JPH0518795Y2 - - Google Patents
Info
- Publication number
- JPH0518795Y2 JPH0518795Y2 JP19924086U JP19924086U JPH0518795Y2 JP H0518795 Y2 JPH0518795 Y2 JP H0518795Y2 JP 19924086 U JP19924086 U JP 19924086U JP 19924086 U JP19924086 U JP 19924086U JP H0518795 Y2 JPH0518795 Y2 JP H0518795Y2
- Authority
- JP
- Japan
- Prior art keywords
- urethane prepolymer
- mixture
- chips
- mold
- asphalt
- 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 - Lifetime
Links
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 239000010426 asphalt Substances 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 239000011358 absorbing material Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- -1 poly(oxypropylene ether) Polymers 0.000 description 2
- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Laminated Bodies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は例えば自動車の床に敷設される制振吸
音材に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a vibration-damping and sound-absorbing material that is laid on the floor of an automobile, for example.
自動車の床にはポリウレタン発泡体チツプとウ
レタンプレポリマーとの混合物を型内に充填し、
蒸気加熱することによつて該ウレタンプレポリマ
ーを硬化させて得られるチツプ成形体が敷設され
る場合がある。
For the car floor, a mixture of polyurethane foam chips and urethane prepolymer is filled into a mold.
A chip molded body obtained by curing the urethane prepolymer by steam heating may be laid.
しかしながら上記チツプ成形体は殆んど弾性体
挙動を示すので吸音性は期待出来るが、自動車の
エンジンからの振動や走行中の振動を減衰させる
制振性は期待出来ない。
However, since most of the chip molded bodies exhibit elastic behavior, they can be expected to have sound absorbing properties, but cannot be expected to have damping properties that dampen vibrations from an automobile engine or vibrations during driving.
本考案は上記従来の問題点を解決する手段とし
て、チツプと、アスフアルトと、ウレタンプレポ
リマーとの混合物５Ａを所定形状に成形しかつ蒸
気加熱することによりウレタンプレポリマーを硬
化させた制振吸音材を提供するものである。
As a means to solve the above-mentioned conventional problems, the present invention is a vibration-damping and sound-absorbing material in which a mixture 5A of chips, asphalt, and urethane prepolymer is molded into a predetermined shape and the urethane prepolymer is cured by steam heating. It provides:
本考案に用いられるチツプは主としてポリウレ
タン発泡体チツプであるが、該チツプには更に繊
維屑、プラスチツク屑等が混合されてよい。 The chips used in the present invention are mainly polyurethane foam chips, but the chips may also be mixed with fiber scraps, plastic scraps, etc.
本考案に用いられるウレタンプレポリマーとは
トルエンジイソシアナート、パラフエニレンジイ
ソシアナート、ヘキサメチレンジイソシアナー
ト、ｍ−フエニレンジイソシアナート等のポリイ
ソシアナートと、ポリエステル、ポリ（オキシプ
ロピレンエーテル）ポリオール、ポリ（オキシエ
チレン−プロピレンエーテル）ポリオール等のポ
リオールとの反応物で末端にイソシアナート基を
有するものである。該ウレタンプレポリマーは
100％あるいはメチレンクロライド、メチルエチ
ルケトン、トルオール等の有機溶剤溶液として提
供される。 The urethane prepolymer used in this invention is polyisocyanate such as toluene diisocyanate, paraphenylene diisocyanate, hexamethylene diisocyanate, m-phenylene diisocyanate, polyester, poly(oxypropylene ether) polyol It is a reaction product with a polyol such as poly(oxyethylene-propylene ether) polyol, and has an isocyanate group at the end. The urethane prepolymer is
It is available 100% or as a solution in an organic solvent such as methylene chloride, methyl ethyl ketone, or toluene.
上記チツプとウレタンプレポリマーとの混合比
率は一般に重量比で90：10〜50：50である。 The mixing ratio of the chips and the urethane prepolymer is generally 90:10 to 50:50 by weight.
更に上記チツプとウレタンプレポリマーとの混
合物にはアスフアルトが添加される。該アスフア
ルトの添加量は一般にチツプとウレタンプレポリ
マーとの混合物とアスフアルトとの重量比が90：
10〜30：70程度になるようにされる。 Additionally, asphalt is added to the mixture of chips and urethane prepolymer. The amount of asphalt added is generally such that the weight ratio of the mixture of chips and urethane prepolymer to asphalt is 90:
It will be around 10:30:70.
本考案の制振吸音材を制造するには、上記チツ
プとウレタンプレポリマーとアスフアルトとの混
合物を所定形状の成形型内に充填し、該型内に蒸
気を注入して該混合物に該蒸気を接触させる。こ
のようにして該混合物中に含まれるウレタンプレ
ポリマーが蒸気に接触し加熱されることによつて
尿素結合、更にビユレツトを生成して高分子かつ
三次元化してチツプを結着する。このようにして
所定形状の成形物を得る。 To produce the vibration damping and sound absorbing material of the present invention, a mixture of the above chips, urethane prepolymer, and asphalt is filled into a mold of a predetermined shape, and steam is injected into the mold to inject the steam into the mixture. bring into contact. In this way, the urethane prepolymer contained in the mixture is brought into contact with steam and heated to form urea bonds and also biurets to form a polymer and three-dimensionally bind the chips. In this way, a molded product of a predetermined shape is obtained.
本考案の制振吸音材はウレタンプレポリマー硬
化物により結着されたチツプにもとづく弾性と、
アスフアルトにもとづく粘性とからなる粘弾性を
有し、かつ内部に空気を含有するから優れた制振
吸音性を示し、音波および振動を効果的に遮断す
る。
The vibration-damping and sound-absorbing material of this invention has elasticity based on chips bound by a cured urethane prepolymer,
It has viscoelasticity based on asphalt, and because it contains air, it exhibits excellent vibration damping and sound absorption properties, effectively blocking sound waves and vibrations.
本考案の一実施例を第１図および第２図に示
す。
An embodiment of the present invention is shown in FIGS. 1 and 2.
図において、自動車の床敷用の成形型１は所定
形状の多孔底板２Ａを有する型枠２と該型枠２に
挿入される上型３とからなり、該型枠２の多孔底
板２Ａの下方には蒸気ノズル４が挿着される。 In the figure, a mold 1 for automobile floor coverings consists of a mold 2 having a perforated bottom plate 2A of a predetermined shape and an upper mold 3 inserted into the mold 2, below the perforated bottom plate 2A of the mold 2. A steam nozzle 4 is inserted into.
下記の組成の混合物を調製する。 Prepare a mixture of the following composition.
チツプ−ウレタンポレポリマー混合物
ポリウレタン発泡体チツプ 50重量部
繊維層 15 〃
プラスチツク層 ５ 〃
ウレタンプレポリマー 30重量部
成形用混合物
上記チツプ−ウレタン混合物 65重量部
アスフアルト 35 〃
上記成形用混合物を成形型１の底板２Ａ上に敷
設した後、蒸気ノズル４から水蒸気を噴出して該
成形用混合物５Ａ中に含有されるウレタンプレポ
リマーは高分子化かつ三次元化することにより硬
化してチツプを結着する。得られた床敷５は型内
から取り出す。このようにして第２図に示すよう
な床敷５が得られる。Chip-urethane polypolymer mixture Polyurethane foam chip 50 parts by weight Fiber layer 15 〃 Plastic layer 5 〃 Urethane prepolymer 30 parts by weight Molding mixture Above chip-urethane mixture 65 parts by weight Asphalt 35 〃 The above molding mixture was placed in mold 1. After it is laid on the bottom plate 2A, steam is ejected from the steam nozzle 4 to make the urethane prepolymer contained in the molding mixture 5A polymerized and three-dimensional, thereby hardening and binding the chips. The obtained bedding 5 is taken out from the mold. In this way, a bedding 5 as shown in FIG. 2 is obtained.
第１図および第２図は本発明の一実施例を示す
ものであり、第１図は成形説明図、第２図は得ら
れた床敷の斜視図である。
図中、１……成形型、５……床敷、５Ａ……混
合物。
FIGS. 1 and 2 show one embodiment of the present invention, with FIG. 1 being an explanatory view of forming, and FIG. 2 being a perspective view of the obtained bedding. In the figure, 1...molding mold, 5...bedding, 5A...mixture.
Claims (1)
マーとの混合物を所定形状に成形しかつ蒸気加熱
することによりウレタンプレポリマーを硬化させ
たことを特徴とする制振吸音材。 A vibration-damping and sound-absorbing material characterized in that a mixture of chips, asphalt, and urethane prepolymer is molded into a predetermined shape and the urethane prepolymer is cured by steam heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19924086U JPH0518795Y2 (en) | 1986-12-29 | 1986-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19924086U JPH0518795Y2 (en) | 1986-12-29 | 1986-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63107498U JPS63107498U (en) | 1988-07-11 |
| JPH0518795Y2 true JPH0518795Y2 (en) | 1993-05-18 |
Family
ID=31160681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19924086U Expired - Lifetime JPH0518795Y2 (en) | 1986-12-29 | 1986-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0518795Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8623263B2 (en) * | 2009-08-05 | 2014-01-07 | Ocv Intellectual Capital, Llc | Process for curing a porous muffler preform |
-
1986
- 1986-12-29 JP JP19924086U patent/JPH0518795Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63107498U (en) | 1988-07-11 |
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