IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0038694
(2011-03-02)
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등록번호 |
US-8623501
(2014-01-07)
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발명자
/ 주소 |
- Peretolchin, Maxim
- Scherr, Günter
- Weinkötz, Stephan
- Braun, Frank
- Kriha, Olaf
- Nehls, Benjamin
- Schmidt, Michael
- Finkenauer, Michael
- von Auenmüller, Jürgen
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출원인 / 주소 |
|
대리인 / 주소 |
Novak Druce Connolly Bove + Quigg LLP
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
20 |
초록
▼
A process for the production of a lignocellulose-containing material, in which, based in each case on the lignocellulose-containing material: A) from 30 to 95% by weight of lignocellulose particles;B) from 1 to 25% by weight of expanded plastic particles having a bulk density in the range from 10 to
A process for the production of a lignocellulose-containing material, in which, based in each case on the lignocellulose-containing material: A) from 30 to 95% by weight of lignocellulose particles;B) from 1 to 25% by weight of expanded plastic particles having a bulk density in the range from 10 to 150 kg/m3;C) from 1 to 50% by weight of a binder selected from the group consisting of aminoplast resin, phenol-formaldehyde resin and organic isocyanate having at least two isocyanate groups, and optionallyD) additives are mixed and are then pressed at elevated temperature and under elevated pressure, wherein the component B) comprises a formaldehyde scavenger.
대표청구항
▼
1. A process for the production of a lignocellulose-containing material comprising mixing the following components: A) from 30 to 95% by weight of lignocellulose particles;B) from 1 to 25% by weight of expanded plastic particles having a bulk density in the range from 10 to 150 kg/m3;C) from 1 to 50
1. A process for the production of a lignocellulose-containing material comprising mixing the following components: A) from 30 to 95% by weight of lignocellulose particles;B) from 1 to 25% by weight of expanded plastic particles having a bulk density in the range from 10 to 150 kg/m3;C) from 1 to 50% by weight of a binder selected from the group consisting of aminoplast resin, phenol-formaldehyde resin and organic isocyanate having at least two isocyanate groups, and optionallyD) additives,based in each case on the lignocellulose-containing material, to form a mixture, and pressing the mixture at elevated temperature and under elevated pressure, wherein component B) comprises a formaldehyde scavenger. 2. The process according to claim 1, the lignocellulose particles being wood particles. 3. The process according to 1, the component B) being selected from the group consisting of styrene homopolymer and styrene copolymer. 4. The process according to claim 1, the formaldehyde scavenger being selected from the group consisting of chemical compounds of any molecular weight, the chemical compounds comprising at least one N atom having at least one free electron pair, and sulfur-containing salts. 5. A process for the production of a multilayer lignocellulose material which comprises at least three layers, either only the middle layer or at least part of the middle layer comprising a lignocellulose-containing material as defined in claim 1 or, in addition to the middle layer or at least part of the middle layer, at least one further layer comprising the light lignocellulose-containing material, the components for the individual layers being placed in layers one on top of the other and being pressed at elevated temperature and under elevated pressure. 6. The process according to claim 5, at least one of the outer covering layers comprising expanded plastic particles B). 7. The process according to claim 1, at least one of the outer covering layers comprising no expanded plastic particles B). 8. A lignocellulose-containing material, obtainable by a process as defined in claim 1. 9. A multilayer lignocellulose material, obtainable by a process as defined in claim 5. 10. A method of preparing articles of all kinds in the construction sector comprising utilizing a lignocellulose-containing material according to claim 8. 11. A method of preparing an article comprising utilizing the lignocellulose-containing material according to claim 8, wherein the article is furniture, furniture parts, packaging materials, in house construction, in interior finishing or in motor vehicles. 12. Expanded plastic particles having a bulk density in the range from 10 to 150 kg/m3, comprising a formaldehyde scavenger. 13. A method of producing a lignocellulose-containing molding comprising utilizing an expanded plastic particle as defined in claim 12. 14. A method of preparing articles of all kinds in the construction sector comprising utilizing the multilayer lignocellulose material according to claim 9. 15. A method of preparing an article comprising utilizing the lignocellulose material according to claim 9, wherein the article is furniture, furniture parts, packaging materials, in house construction, in interior finishing or in motor vehicles. 16. The process according to claim 2, the component B) being selected from the group consisting of styrene homopolymer and styrene copolymer. 17. The process according to claim 2, the formaldehyde scavenger being selected from the group consisting of chemical compounds of any molecular weight, the chemical compounds comprising at least one N atom having at least one free electron pair, and sulfur-containing salts. 18. The process according to claim 3, the formaldehyde scavenger being selected from the group consisting of chemical compounds of any molecular weight, the chemical compounds comprising at least one N atom having at least one free electron pair, and sulfur-containing salts. 19. A process for the production of a multilayer lignocellulose material which comprises at least three layers, either only the middle layer or at least part of the middle layer comprising a lignocellulose-containing material as defined in claim 2 or, in addition to the middle layer or at least part of the middle layer, at least one further layer comprising the light lignocellulose-containing material, the components for the individual layers being placed in layers one on top of the other and being pressed at elevated temperature and under elevated pressure. 20. A process for the production of a multilayer lignocellulose material which comprises at least three layers, either only the middle layer or at least part of the middle layer comprising a lignocellulose-containing material as defined in claim 3 or, in addition to the middle layer or at least part of the middle layer, at least one further layer comprising the light lignocellulose-containing material, the components for the individual layers being placed in layers one on top of the other and being pressed at elevated temperature and under elevated pressure. 21. A process for the production of a lignocellulose-containing material comprising mixing the following components: A) from 30 to 95% by weight of lignocellulose particles;B) from 1 to 25% by weight of expanded plastic particles having a bulk density in the range from 10 to 150 kg/m3;C) from 1 to 50% by weight of a phenol-formaldehyde resin having at least two isocyanate groups, and optionallyD) additives,based in each case on the lignocellulose-containing material, to form a mixture, and pressing the mixture at elevated temperature and under elevated pressure, wherein component B) comprises a formaldehyde scavenger.
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