FIELD: textile industry, in particular, nonwoven materials used as warming and sound-isolating material in construction industry and automobile building.
SUBSTANCE: according to first version, nonwoven laminated material is made from mixture of hollow and continuous polyester filaments used in the weight ratio of from 3:7 to 7:3, respectively. Kraft-paper is placed between or outside layers of nonwoven material. All layers of material are connected with one another by needle stitching method. According to second version, nonwoven laminated material is made from mixture of hollow polyester filaments and flax filaments used in weight ratio of from 3:7 to 7:3, respectively. Kraft-paper is placed between or outside layers of nonwoven material. All layers are connected with one another by needle stitching method.
EFFECT: increased efficiency by providing predetermined variation of properties of material.
5 cl
| Title | Year | Author | Number |
|---|---|---|---|
| LAYERED HEAT-INSULATION MATERIAL (OPTIONS) | 2002 |
|
RU2236942C2 |
| LAMINATED HEAT-INSULATION MATERIALS (OPTIONS) | 2002 |
|
RU2237579C2 |
| NONWOVEN LAMINATED MATERIAL | 2003 |
|
RU2234563C1 |
| NONWOVEN LAMINATED MATERIAL | 2002 |
|
RU2231587C2 |
| SOUND ADSORBING MATERIAL | 2004 |
|
RU2358246C2 |
| NON-WOVEN LAMINAR COMPOSITE MATERIAL AND A METHOD OF ITS PRODUCTION | 2000 |
|
RU2238851C2 |
| METHOD FOR PRODUCING LAMINAR SOUND-ABSORBING COMPOSITE MATERIALS | 2015 |
|
RU2604839C2 |
| FIRE-RETARDANT MATERIAL | 2022 |
|
RU2810768C2 |
| NONWOVEN NEEDLED MATERIAL | 2007 |
|
RU2357028C2 |
| NON-WOVEN COMPOSITE LAMINATE | 2000 |
|
RU2248884C2 |
