganic substances mixed into the resin is approximately 5 to 100 parts by weight. Next, an example will be described.

実施例 1 配合比 ポリウレタン樹脂 100重量部 小容器(水をO、5CC収容したテトラ ポット型ポリスチレン製) 30重量部 以上を混合し、その後に型に注入して加熱加圧し、厚さ
10mmの板体を形成した。
Example 1 Mixing ratio Polyurethane resin 100 parts by weight A small container (made of tetrapot type polystyrene containing O, 5 CC of water) 30 parts by weight or more were mixed, and then poured into a mold and heated and pressurized to form a 10 mm thick plate. formed a body.

これを強熱下にさらしたところ、表面に露出している小
容器はほどなく破壊してポリウレタンフオームに飛散し
た。そこで水は周囲を冷却しウレタンの分解を所期のあ
る時間内たけ阻止する。上述したように本発明に係る難
燃性ポリウレタンフオームはポリウレタンフオームの形
成時に小容器がその発泡に悪影響をさほど与えることな
く、ポリウレタンフオームに難燃性を具備させ得る特徴
がある。
When this was exposed to intense heat, the small container exposed on the surface soon broke and was scattered onto the polyurethane foam. The water then cools the surrounding area and prevents the urethane from decomposing for a certain amount of time. As described above, the flame-retardant polyurethane foam according to the present invention has the characteristic that the polyurethane foam can be provided with flame retardancy without having a small container that adversely affects the foaming of the polyurethane foam.

Claims (1)

【特許請求の範囲】[Claims] 1 水を収容密封したポリスチレン製小容器をポリウレ
タンフォーム内に分布せしめたことを特徴とする難燃性
ポリウレタンフォーム。
1. A flame-retardant polyurethane foam characterized in that small polystyrene containers that contain and seal water are distributed within the polyurethane foam.
JP50081725A 1975-06-30 1975-06-30 Flame retardant polyurethane foam Expired JPS5932497B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50081725A JPS5932497B2 (en) 1975-06-30 1975-06-30 Flame retardant polyurethane foam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50081725A JPS5932497B2 (en) 1975-06-30 1975-06-30 Flame retardant polyurethane foam

Publications (2)

Publication Number Publication Date
JPS524545A JPS524545A (en) 1977-01-13
JPS5932497B2 true JPS5932497B2 (en) 1984-08-09

Family

ID=13754378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50081725A Expired JPS5932497B2 (en) 1975-06-30 1975-06-30 Flame retardant polyurethane foam

Country Status (1)

Country Link
JP (1) JPS5932497B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62254716A (en) * 1986-04-28 1987-11-06 有限会社 梅鉢 Artistic handicrafts and buddhist altar things such as name tablet capable of hearing related sound

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2091331T3 (en) * 1990-06-01 1996-11-01 Albright & Wilson Americas FOAM COMPOSITIONS CONTAINING AN ESTER PHOSPHATE BASED FLAME RETARDING MIXTURE.
DE10011543A1 (en) 2000-03-09 2001-09-13 Bayer Ag Crosslinked polymer beads containing a halogen-free phosphorus compound, useful as flame retardants in thermoplastic molding compositions

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842599A (en) * 1971-10-05 1973-06-20
JPS5169545A (en) * 1974-12-12 1976-06-16 Ig Gijutsu Kenkyusho Kk Taika tainetsuseigoseijushitai

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842599A (en) * 1971-10-05 1973-06-20
JPS5169545A (en) * 1974-12-12 1976-06-16 Ig Gijutsu Kenkyusho Kk Taika tainetsuseigoseijushitai

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62254716A (en) * 1986-04-28 1987-11-06 有限会社 梅鉢 Artistic handicrafts and buddhist altar things such as name tablet capable of hearing related sound

Also Published As

Publication number Publication date
JPS524545A (en) 1977-01-13

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