JPS6311586A - Cement composition for forming heat insulator - Google Patents
Cement composition for forming heat insulatorInfo
- Publication number
- JPS6311586A JPS6311586A JP15369386A JP15369386A JPS6311586A JP S6311586 A JPS6311586 A JP S6311586A JP 15369386 A JP15369386 A JP 15369386A JP 15369386 A JP15369386 A JP 15369386A JP S6311586 A JPS6311586 A JP S6311586A
- Authority
- JP
- Japan
- Prior art keywords
- heat insulating
- insulating material
- cement
- forming
- cement composition
- 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
- 239000004568 cement Substances 0.000 title claims description 40
- 239000000203 mixture Substances 0.000 title claims description 34
- 239000012212 insulator Substances 0.000 title 1
- 239000011810 insulating material Substances 0.000 claims description 41
- 239000002245 particle Substances 0.000 claims description 39
- 229920003023 plastic Polymers 0.000 claims description 26
- 239000004033 plastic Substances 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 239000004576 sand Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 18
- 239000012774 insulation material Substances 0.000 description 6
- 239000011398 Portland cement Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- -1 etc. can be used Substances 0.000 description 5
- 239000004794 expanded polystyrene Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 229920000426 Microplastic Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920006248 expandable polystyrene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011802 pulverized particle Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 235000011888 snacks Nutrition 0.000 description 1
Landscapes
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
発明の技術分野
本発明は、断熱材形成用セメント組成物に関し、さらに
詳しくは、断熱性能に優れるとともに機械的強度にも優
れた断熱材を形成しうる断熱材形成用セメント組成物に
関する。DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to a cement composition for forming a heat insulating material, and more particularly to a cement composition for forming a heat insulating material that can form a heat insulating material having excellent heat insulating performance and excellent mechanical strength. Relating to cement compositions.
発明の技術的背景ならびにぞの問題点
特に冬期において、居住空間に快適さを与えしかも暖房
費用を節約するため、住居の室内と学外とを仕切る外壁
面に断熱材を設ける断熱工法が広く行なわれている。Technical Background of the Invention and Problems Particularly in the winter, in order to provide comfort to the living space and save on heating costs, insulation methods are widely used in which a heat insulating material is installed on the outer wall that separates the inside of a residence from the outside of the school. ing.
このような住宅の断熱工法としては、従来、室内と室外
とを仕切る壁面の室内側に、発泡ウレタン、発泡ポリス
チレン、フェノ−シフ４−ムなどの発泡プラスヂックス
製の板状断熱材を設ける工法が知られている。Conventionally, the insulation method for such houses has been to install a plate-shaped insulation material made of foamed plastics such as foamed urethane, foamed polystyrene, or phenosif 4-me on the indoor side of the wall that partitions the indoors and outdoors. Are known.
ところがこのような工法では、たとえば窓枠周辺あるい
はドア枠周辺には、断熱材を設けることが施工の工程な
どの理由から困難であった。というのは、コンクリート
躯体工事の後に窓枠などを取り付けのためには、躯体と
枠との間に空間（隙き間）を必要とするからであり、ま
た窓枠周辺あるいはドア周辺はその構造が入り組んでお
り、この部分に板状の断熱材を充填することが難しかっ
たからでおり、通常この部分には何も充填されていない
状態となっていることも多かった。そしてもし窓枠周辺
あるいはドア枠周辺などの断熱材か設けられていない部
分（以下断熱欠損部ということがある）をそのままにし
ておくと、この断熱欠損部から大量の熱が逃げてしまい
、住宅の断熱性能は著しく低下してしまうという問題点
があった。However, with this construction method, it is difficult to provide heat insulating material around window frames or door frames, for example, due to the construction process. This is because in order to install window frames etc. after concrete frame work, a space (gap) is required between the frame and the frame, and the area around the window frame or door is The reason for this was that it was difficult to fill this part with plate-shaped heat insulating material, and this part was often left unfilled. If you leave areas without insulation, such as around window frames or door frames (hereinafter referred to as insulation defects), a large amount of heat will escape from these insulation defects, causing The problem was that the heat insulation performance of the
このため、上記のような断熱欠損部に何らかの断熱材を
設けようとする試みがなされている。たとえばこのよう
な試みの１つとして、断熱欠損部にモルタルを詰め込む
方法が挙げられる。ところか、モルタルはセメントと砂
とから構成されているが、砂およびセメントはいずれも
熱伝導率が大ぎくしたがって断熱性能に劣るという問題
点があった。For this reason, attempts have been made to provide some kind of heat insulating material to the above-mentioned heat insulating defective portion. For example, one such attempt is to fill the insulation defects with mortar. On the other hand, mortar is composed of cement and sand, but both sand and cement have a problem in that they have very high thermal conductivity and therefore have poor insulation performance.
このような問題点を解決するため、セメントと砂とから
なるモルタル中に発泡ポリスチレンなどの発泡プラスチ
ックを混合してなる断熱材も検討されているが、この断
熱材中には熱伝導率が大きい砂が用いられているため、
やはり断熱性能に劣るという問題点があった。In order to solve these problems, insulation materials made by mixing foamed plastics such as expanded polystyrene into mortar made of cement and sand are being considered, but this insulation material has a high thermal conductivity. Because sand is used,
There was still a problem that the heat insulation performance was poor.
このため断熱材中から熱伝導率の大きい砂を除いて断熱
材を形成することも考えられるが、このような断熱材で
は機械的強度が劣るという新たな間寵点か生じてしまう
。For this reason, it is conceivable to form a heat insulating material by removing sand, which has a high thermal conductivity, from the heat insulating material, but such a heat insulating material has a new disadvantage of poor mechanical strength.
発明の目的
本発明は、上記のような従来技術に伴なう問題点を解決
しようとするものであって、窓枠周辺おるいはドア枠周
辺などの断熱欠損部などに断熱性に優れ、しかも機械的
強度に優れた断熱材を形成することができるような断熱
材形成用レメント相成物を提供することを目的とするも
のであり、そのポイントは、セメント組成物に断熱性を
与える発泡プラスチック粒と、セメント組成物に機械的
強度を与える発泡プラスチック粒周辺部分（マトリック
ス）とからなるセメンＩ〜組成物において、マトリック
ス部分の機械的強度を実用上支障のないものとしつつ、
しかも断熱性能を箸しく向上させることにある。OBJECT OF THE INVENTION The present invention aims to solve the problems associated with the prior art as described above, and provides excellent heat insulation for areas with poor heat insulation such as around window frames or door frames. Moreover, the purpose is to provide a lement phase composition for forming a heat insulating material that can form a heat insulating material with excellent mechanical strength. In a cement I composition consisting of plastic grains and a portion (matrix) surrounding the foamed plastic grains that provides mechanical strength to the cement composition, the mechanical strength of the matrix portion is made to be practically acceptable, while
What's more, it significantly improves insulation performance.
発明の概要
本発明に係る断熱材形成用セメント組成物は、■ヒメン
ト、［２］粒径５繭以下の未発泡プラスデック粒Ｊ３よ
び■粒径０．５〜６Ｍであって発泡倍率が少なくとも３
０倍以上である発泡プラスチック粒からなることを特徴
としている。Summary of the Invention The cement composition for forming a heat insulating material according to the present invention comprises: (1) Himento, (2) unfoamed Plus Deck grains J3 with a particle size of 5 cocoons or less, and (2) a particle size of 0.5 to 6M and an expansion ratio of at least 3
It is characterized by being made of foamed plastic particles with a size of 0 times or more.
本発明に係る断熱材形成用セメント組成物は、セメント
と、未発泡のプラスナック粒と、３０倍以上の発泡倍率
を有する発泡プラスチック粒とからなっているため、ｌ
として砂または小石あるいはこれらと発泡プラスチック
粒とが組み合わされて用いられている断熱材と比較して
断熱性能に優れ、しかも機械的強度も充分使用に耐える
ものとなっている。しかも本発明に係る断熱材形成用セ
メント組成物は、窓枠周辺あるいはドア枠周辺などの断
熱材を設けにくい断熱欠損部にコテなどにより容易に設
けることができる。The cement composition for forming a heat insulating material according to the present invention is composed of cement, unfoamed plastic snack particles, and foamed plastic particles having an expansion ratio of 30 times or more.
Compared to heat insulating materials that use sand, pebbles, or a combination of these and foamed plastic particles, the heat insulating performance is excellent, and the mechanical strength is sufficient to withstand use. Furthermore, the cement composition for forming a heat insulating material according to the present invention can be easily applied with a trowel or the like to a heat-insulating defective area where it is difficult to provide a heat-insulating material, such as around a window frame or a door frame.
発明の具体的８１明
以下本発明に係る断熱材形成用セメント組成物について
具体的に説明する。DETAILED DESCRIPTION OF THE INVENTION The cement composition for forming a heat insulating material according to the present invention will be described in detail below.
本発明に係る断熱材形成用セメント組成物は、■セメン
ト、［２］未発泡プラスチック粒および■発泡プラスチ
ック校からなる。The cement composition for forming a heat insulating material according to the present invention consists of (1) cement, (2) unfoamed plastic particles, and (2) foamed plastic particles.
本発明で用いられる■セメントとしては、従来セメント
として用いられているものを広く用いることができる。(1) As the cement used in the present invention, a wide variety of cements that have been conventionally used can be used.
具体的には、ポルトランドセメント、高炉セメント、ア
ルミナセメントなどを用いることができ、このうら特に
ポルトランドセメントが好ましい。Specifically, portland cement, blast furnace cement, alumina cement, etc. can be used, and portland cement is particularly preferred.
このようなセメントは、本発明に係る水をも含めた断熱
材形成用セメント組成物中に３０〜６０重量％好ましく
は４５〜５５重量％の県で用いられる。Such cement is used in an amount of 30 to 60% by weight, preferably 45 to 55% by weight, in the cement composition for forming a thermal insulation material including water according to the present invention.
また本発明で用いられる■未発泡プラスチック粒は、粒
径５＃以下好ましくは２．０ａｎ以下のものであり、断
熱材形成用セメント組成物中で、３０倍以上の発泡倍率
をもつ発泡プラスデックを包囲しており、砂あるいは小
石に代わる骨材としての役割を果たしている。In addition, the unfoamed plastic particles used in the present invention have a particle size of 5# or less, preferably 2.0an or less, and are used as foamed plastic particles having an expansion ratio of 30 times or more in a cement composition for forming a heat insulating material. It surrounds the sand and pebbles and acts as an aggregate instead of sand or pebbles.
未発泡プラスチック粒としては、具体的には、ポリスチ
レン粒、ポリエチレン粒、ポリプロピレン粒、ポリ塩化
ビニル粒、ポリウレタン粒、酢酸ビニル粒などが用いら
れる。このうち熱伝導率の小さいポリ塩化ビニル粒など
が特に好ましい。これらの未発泡プラスチック粒として
は、ペレット状に予じめ形成された未発泡プラスチック
粒で市ってもよく、おるいは使用済の未発泡プラスチッ
ク１鬼を料）砕して１ｑたものであってもよい。Specifically, the unfoamed plastic particles include polystyrene particles, polyethylene particles, polypropylene particles, polyvinyl chloride particles, polyurethane particles, vinyl acetate particles, and the like. Among these, polyvinyl chloride particles having low thermal conductivity are particularly preferred. These unfoamed plastic granules may be commercially available as unfoamed plastic granules that have been pre-formed into pellets, or they can be obtained by crushing 1 q of used unfoamed plastic. There may be.
このような■未発泡プラスチック粒は、本発明に係る断
熱材形成用セメント組成物中に１０〜３０重量％、好ま
しくは２０〜２５重量％の■で用いられる。Such unfoamed plastic particles are used in the cement composition for forming a heat insulating material according to the present invention in an amount of 10 to 30% by weight, preferably 20 to 25% by weight.
また本発明で用いられる■発泡プラスチック粒は、粒径
が０．５〜６Ｍ好ましくは０．５〜３ｍｍであって、そ
の発泡倍率は少なくとも３０倍以上好ましくは３０〜６
０倍程度でおる。The foamed plastic particles used in the present invention have a particle size of 0.5 to 6 mm, preferably 0.5 to 3 mm, and an expansion ratio of at least 30 times or more, preferably 30 to 6 mm.
It will be about 0 times.
このような発泡プラスチック粒としては、具体的には、
発泡ポリスチレン粒、発泡ポリエチレン粒、Ｒ泡ポリプ
ロピレン粒、発泡ポリ塩化ビニル粒、発泡ポリウレタン
粒、などが広く用いられる。Specifically, such foamed plastic particles include:
Foamed polystyrene grains, foamed polyethylene grains, R foamed polypropylene grains, foamed polyvinyl chloride grains, foamed polyurethane grains, etc. are widely used.
また板状発泡プラスチックを破砕して粒状としたもので
あってもよい。特にピース法により得られる発泡ポリス
チレンが安価で断熱性能もよい。Alternatively, it may be made into granules by crushing a plate-shaped foamed plastic. In particular, expanded polystyrene obtained by the piece method is inexpensive and has good heat insulation performance.
この発泡プラスチック粒は、断熱材中でも独立気泡をそ
のまま保持しており、したがって断熱材に良好な断熱性
能を付与している。なお、この発泡プラスチックはそれ
自体では必ずしも機械的強度を有する必要はない。前述
のように本発明に係るセメント組成物では、その機械的
強度はマトリックス部分により）ワられ、このマトリッ
クス部分では骨材としての未発泡プラスチック粒により
機械的強度が提供されるからである。These foamed plastic particles maintain closed cells as they are in the heat insulating material, and therefore provide good heat insulation performance to the heat insulating material. Note that the foamed plastic itself does not necessarily have to have mechanical strength. This is because, as described above, in the cement composition according to the present invention, its mechanical strength is reduced by the matrix portion, and the mechanical strength is provided in this matrix portion by the unfoamed plastic particles as aggregate.
このような■発泡プラスチック粒は、本発明に係る断熱
材形成用セメント組成物中に１〜５重量％、好ましくは
２〜３重量％の量で用いられる。Such foamed plastic particles are used in the cement composition for forming a heat insulating material according to the present invention in an amount of 1 to 5% by weight, preferably 2 to 3% by weight.
本発明に係る断熱材形成用レメント組成物中には、上記
の成分■、［２］Ｊ３よび■のほかに、他の成分を添加
することもできる。たとえば該組成物中に、１ｑられる
断熱材の断熱性能を大きく損なわない量の粒径５ＩｒＩ
Ｉｒｉ以下の砂あるいは小石を添加することもできる。In addition to the above-mentioned components (1), [2] J3 and (2), other components may be added to the element composition for forming a heat insulating material according to the present invention. For example, in the composition, a particle size of 5IrI is added in an amount that does not significantly impair the insulation performance of the insulation material.
It is also possible to add sand or pebbles below Iri.
また該組成物中に、得られる断熱材の機械的強度を向上
させるため、ガラス繊維あるいはカーボン繊維など添加
することしできる。Additionally, glass fiber or carbon fiber can be added to the composition in order to improve the mechanical strength of the resulting heat insulating material.
さらに、本発明に係る断熱材形成用セメント組成物を断
熱欠損部などに設ける際の作業性を向上させるため、石
綿などのテーリング剤を該組成物中に添加することもで
きる。Furthermore, in order to improve workability when applying the cement composition for forming a heat insulating material according to the present invention to a heat insulation defect, a tailing agent such as asbestos may be added to the composition.
また本発明に係る断熱材形成用セメント組成物の各成分
間のなじみ性を向上させるため、該組成物中にエチレン
−酢酸ビニル共重合体などの接着性粉末または接着性液
体を添加することもできる。Furthermore, in order to improve the compatibility between each component of the cement composition for forming a heat insulating material according to the present invention, an adhesive powder or adhesive liquid such as ethylene-vinyl acetate copolymer may be added to the composition. can.
本発明に係る断熱材形成用セメント組成物は、使用時に
は、適量の水を加えて混練した後、コテなどを用いて窓
枠周辺あるいはドア枠周辺などの断熱欠損部に適用され
る。In use, the cement composition for forming a heat insulating material according to the present invention is kneaded with an appropriate amount of water, and then applied to a heat insulation defect such as around a window frame or a door frame using a trowel or the like.
発明の効果
本発明に係る断熱材形成用セメント組成物は、セメント
と、未発泡のプラスチック粒と、発泡プラスチック粒と
からなっているため、骨材として砂あるいは小石が用い
られている断熱材と比較して断熱性能に優れ、しかも骨
材として砂あるいは小石が用いられていない断熱材と比
較して機械的強度に優れている。しかも本発明に係る断
熱材形成用セメント組成物は、窓枠周辺あるいはドア枠
周辺などの断熱材を設けにくい断熱欠損部にコテなどに
より容易に設けることができる。Effects of the Invention Since the cement composition for forming a heat insulating material according to the present invention is composed of cement, unfoamed plastic particles, and foamed plastic particles, it is different from a heat insulating material using sand or pebbles as an aggregate. In comparison, it has superior thermal insulation performance, and it also has superior mechanical strength compared to thermal insulation materials that do not use sand or pebbles as aggregate. Furthermore, the cement composition for forming a heat insulating material according to the present invention can be easily applied with a trowel or the like to a heat-insulating defective area where it is difficult to provide a heat-insulating material, such as around a window frame or a door frame.
以下本発明を実施例により説明するが、本発明はこれら
実施例に限定されるものではない。EXAMPLES The present invention will be explained below with reference to Examples, but the present invention is not limited to these Examples.
実施例 １
以下の組成を有する断熱材形成用セメント組成物を調製
した
ポルトランドセメント ６００！？エヂレン
酢酸ビニル樹脂の粉砕粒 ２７０ｇ（粒径１．Ｏｍ）
発泡ポリスチレン粒 １８ｇ（粒径２ｍ
、発泡倍率４０倍）
水 ４００ｇ
粉末状醋酸ビニル樹脂 ５０ｇｊｑられた
断熱材形成用セメントは、比重が０．５３５であり、熱
伝導率は０．０８８であった。Example 1 A cement composition for forming a heat insulating material was prepared having the following composition: Portland cement 600! ? Pulverized particles of ethylene vinyl acetate resin 270g (particle size 1.0m) Expanded polystyrene particles 18g (particle size 2m)
, foaming ratio 40 times) Water 400g
The cement for forming a heat insulating material made of 50 gjq of powdered vinyl acetate resin had a specific gravity of 0.535 and a thermal conductivity of 0.088.
実施例 ２
以下の組成を有する断熱材形成用セメント組成物を調製
した
ポルトランドセメント ６００ｇエチレン酢
酸ビニル樹脂の：扮砕粒 １６２ｇ（粒径１．０ｍｍ
）
硅砂 コ０８９発泡ポリス
チレン拉 １８ｇ（粒径２ｍ、発泡倍
率４０倍）
水 ４０
０ｇ粉末状酢酸ビニル樹脂 ５０ｇ（■ら
れた断熱材形成用セメントは、比重が０．６１１であり
、熱伝導率は０．１０７であった。Example 2 A cement composition for forming a heat insulating material having the following composition was prepared. 600 g of Portland cement 162 g of crushed ethylene vinyl acetate resin (particle size 1.0 mm)
) Silica sand Ko089 expanded polystyrene 18g (particle size 2m, expansion ratio 40x) Water 40
0 g Powdered vinyl acetate resin 50 g (The cement for forming the heat insulating material had a specific gravity of 0.611 and a thermal conductivity of 0.107.
比較例 １
以下の組成を有づる断熱材形成用セメント組成物を調製
した
ポルトランドセメン１〜 ６００ｇ６［砂
２７０ｇ発泡ポリスチレン粒
１８ｇ（粒径２Ｍ、発泡倍率４０倍）
水 ４０
０ｇ粉末状酢酸ビニル樹脂 ５０ｇｊｑら
れた断熱材形成用セメントは、比重が０．８０４であり
、熱伝導率は０．１８１であった。Comparative Example 1 Portland cement 1 to 600g6 [sand
270g expanded polystyrene grains
18g (particle size 2M, expansion ratio 40x) Water 40
The heat insulating material forming cement obtained by adding 0g of powdered vinyl acetate resin had a specific gravity of 0.804 and a thermal conductivity of 0.181.
これらの結果から、本発明に係る断熱材形成用セメント
組成物は優れた断熱性能を有していることがわかる。These results show that the cement composition for forming a heat insulating material according to the present invention has excellent heat insulating performance.
Claims (1)
ラスチック粒および［３］粒径０．５〜６ｍｍであつて
発泡倍率が少なくとも３０倍以上である発泡プラスチッ
ク粒からなることを特徴とする断熱材形成用セメント組
成物。 ２）砂、硅砂、タルクなどの粒径５ｍｍ以下の無機骨材
を含む特許請求の範囲第１項に記載の断熱材形成用セメ
ント組成物。 ３）粉末酢酸ビニル樹脂などの接着性粉末を含む特許請
求の範囲第１項に記載の方法。[Scope of Claims] 1) [1] Cement, [2] Unfoamed plastic particles with a particle size of 5 mm or less, and [3] Foamed plastic with a particle size of 0.5 to 6 mm and an expansion ratio of at least 30 times or more. A cement composition for forming a heat insulating material, characterized in that it consists of grains. 2) The cement composition for forming a heat insulating material according to claim 1, which contains an inorganic aggregate such as sand, silica sand, and talc with a particle size of 5 mm or less. 3) A method according to claim 1, comprising an adhesive powder such as powdered vinyl acetate resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15369386A JPS6311586A (en) | 1986-06-30 | 1986-06-30 | Cement composition for forming heat insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15369386A JPS6311586A (en) | 1986-06-30 | 1986-06-30 | Cement composition for forming heat insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6311586A true JPS6311586A (en) | 1988-01-19 |
| JPH033636B2 JPH033636B2 (en) | 1991-01-21 |
Family
ID=15568071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15369386A Granted JPS6311586A (en) | 1986-06-30 | 1986-06-30 | Cement composition for forming heat insulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6311586A (en) |
-
1986
- 1986-06-30 JP JP15369386A patent/JPS6311586A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH033636B2 (en) | 1991-01-21 |
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