JPH033636B2 - - Google Patents
Info
- Publication number
- JPH033636B2 JPH033636B2 JP15369386A JP15369386A JPH033636B2 JP H033636 B2 JPH033636 B2 JP H033636B2 JP 15369386 A JP15369386 A JP 15369386A JP 15369386 A JP15369386 A JP 15369386A JP H033636 B2 JPH033636 B2 JP H033636B2
- Authority
- JP
- Japan
- Prior art keywords
- insulating material
- heat insulating
- 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.)
- Expired
Links
- 239000004568 cement Substances 0.000 claims description 43
- 239000011810 insulating material Substances 0.000 claims description 37
- 239000002245 particle Substances 0.000 claims description 37
- 239000000203 mixture Substances 0.000 claims description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 16
- 239000004576 sand Substances 0.000 claims description 13
- 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
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000000843 powder 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 21
- 229920000426 Microplastic Polymers 0.000 description 12
- 239000012774 insulation material Substances 0.000 description 8
- 239000011398 Portland cement Substances 0.000 description 5
- 230000007547 defect Effects 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
- -1 polyethylene Polymers 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
- 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
- 239000006260 foam Substances 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
- 239000011802 pulverized particle Substances 0.000 description 2
- 101100272279 Beauveria bassiana Beas gene Proteins 0.000 description 1
- 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
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-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
- 229920006248 expandable polystyrene Polymers 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
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Landscapes
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
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 specifically, 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その問題点
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、住居の室内と室外
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 Therein In order to provide comfort to the living space and save on heating costs, especially in the winter, the insulation method is widely used in which a heat insulating material is installed on the outer wall surface that separates the indoor and outdoor areas of a residence. There is.
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、フエノールフオームなど
の発泡プラスチツクス製の板状断熱材を設ける工
法が知られている。 Conventionally known methods for insulating homes like this include installing plate-shaped insulation materials made of foamed plastics such as urethane foam, polystyrene foam, and phenol foam on the indoor side of the wall that separates the indoors and outdoors. There is.
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つた。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つ
たからであり、通常この部分には何も充填されて
いない状態となつていることも多かつた。そして
もし窓枠周辺あるいはドア枠周辺などの断熱材が
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つ
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 is that it was difficult to fill this part with plate-shaped heat insulating material because of the intricate structure of the parts, and this part was often left unfilled. If areas without insulation such as around window frames or door frames (hereinafter referred to as insulation defects) are left as they are, 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
が、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
きくしたがつて断熱性能に劣るという問題点があ
つた。 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. However, mortar is composed of cement and sand, and since both sand and cement have high thermal conductivity, there is a problem in that they are inferior in 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
の発泡プラスチツ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つた。 In order to solve these problems, an insulating material made by mixing foamed plastic such as expanded polystyrene into mortar made of cement and sand is being considered, but this insulating material has a high thermal conductivity. Since sand was used, there was also the problem of poor insulation performance.
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
問題点が生じてしまう。 For this reason, it is conceivable to form a heat insulating material by removing sand with high thermal conductivity from the heat insulating material, but such a heat insulating material would have a new problem 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つて、窓枠周辺あ
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セメント組
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
発泡プラスチツク粒と、セメント組成物に機械的
強度を与える発泡プラスチツク粒周辺部分（マト
リツクス）とからなるセメント組成物において、
マトリツ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、しかも断熱性能を著しく向上さ
せることにある。Purpose of the Invention The present invention aims to solve the above-mentioned problems associated with the prior art, and provides excellent heat insulation in areas with poor heat insulation such as around window frames or door frames, and also provides mechanical insulation. The purpose of this project is to provide a cement composition for forming a heat insulating material that can form a heat insulating material with excellent thermal strength. , in a cement composition consisting of a surrounding part (matrix) of foamed plastic particles that gives mechanical strength to the cement composition,
The objective is to significantly improve the heat insulation performance while making the mechanical strength of the matrix portion so that it does not pose a practical problem.
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、
セメント、粒径５mm以下の未発泡プラスチツ
ク粒および粒径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ツク粒か
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 includes:
It is characterized by consisting of cement, unfoamed plastic particles with a particle size of 5 mm or less, and foamed plastic particles with a particle size of 0.5 to 6 mm and an expansion ratio of at least 30 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、未発泡のプラスチツク粒と、30倍以
上の発泡倍率を有する発泡プラスチツク粒とから
なつているため、骨材として砂または小石あるい
はこれらと発泡プラスチツ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
なつている。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
Thermal insulation consists of cement, unfoamed plastic granules, and foamed plastic granules with an expansion ratio of 30 times or more, and uses sand or pebbles, or a combination of these and foamed plastic granules as aggregate. It has superior thermal insulation performance compared to other materials, and has sufficient mechanical strength 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.
発明の具体的説明
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 specifically described 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、未発泡プラスチツク粒および発
泡プラスチツク粒からなる。 The cement composition for forming a heat insulating material according to the present invention is
Consists of cement, unexpanded plastic granules and expanded plastic granules.
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。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、このうち特にポルトランドセメン
トが好ましい。 As the cement used in the present invention, a wide variety of cements that have been conventionally used can be used. Specifically, Portland cement, blast furnace cement, alumina cement, etc. can be used, and among these, 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％の量で用いられる。 Such cements are used in an amount of 30 to 60% by weight, preferably 45 to 55% by weight, in the cement composition for forming thermal insulation materials including water according to the invention.
また本発明で用いられる未発泡プラスチツク
粒は、粒径５mm以下好ましくは、2.0mm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チツクを包囲
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。 Further, the unfoamed plastic particles used in the present invention have a particle size of 5 mm or less, preferably 2.0 mm or less, and are used in a cement composition for forming a heat insulating material.
It surrounds foamed plastic with an expansion ratio of more than double, and plays the role of aggregate in place of sand or pebbles.
未発泡プラスチツク粒としては、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ツク粒としては、ペレツト
状に予じめ形成された未発泡プラスチツク粒であ
つてもよく、あるいは使用済の未発泡プラスチツ
ク塊を粉砕して得たものであつてもよい。 Specifically, unfoamed plastic particles include:
Polystyrene particles, polyethylene particles, polypropylene particles, polyvinyl chloride particles, polyurethane particles, vinyl acetate particles, etc. are used. Among these, polyvinyl chloride particles having low thermal conductivity are particularly preferred. These unfoamed plastic granules may be unfoamed plastic granules previously formed into pellets, or may be obtained by crushing used unfoamed plastic lumps.
このような未発泡プラスチツク粒は、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％の量で用いられ
る。 Such unexpanded plastic granules are used in the cement composition for forming insulation according to the 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ツク粒
は、粒径0.5〜６mm好ましくは0.5〜３mmであつ
て、その発泡倍率は少なくとも30倍以上好ましく
は30〜60倍程度である。 Further, the expanded 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 about 30 to 60 times.
このような発泡プラスチツク粒としては、具体
的には、発泡ポリスチレン粒、発泡ポリエチレン
粒、発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。また板状発泡プラスチツクを破砕して粒状と
したものであつてもよい。特にビース法により得
られる発泡ポリスチレンが安価で断熱性能もよ
い。 As such foamed plastic particles, specifically, foamed polystyrene particles, foamed polyethylene particles, foamed polypropylene particles, foamed polyvinyl chloride particles, foamed polyurethane particles, etc. are widely used. Alternatively, it may be made into granules by crushing a plate-shaped foamed plastic. In particular, expanded polystyrene obtained by the Beas method is inexpensive and has good heat insulation performance.
この発泡プラスチツク粒は、断熱材中でも独立
気泡をそのまま保持しており、したがつて断熱材
に良好な断熱性能を付与している。なお、この発
泡プラスチツ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
ツクス部分により得られ、このマトリツクス部分
では骨材としての未発泡プラスチツク粒により機
械的強度が提供されるからである。 The foamed plastic granules maintain closed cells in the insulation material, and therefore provide good insulation performance to the insulation material. Note that the foamed plastic itself does not necessarily have to have mechanical strength. This is because, as mentioned above, in the cement composition according to the present invention, its mechanical strength is obtained from the matrix portion, and in this matrix portion, the mechanical strength is provided by the unfoamed plastic particles as aggregate.
このような発泡プラスチツク粒は、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 expanded plastic granules are used in the cement composition for forming insulation according to the 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セメント組成物中に
は、上記の成分、およびのほかに、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、得られる断熱材の断熱性能を大きく損なわな
い量の粒径５mm以下の砂あるいは小石を添加する
こともできる。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もできる。
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。 In addition to the above-mentioned components, other components can also be added to the cement composition for forming a heat insulating material according to the present invention. For example, sand or pebbles with a particle size of 5 mm or less may be added to the composition in an amount that does not significantly impair the heat insulating performance of the resulting heat insulating material. Additionally, glass fibers or carbon fibers can be added to the composition in order to improve the mechanical strength of the resulting heat insulating material.
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。 The cement composition for forming a heat insulating material according to the present invention is
When in use, after adding an appropriate amount of water and kneading, it is applied to areas with insulation defects, such as around window frames or door frames, 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、未発泡のプラスチツク粒と、発泡プ
ラスチツク粒とからなつているため、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 The cement composition for forming a heat insulating material according to the present invention is as follows:
Because it is made of cement, unfoamed plastic granules, and foamed plastic granules, it has superior insulation performance compared to insulation materials that use sand or pebbles as aggregates. It has superior mechanical strength compared to non-insulating materials. 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 600ｇ
エチレン酢酸ビニル樹脂の粉砕粒（粒径1.0mm）
270ｇ
発泡ポリスチレン粒（粒径２mm、発泡倍率40倍）
18ｇ
水 400ｇ
粉末状酢酸ビニル樹脂 50ｇ
得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であつた。Example 1 A cement composition for forming a heat insulating material having the following composition was prepared. 600 g of Portland cement. Pulverized particles of ethylene vinyl acetate resin (particle size: 1.0 mm)
270g expanded polystyrene particles (particle size 2mm, expansion ratio 40x)
18g Water 400g Powdered vinyl acetate resin 50g The obtained cement for forming insulation material has a specific gravity of
0.535, and the thermal conductivity was 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粉砕粒（粒径1.0mm）
162ｇ
硅 砂 108ｇ
発泡ポリスチレン粒（粒径２mm、発泡倍率40倍）
18ｇ
水 400ｇ
粉末状酢酸ビニル樹脂 50ｇ
得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であつた。Example 2 A cement composition for forming a heat insulating material having the following composition was prepared. 600 g of Portland cement. Pulverized particles of ethylene vinyl acetate resin (particle size: 1.0 mm)
162g Silica sand 108g Expanded polystyrene grains (particle size 2mm, expansion ratio 40x)
18g Water 400g Powdered vinyl acetate resin 50g The obtained cement for forming insulation material has a specific gravity of
0.611, and the thermal conductivity was 0.107.
比較例 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 600ｇ
硅 砂 270ｇ
発泡ポリスチレン粒（粒径２mm、発泡倍率40倍）
18ｇ
水 400ｇ
粉末状酢酸ビニル樹脂 50ｇ
得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であつた。Comparative Example 1 A cement composition for forming a heat insulating material having the following composition was prepared. 600 g of Portland cement, 270 g of silica sand, expanded polystyrene particles (particle size: 2 mm, expansion ratio: 40 times)
18g Water 400g Powdered vinyl acetate resin 50g The obtained cement for forming insulation material has a specific gravity of
The thermal conductivity was 0.804, and the thermal conductivity was 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)
チツク粒および粒径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ツク
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。[Claims] 1. A heat insulating material forming material comprising cement, unfoamed plastic particles with a particle size of 5 mm or less, and foamed plastic particles with a particle size of 0.5 to 6 mm and an expansion ratio of at least 30 times or more. Cement composition. 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. The 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 JPS6311586A (en) | 1988-01-19 |
| JPH033636B2 true 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 |
|---|---|
| JPS6311586A (en) | 1988-01-19 |
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