公开(公告)号：US4506040A

公开(公告)日：1985-03-19

申请号：US518880

申请日：1983-08-01

申请人： Maurice C. Raes ,  Oliver J. Proulx

发明人： Maurice C. Raes ,  Oliver J. Proulx

IPC分类号： C08G18/08 ,  C08G18/40 ,  C08G18/72 ,  C08G18/30 ,  C08G18/14 ,  C08G18/64 ,  C08G18/76

CPC分类号： C08G18/409 ,  C08G18/0871 ,  C08G18/727

摘要： A stable dispersion is prepared by first forming a dispersion of a polymer derived from TDI residue in an organic solvent, adding a high molecular weight polyol and then removing the solvent to produce a dispersion of the polymer in the high molecular weight polyol. In forming the dispersion in the solvent, TDI residue is reacted with an active hydrogen containing compound selected from the group consisting of an amine compound, a short-chain polyol and mixtures thereof. The stable dispersion is used in preparing a wide variety of polyurethane products, such as foams and elastomers.

摘要翻译： 通过首先在有机溶剂中形成衍生自TDI残基的聚合物的分散体，加入高分子量多元醇，然后除去溶剂以产生聚合物在高分子量多元醇中的分散体来制备稳定的分散体。 在形成溶剂中的分散体时，TDI残基与选自胺化合物，短链多元醇及其混合物的活性氢化合物反应。 稳定的分散体用于制备各种聚氨酯产品，如泡沫和弹性体。

公开(公告)号：US4344902A

公开(公告)日：1982-08-17

申请号：US90201

申请日：1979-11-01

申请人： Alan H. Milford ,  Oliver J. Proulx

发明人： Alan H. Milford ,  Oliver J. Proulx

IPC分类号： B29C44/56 ,  B29D27/04

CPC分类号： B29C44/5627 ,  B29L2007/00

摘要： An improvement in the manufacture of flexible densified polyurethane foam wherein the partially cured freely risen foam is fed through a crush conveyor to minimize the density gradient throughout the vertical cross section. The crush conveyor includes an upper crushing section which is arcuate and has a radius of a dimension such that the ratio of the radius of the arc to height of the partially cured freely risen foam is 1.1 to 1 or greater. The crush conveyor has a bottom crushing section which may be arcuate with a radius of a dimension such that the ratio of its radius to the height of the partially cured freely risen foam is also 1.1 to 1 or greater. The radius of the bottom arcuate crushing section may be the same or larger than the radius of the top arc. As an alternative, the bottom crushing section may be planar and may be horizontal, or inclined with respect to the horizontal.

摘要翻译： 柔性致密聚氨酯泡沫的制造改进，其中部分固化的自由升起的泡沫通过挤压输送机进料，以使整个垂直横截面的密度梯度最小化。 挤压输送机包括上部破碎部分，该上部破碎部分是弧形的并且具有使得部分固化的自由升起的泡沫体的电弧半径与高度之比为1.1比1或更大的尺寸的半径。 挤压输送机具有底部破碎部分，其可以是半径为半径的弧形，使得其半径与部分固化的自由升高的泡沫的高度的比率也为1.1比1以上。 底部弧形破碎部的半径可以与顶部弧的半径相同或更大。 作为替代方案，底部破碎部分可以是平面的并且可以是水平的或相对于水平面倾斜。

公开(公告)号：US4338072A

公开(公告)日：1982-07-06

申请号：US90200

申请日：1979-11-01

申请人： Alan H. Milford ,  Oliver J. Proulx

发明人： Alan H. Milford ,  Oliver J. Proulx

IPC分类号： B29C44/56 ,  B29D27/04

CPC分类号： B29C44/5627 ,  B29L2007/00 ,  Y10S264/04

摘要： An improvement in the manufacture of flexible densified polyurethane foam wherein the partially cured freely risen foam is fed through a crush conveyor to minimize the density gradient throughout the vertical cross section. The crush conveyor includes an upper crushing section which is arcuate and has a radius of a dimension such that the ratio of the radius of the arc to height of the partially cured freely risen foam is 1.1 to 1 or greater. The crush conveyor has a bottom crushing section which may be arcuate with a radius of a dimension such that the ratio of its radius to the height of the partially cured freely risen foam is also 1.1 to 1 or greater. The radius of the bottom arcuate crushing section may be the same or larger than the radius of the top arc. As an alternative, the bottom crushing section may be planar and may be horizontal, or inclined with respect to the horizontal.

摘要翻译： 柔性致密聚氨酯泡沫的制造改进，其中部分固化的自由升起的泡沫通过挤压输送机进料，以使整个垂直横截面的密度梯度最小化。 挤压输送机包括上部破碎部分，该上部破碎部分是弧形的并且具有使得部分固化的自由升起的泡沫体的电弧半径与高度之比为1.1比1或更大的尺寸的半径。 挤压输送机具有底部破碎部分，其可以是半径为半径的弧形，使得其半径与部分固化的自由升高的泡沫的高度的比率也为1.1比1以上。 底部弧形破碎部的半径可以与顶部弧的半径相同或更大。 作为替代方案，底部破碎部分可以是平面的并且可以是水平的或相对于水平面倾斜。

公开(公告)号：US4252517A

公开(公告)日：1981-02-24

申请号：US932246

申请日：1978-08-09

申请人： Alan H. Milford ,  Oliver J. Proulx

发明人： Alan H. Milford ,  Oliver J. Proulx

IPC分类号： B29C44/56 ,  B29D27/04

CPC分类号： B29C44/5627 ,  B29L2007/00

摘要： An improvement in the manufacture of flexible densified polyurethane foam wherein the partially cured freely risen foam is fed through a crush conveyor to minimize the density gradient throughout the vertical cross section. The crush conveyor includes an upper crushing section which is arcuate and has a radius of a dimension such that the ratio of the radius of the arc to height of the partially cured freely risen foam is 1.1 to 1 or greater. The crush conveyor has a bottom crushing section which may be arcuate with a radius of a dimension such that the ratio of its radius to the height of the partially cured freely risen foam is also 1.1 to 1 or greater. The radius of the bottom arcuate crushing section may be the same or larger than the radius of the top arc. As an alternative, the bottom crushing section may be planar and may be horizontal, or inclined with respect to the horizontal.

摘要翻译： 柔性致密聚氨酯泡沫的制造改进，其中部分固化的自由升起的泡沫通过挤压输送机进料，以使整个垂直横截面的密度梯度最小化。 挤压输送机包括上部破碎部分，该上部破碎部分是弧形的并且具有使得部分固化的自由升起的泡沫体的电弧半径与高度之比为1.1比1或更大的尺寸的半径。 挤压输送机具有底部破碎部分，其可以是半径为半径的弧形，使得其半径与部分固化的自由升高的泡沫的高度的比率也为1.1比1以上。 底部弧形破碎部的半径可以与顶部弧的半径相同或更大。 作为替代方案，底部破碎部分可以是平面的并且可以是水平的或相对于水平面倾斜。

公开(公告)号：US4134945A

公开(公告)日：1979-01-16

申请号：US738262

申请日：1976-11-02

申请人： Alan H. Milford ,  Oliver J. Proulx

发明人： Alan H. Milford ,  Oliver J. Proulx

IPC分类号： B29B7/00 ,  B29C39/00 ,  B29C39/16 ,  B29C39/44 ,  B29C43/26 ,  B29C44/56 ,  B29K75/00 ,  B29C15/00 ,  B29D27/00

CPC分类号： B29C44/5627

摘要： An improvement in the manufacture of flexible densified polyurethane foam wherein the partially cured freely risen foam is fed through a crush conveyor to minimize the density gradient throughout the vertical cross section. The crush conveyor includes an upper crushing section which is arcuate and has a radius of a dimension such that the ratio of the radius of the arc to height of the partially cured freely risen foam is 1.1 to 1 or greater. The crush conveyor has a bottom crushing section which may be arcurate with a radius of a dimension such that the ratio of its radius to the height of the partially cured freely risen foam is also 1.1 to 1 or greater. The radius of the bottom arcuate crushing section may be the same or larger than the radius of the top arc. As an alternative, the bottom crushing section may be planar and may be horizontal, or inclined with respect to the horizontal.

摘要翻译： 柔性致密聚氨酯泡沫的制造改进，其中部分固化的自由升起的泡沫通过挤压输送机进料，以使整个垂直横截面的密度梯度最小化。 挤压输送机包括上部破碎部分，该上部破碎部分是弧形的并且具有使得部分固化的自由升起的泡沫体的电弧半径与高度之比为1.1比1或更大的尺寸的半径。 挤压输送机具有底部破碎部分，其可以具有半径的尺寸，使得其半径与部分固化的自由起泡泡沫的高度之比也为1.1比1或更大。 底部弧形破碎部的半径可以与顶部弧的半径相同或更大。 作为替代方案，底部破碎部分可以是平面的并且可以是水平的或相对于水平面倾斜。