公开(公告)号：US20200308078A1

公开(公告)日：2020-10-01

申请号：US16369591

申请日：2019-03-29

Applicant: AUTOLIV ASP, INC.

Inventor： Ivan V. MENDENHALL ,  Gary K. LUND

IPC: C06B25/34 ,  C06D5/06 ,  C06B23/04 ,  C06B41/00

Abstract: A gas generant composition for an automotive inflatable restraint system is provided with a fuel having a thermally stable crystalline hydrate compound with a water release temperature of greater than or equal to about 140° C. The thermally stable crystalline hydrate compound serves as a ballistic modifier, which can serve to increase burn rate, reduce pressure sensitivity, reduce temperature sensitivity, and the like. The thermally stable crystalline hydrate compound may be selected from the group consisting of: a copper phthalate hydrate, copper pyromellitate dihydrate, copper fumarate dihydrate, copper (3-nitrophthalate) dihydrate, and combinations thereof.

公开(公告)号：US20200308079A1

公开(公告)日：2020-10-01

申请号：US16369609

申请日：2019-03-29

Applicant: AUTOLIV ASP, INC.

Inventor： Ivan V. MENDENHALL ,  Gary K. LUND ,  Jadd SHELTON

IPC: C06B41/00 ,  C06D5/06 ,  C06B23/04 ,  C06B33/10

Abstract: Cool burning hydrate fuels are provided for gas generant compositions for automotive inflatable restraint systems. The cool burning hydrate fuel is a compound comprising carbon, hydrogen, oxygen, a transition metal, and optionally nitrogen. The cool burning hydrate fuel is a transition metal salt of an organic compound or transition metal complex salt having (i) at least one functional group selected from the group consisting of: amide, imide, hydroxyl, carboxylic acid, and combinations thereof, (ii) an oxygen-to-carbon mole ratio of greater than or equal to about 0.5, (iii) at least one-half a water molecule of hydration, and (iv) an exothermic heat of formation of at least about −400 KJ/mole. The fuel may have a water release temperature of ≥about 140° C. The cool burning hydrate fuel may be one or more of copper cyanurate dihydrate, a copper melamine oxalate dihydrate, and a copper malonate hydrate.

公开(公告)号：US20240051895A1

公开(公告)日：2024-02-15

申请号：US17886536

申请日：2022-08-12

Applicant: Autoliv ASP, Inc.

Inventor： Ivan V. MENDENHALL ,  Jadd SHELTON

IPC: C06B25/34 ,  B60R21/264 ,  B60R21/231 ,  C06B29/16 ,  C06B41/00

CPC classification number: C06B25/34 ,  B60R21/264 ,  B60R21/23138 ,  C06B29/16 ,  C06B41/00 ,  B60R2021/26017

Abstract: A gas generant formulation for a side impact airbag that includes a primary fuel, a primary oxidizer, a secondary fuel, and a secondary oxidizer. The secondary fuel includes at least melamine nitrate in an amount that is in a range of about 1.00% by weight to about 10.00% by weight. The secondary oxidizer includes at least potassium perchlorate that is in an amount that is in a range of about 1.00% by weight to about 10.00% by weight. The formulation provides a burn rate that is at least 50 mm/sec at 40 MPa and a burn rate slope that is equal to or less than 0.40.

公开(公告)号：US20210061729A1

公开(公告)日：2021-03-04

申请号：US16555694

申请日：2019-08-29

Applicant: AUTOLIV ASP, INC.

Inventor： Gary K. LUND ,  Ivan V. MENDENHALL

IPC: C06B23/00 ,  C06B31/00 ,  C06B25/34

Abstract: A gas generant composition for an automotive inflatable restraint system includes one or more: fuels, such as guanidine nitrate; oxidizers, such as basic copper nitrate; and an alkaline earth zirconium oxide. The gas generant composition is substantially free of potassium perchlorate. The alkaline earth zirconium oxide may be barium zirconate (BaZrO3), calcium zirconate (CaZrO3), and/or strontium zirconate (SrZrO3). The alkaline earth zirconium oxide may be present at ≥about 0.1% by mass to ≤about 6% by mass of the gas generant composition. Such gas generants may be cool burning (e.g., a maximum flame temperature at combustion (Tc) of ≤about 1700K (1,427° C.)), have a linear burn rate of ≥about 20 mm per second at a pressure of about 21 MPa and a linear burn rate pressure exponent (n) of ≤about 0.35. Method of making such gas generants are also provided.

公开(公告)号：US20200308077A1

公开(公告)日：2020-10-01

申请号：US16369577

申请日：2019-03-29

Applicant: AUTOLIV ASP, INC.

Inventor： Ivan V. MENDENHALL ,  Gary K. LUND

IPC: C06B25/34 ,  C07D251/54 ,  C07C55/07 ,  C06B43/00 ,  C06B41/00

Abstract: A gas generant composition for passive inflatable restraint systems (e.g., airbags) for automobiles is provided that comprises a melamine oxalate compound. The gas generant may be a cool burning gas generant composition that comprises a melamine oxalate compound, a co-fuel, such as guanidine nitrate, and an oxidizer, such as basic copper nitrate. The gas generant composition has advantageous combustion properties, including a maximum flame temperature at combustion (Tc) of ≤about 1700 K (1,427° C.), a linear burn rate of ≥about 18 mm per second at a pressure of about 10 megapascals (MPa), a gas yield of the gas generant composition of ≥about 5.7 moles/100 cm3, and a linear burn rate pressure exponent of ≤about 0.35.

公开(公告)号：US20200207681A1

公开(公告)日：2020-07-02

申请号：US16725744

申请日：2019-12-23

Applicant: AUTOLIV ASP, INC.

Inventor： Ivan V. MENDENHALL ,  Bradley W. SMITH

IPC: C06B23/00 ,  C06B23/04 ,  C06D5/06

Abstract: Gas generants comprising copper are provided that have improved slagging ability. In certain aspects, the gas generants include a fuel, an oxidizer comprising basic copper nitrate, and a large particle size endothermic slag-forming component, such as aluminum hydroxide (Al(OH)3). The gas generants may be cool burning, e.g., having a maximum flame temperature at combustion (Tc)≤about 1,900K (1,627° C.). The disclosure also provides methods of enhancing slag formation for a gas generant composition that comprises copper. Such methods enhance slag formation during combustion of the gas generant composition by at least 50%.

公开(公告)号：US20230286881A1

公开(公告)日：2023-09-14

申请号：US17692319

申请日：2022-03-11

Applicant: Autoliv ASP, Inc.

Inventor： Gary K. LUND ,  Ivan V. MENDENHALL ,  Douglas R. TINGEY ,  Matthew Robert RESCHKE

IPC: C06B31/08

CPC classification number: C06B31/08

Abstract: Pyrotechnic compositions are provided herein. The pyrotechnic composition includes potassium nitrate (KNO3), potassium perchlorate (KClO4), an inorganic fuel including boron, an organic fuel including one or more of carbon, hydrogen, and oxygen, and one or more binders. The pyrotechnic composition may have one or more of: a heat of explosion (HEX) of greater than or equal to about 5.000 J/g, a maximum flame temperature at combustion (Tc) of greater than or equal to about 2,500 K (2,227° C.), and a gas yield of greater than or equal to about 15 moles/kg. Methods of preparing the pyrotechnic composition are also provided including wet granulation methods.

公开(公告)号：US20210061218A1

公开(公告)日：2021-03-04

申请号：US16555709

申请日：2019-08-29

Applicant: AUTOLIV ASP, INC.

Inventor： Ivan V. MENDENHALL ,  Gary K. LUND ,  Steven M. CANNON

IPC: B60R21/264 ,  C06D5/06 ,  B60R21/239 ,  B60R21/261 ,  C06B31/00

Abstract: Cool burning gas generant compositions for an automotive inflatable restraint system are provided that include a bismuth-containing compound selected from the group consisting of: bismuth citrate, bismuth subsalicylate, bismuth hydroxide, copper bismuth hydroxy nitrate, bismuth subcarbonate, bismuth suboxalate, and combinations thereof. The gas generant comprises at least one copper-containing component. The gas generant includes at least one oxidizer, fuel, and optional coolant. The maximum flame temperature at combustion (Tc) of less than or equal to about 1700K (1,427° C.). The cool burning gas generant composition generates liquid phase combustion products making it suitable for use in a filterless inflatable restraint system. Copper and bismuth present in the cool burning gas generant composition react to form an alloy having a melting point at or near the maximum flame temperature at combustion (Tc).